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Beardlip penstemon
Beardlip penstemon
Beardlip penstemon
Beardlip penstemon
Beardlip penstemon
Beardlip penstemon
Beardlip penstemon
Penstemon barbatus
Also known as : Golden-beard penstemon, Red beardtongue, St. joseph's staff
Hardiness Zones
Hardiness Zones
3 to 9
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care guide

Care Guide for Beardlip penstemon

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Watering Care
Watering Care
Details on Watering Care Watering Care
Fertilizing Care
Fertilizing Care
Details on Fertilizing Care Fertilizing Care
Pruning
Pruning
Trim the diseased, withered leaves once a month.
Details on Pruning Pruning
Soil Care
Soil Care
Sand, Chalky, Acidic, Neutral, Alkaline
Details on Soil Care Soil Care
Repotting
Repotting
Needs excellent drainage in pots.
Details on Repotting Repotting
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Beardlip penstemon
Water
Water
Every week
Hardiness Zones
Hardiness Zones
3 to 9
Planting Time
Planting Time
Spring
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Questions About Beardlip penstemon

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Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
What is the best way to water my Beardlip penstemon?
When watering the Beardlip penstemon, you should aim to use filtered water that is at room temperature. Filtered water is better for this plant, as tap water can contain particles that are harmful to its health. The reason that the water should be at room temperature or slightly warmer is that the Beardlip penstemon comes from a warm environment, and cold water can be somewhat of a shock to its system. Also, you should avoid overhead watering for this plant, as it can cause foliage complications. Instead, simply apply your filtered room temperature water to the soil until the soil is entirely soaked. Soaking the soil can be very beneficial for this plant as it moistens the roots and helps them continue to spread through the soil and collect the nutrients they need.
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What should I do if I water my Beardlip penstemon too much or too little?
Both overwatering and underwatering will be detrimental to the health of your Beardlip penstemon, but overwatering is a far more common issue. When this species receives too much water, its stems and leaves may begin to wilt and turn from green to yellow. Overwatering over a prolonged period may also lead to diseases such as root rot, mold, and mildew, all of which can kill your plant. Underwatering is far less common for the Beardlip penstemon, as this plant has decent drought tolerance. However, underwatering remains a possibility, and when it occurs, you can expect to find that the leaves of your Beardlip penstemon have become brittle and brown. It is crucial that you notice the signs of overwatering as soon as possible when caring for your Beardlip penstemon. Some of the diseases that arise from overwatering, such as root rot, may not be correctable if you wait too long. If you see early signs of overwatering, you should reduce your watering schedule immediately. You may also want to assess the quality of soil in which your Beardlip penstemon grows. If you find that the soil drains very poorly, you should replace it immediately with a loose, well-draining potting mix. On the other hand, if you find signs that your Beardlip penstemon is receiving too little water, all you need to do is water more regularly until those signs have subsided.
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How often should I water my Beardlip penstemon?
If your plant is in a pot. The most precise way to decide whether your Beardlip penstemon needs water is to plunge your finger into the soil. If you notice that the first two to three inches of soil have become dry, it is time to add some water. If you grow your Beardlip penstemon outdoors in the ground, you can use a similar method to test the soil. Again, when you find that the first few inches of soil have dried out, it is time to add water. During the spring and early fall, this method will often lead you to water this plant about once every week. When extremely hot weather arrives, you may need to increase your watering frequency to about twice or more per week. With that said, mature, well-established the Beardlip penstemon can show an admirable ability to withstand drought.
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How much water does my Beardlip penstemon need?
When it comes time to water your Beardlip penstemon, you should not be shy about how much water you give. With the first two to three inches of soil dry, this plant will appreciate a long and thorough watering. Supply enough water to soak the soil entirely. The amount of water you add should be enough to cause excess water to flow through the drainage holes at the bottom of your pot. If you don’t see excess water draining from the pot, you have likely underwatered your plant. But do not let the water accumulate inside the soil, which will be very dangerous to the plant as well. Alternatively, a lack of water draining through the pot could indicate poorly draining soils, which is detrimental to the health of this plant and should be avoided. If the plant is outside, 1 inch of rain per week will be sufficient.
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How should I water my Beardlip penstemon at different growth stages?
The water needs of the Beardlip penstemon can change depending on growth stages as well. For example, when your Beardlip penstemon is in the first few years of its life, or if you have just transplanted it to a new growing location, you will need to give more water than usual. During both of those stages, your Beardlip penstemon will put a lot of energy towards sprouting new roots that will then support future growth. For those roots to perform their best, they need a bit more moisture than they would at a more mature phase. After a few seasons, your Beardlip penstemon will need much less water. Another growth stage in which this plant may need more water is during the bloom period. Flower development can make use of a significant amount of moisture, which is why you might need to give your Beardlip penstemon more water at this time.
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How should I water my Beardlip penstemon through the seasons?
The Beardlip penstemon will have its highest water needs during the hottest months of the year. During the height of summer, you may need to give this plant water more than once per week, depending on how fast the soil dries out. The opposite is true during the winter. In winter, your plant will enter a dormant phase, in which it will need far less water than usual. In fact, you may not need to water this plant at all during the winter months. However, if you do water during winter, you should not do so more than about once per month. Watering too much at this time will make it more likely that your Beardlip penstemon will contract a disease.
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What's the difference between watering my Beardlip penstemon indoors and outdoors?
It is most common to grow the Beardlip penstemon indoors for any gardener that does not live in temperate and tropical regions. Those gardeners should consider the fact that soil in a container can dry out a bit faster than ground soil. Also, the presence of drying elements such as air conditioning units can cause your Beardlip penstemon to need water on a more frequent basis as well. if you planted it outside. When that is the case, it’s likely you won’t need to water your Beardlip penstemon very much at all. If you receive rainfall on a regular basis, that may be enough to keep your plant alive. Alternatively, those who grow this plant inside will need to water it more often, as allowing rainwater to soak the soil will not be an option.
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Key Facts About Beardlip penstemon

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Attributes of Beardlip penstemon

Lifespan
Perennial
Plant Type
Herb
Planting Time
Spring
Bloom Time
Late spring, Summer, Early fall, Mid fall
Harvest Time
Fall
Plant Height
30 cm to 1 m
Spread
22 cm to 30 cm
Leaf Color
Green
Flower Size
2.5 cm
Flower Color
Red
Stem Color
Green
Red
Dormancy
Winter dormancy
Leaf type
Semi-evergreen
Ideal Temperature
0 - 35 ℃
Pollinators
Bees, Hummingbirds
Benefits to Pollinating Insects
Adult food, Larval food

Symbolism

Usages

Garden Use

Scientific Classification of Beardlip penstemon

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pests

Common Pests & Diseases About Beardlip penstemon

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Common issues for Beardlip penstemon based on 10 million real cases
Leaf blight
Leaf blight is a destructive disease that significantly impacts the growth and health of Beardlip penstemon. This fungal disease causes deteriorating foliage, inhibiting the plant's ability to photosynthesize and ultimately reducing its vigor and flowering potential.
Flower withering
Flower withering Flower withering
Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Solutions: If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible. For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface. In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well. If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
Wilting after blooming
Wilting after blooming Wilting after blooming
Wilting after blooming
Flowers may wither for a variety of reasons.
Solutions: Check the soil or potting medium. Coarse textures can allow water to drain too rapidly, preventing the plant from taking up enough. If the soil and roots seem very dry, add sphagnum moss or other mediums that hold water. Water according to recommendations for each plant's species. Low humidity can be corrected by misting the plant regularly or placing it near a humidifier. Keeping it near other plants helps, too. Keep the environment consistent in terms of temperature, humidity, and lighting. Keep it away from vents, heaters, and air conditioners, and avoid moving it to locations where it will experience a temperature shock. Hot, dry heat, and cold drafts are problematic for many plants. Especially if the plant is outside, it could be experiencing heat or light stress. Try moving it to a shadier location.
Brown spot
Brown spot Brown spot
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Plant dried up
Plant dried up Plant dried up
Plant dried up
The entire plant may dry out due to dieback or normal seasonal dormancy.
Solutions: The solution for a dried out plant depends on the cause, so determine the cause before selecting a treatment method. Adjust your watering: Stick your finger in the soil near the roots. If it feels bone dry or overly saturated, you need to adjust your watering frequency accordingly. Prune back dead foliage: Snip off any brown stems and leaves on the plant to make space for new growth. This encourages the roots to send up fresh stems. Move to a proper environment. This may involve decreasing or increasing sun exposure, depending on the species. Decrease fertilizer applications. If you have applied too much fertilizer, you can repot plants with fresh potting soil. Wait. If your plant has dried out as daylight is decreasing, it is entering dormancy. Decrease watering and wait until the plant resumes growth.
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Leaf blight
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Leaf blight Disease on Beardlip penstemon?
What is Leaf blight Disease on Beardlip penstemon?
Leaf blight is a destructive disease that significantly impacts the growth and health of Beardlip penstemon. This fungal disease causes deteriorating foliage, inhibiting the plant's ability to photosynthesize and ultimately reducing its vigor and flowering potential.
Symptom Analysis
Symptom Analysis
Signs of leaf blight on Beardlip penstemon include yellow-brown spots on its leaves that gradually enlarge and darken. Subsequently, the infected leaves wither and drop prematurely, leading to sparse and unhealthy plants.
What Causes Leaf blight Disease on Beardlip penstemon?
What Causes Leaf blight Disease on Beardlip penstemon?
1
Pathogen
Alternaria species are the primary fungi causing leaf blight. These fungi thrive in humid conditions and can quickly spread, infecting Beardlip penstemon and other plants in close proximity.
How to Treat Leaf blight Disease on Beardlip penstemon?
How to Treat Leaf blight Disease on Beardlip penstemon?
1
Non pesticide
Proper irrigation: Overhead watering can spread the fungus. It's better to use a watering method that doesn't wet the Beardlip penstemon's foliage, such as soaker hoses or drip irrigation.

Plant hygiene: Regularly remove and dispose of dead or infected leaves from Beardlip penstemon and around its growing area. This reduces the chance of further fungal spread.
2
Pesticide
Fungicide application: Apply an appropriate fungicide specific for leaf blight, ensuring to cover all parts of Beardlip penstemon. Repeat applications may be required based on the product directions.
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Flower withering
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Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Overview
Overview
Flower withering occurs when flowers become weak, droopy, wilted, or faded until they can’t be revived. During withering, they begin to wrinkle and shrink until the flower becomes completely dry or dead.
Any flowers, regardless of the plant type or the climate they are grown in, are susceptible to withering. It is a worldwide problem across houseplants, herbs, flowering ornamentals, trees, shrubs, garden vegetables, and food crops.
Unlike wilting—which withering is often confused with—withering can be caused by different things and is often due to more than a lack of water. Withering can be fatal in severe cases.
Symptom Analysis
Symptom Analysis
Flower withering progresses from very mild cases to severe occurrences that kill the flower. The severity of the symptoms is related to the cause and how long the condition is allowed to progress before action is taken.
  • Wilted, droopy flowers
  • Petals and leaves begin to wrinkle
  • Brown papery streaks or spots appear on the petals and leaf tips
  • Flowerhead shrink in size
  • Petal color fades
  • Yellowing leaves
  • Complete death of the flower
Disease Cause
Disease Cause
The main causes of flower withering include natural age progress, lack of water, nutritional deficiencies, and bacterial or fungal diseases. It’s critical to determine the underlying cause when flower withering is noticed. This will guide the best course of action, if treatment is possible.
Check the soil for moisture and then closely examine the entire plant for signs of nutrient deficiencies. If neither of those appears to be the cause then cut open the stem below a flower. If a cross-section reveals brown or rust-colored stains it is safe to assume that this is a bacterial or fungal infection.
If the flower is nearing the end of its normal lifespan, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence, or cell aging and death. Cell division stops and the plant begins breaking down resources within the flower to use in other parts of the plant.
In all other cases, flower withering happens when the plant seals off the stem as a defense mechanism, stopping transport within the vascular system. This prevents further water loss through the flowers but also stops bacteria and fungi from moving to healthy parts of the plant. Once water and nutrient transport stops, the flower begins to wither and ultimately die.
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Wilting after blooming
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Wilting after blooming
Flowers may wither for a variety of reasons.
Overview
Overview
Wilting after blooming is sometimes a natural aging process of the flower, while other times it may indicate a problem. Orchids, for example, can bloom for anywhere from two weeks to three months, so wilting after a few days signals a problem for most varieties. This can happen to virtually any ornamental flowering plant, but those with shallow roots and limited tolerance for drought, full sun, and low humidity are more susceptible.
This is a common problem, and often has an easy fix. Sometimes, however, it is the result of more serious causes such as pests or disease of the root system.
Symptom Analysis
Symptom Analysis
  • At first, flowers may look a little limp.
  • Petals may start to appear dried out and turn brown.
  • Eventually they may drop off the plant all together.
Disease Cause
Disease Cause
Wilting blooms can be a sign of an unhealthy root system. Any condition that prevents the plant from absorbing enough water and nutrition can result in wilting blooms and sometimes other symptoms. If the plant doesn’t have enough water, it cannot maintain appropriate pressure within stems, leaves, and blooms, causing them to wilt.
This can result from physical damage – for example from root breakage during re-potting or attack by insects like cutworms. If you recently re-potted your plant, physical damage to the roots is a likely cause. If you see insects, they may be eating leaves, roots, or flowers. Fungal infections can also cause root rot and damage, preventing water and nutrient uptake.
Finally, wilting blooms can result simply from age. If no other symptoms are visible, it may simply signal the natural end of the flower’s lifespan. If it seems premature, this may be caused by environmental factors: water, humidity, light, or stress. Under-watering is a common cause. Similarly, plants adapted to high humidity dry out easily when humidity is low, like during winter or in dry climates. Too much light can also stress plants that need shade, causing blooms to wilt.
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Brown spot
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Brown spot
This infection can cause brown spots or patches to appear on the plant.
Overview
Overview
Discolored spots on the foliage of plants are one of the most common disease problems people observe. These spots are caused by fungal and bacterial diseases, with most infections related to a fungal pathogen.
Brown spot can occurs on all houseplants, flowering ornamentals, vegetable plants, and leaves of trees, bushes, and shrubs. No plants are resistant to it, and the problem is worse in warm, wet environments. It can occur at any point in the life stage as long as leaves are present.
Small brownish spots appear on the foliage and enlarge as the disease progresses. In severe cases, the plant or tree is weakened when the lesions interrupt photosynthesis or cause defoliation.
Symptom Analysis
Symptom Analysis
In most cases, brown spot only affects a small percentage of the whole plant, appearing on a small amount of the leaves. A small infection only puts minor stress on the plant. However, if left untreated and the disease progresses over numerous seasons, it will severely impact the health and productivity of the infected specimen.
  • Sporulation begins (reproduction of the fungal spores), and tiny spots appear on leaves.
  • Placement is often random and scattered as diseases are spread through raindrops.
  • May appear on lower leaves and the interior of the plant where humidity is higher.
  • Brown spots enlarge and grow large enough to touch neighboring spots to form a more prominent blotch.
  • Leaf margins may turn yellow.
  • Tiny black dots (fruiting bodies of the fungi) appear in the dead spots.
  • Blotches grow in size until the entire leaf is brown.
  • The leaf falls off the plant.
Severe Symptoms
  • Partial or complete premature defoliation
  • Reduced growth
  • Increased susceptibility to pests and other diseases
Disease Cause
Disease Cause
Brown spot, or leaf spot, is a common descriptive term given to several diseases affecting the leaves of plants and trees. Around 85% of diseases exhibiting leaf spots are due to fungus or fungus-like organisms. Sometimes brown spot is caused by a bacterial infection, or insect activity with similar symptoms.
When conditions are warm and the leaf surfaces are wet, fungal spores being transported by wind or rain land on the surface and cling to it. They do not rupture the cell walls but grow in the space between the plant plasma membrane and the plant cell wall. As the spores reproduce, they release toxins and enzymes that cause necrotic spots (i.e., dead tissue) on the leaves, allowing the fungi to consume the products released when the cells degrade.
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Plant dried up
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Plant dried up
The entire plant may dry out due to dieback or normal seasonal dormancy.
Symptom Analysis
Symptom Analysis
Your plant has dried out and turned brown. It might be starting to wilt, with no noticeable green around the stems and leaves. Touch the leaves, and they may crinkle under your fingers.
Possible causes of a dried out plant include:
  1. Not enough water. A lack of water will lead to dry plant tissue.
  2. Too much water. Watering too much can lead to root rot which makes the plant struggle to take up water. Rotted, mushy roots are a sign of overeating.
  3. Entering dormancy. As perennial plants enter their resting period known as dormancy, their leaves dry out and may fall off. This happens during decreasing day length.
  4. Exposure to herbicides and other toxic substances. If a plant is hit with a large dose herbicide or other toxic chemical, the plant will turn brown.
  5. Too much fertility. An excess of fertilizer can prevent plants from taking up water, leading to drying.
  6. Improper sun exposure. Just like humans, plants can get sunburn by intense, direct light. Plants can also dry out if they don’t receive enough light.
To determine whether the plant is still alive and can be saved, you can:
  1. Bend a stem. If the stem is pliable, the plant is still alive. If the stem breaks, the plant is dead.
  2. Gently scratch the stem with your fingernail for signs of green inside. If your plant is dead, the stem will be brittle and brown throughout.
  3. Cut the stems back a little bit a time for visible green growth. If none of the stems have visible green growth, the plant is dead.
Solutions
Solutions
The solution for a dried out plant depends on the cause, so determine the cause before selecting a treatment method.
  1. Adjust your watering: Stick your finger in the soil near the roots. If it feels bone dry or overly saturated, you need to adjust your watering frequency accordingly.
  2. Prune back dead foliage: Snip off any brown stems and leaves on the plant to make space for new growth. This encourages the roots to send up fresh stems.
  3. Move to a proper environment. This may involve decreasing or increasing sun exposure, depending on the species.
  4. Decrease fertilizer applications. If you have applied too much fertilizer, you can repot plants with fresh potting soil.
  5. Wait. If your plant has dried out as daylight is decreasing, it is entering dormancy. Decrease watering and wait until the plant resumes growth.
Prevention
Prevention
Prevention involves providing your plant with the proper environment.
  1. Provide the proper amount of water. The amount of water depends on a plant’s size, species, and environment. A general rule is to allow soil to dry out between waterings.
  2. Place plants in the proper environment. Provide the proper hours of sun and temperature for your individual plant.
  3. Provide proper fertility. Most plants only need to be fertilized once or twice a year; don’t overapply.
  4. Keep plants free from toxic substances. Keep herbicides and toxic household chemicals away from your plants.
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Distribution of Beardlip penstemon

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Habitat of Beardlip penstemon

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Northern Hemisphere
South Hemisphere

Distribution Map of Beardlip penstemon

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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More Info on Beardlip Penstemon Growth and Care

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Basic Care Guide
Common Pests & Diseases
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Lighting
Full sun
Beardlip penstemon favors a generous incorporation of sunlight, adding to the robust health of the plant. Originating from sun-drenched environments, it can, to some extent, adapt to areas with comparatively less sunlight. However, excessive shade or overexposure could potentially dampen its growth.
Best Sunlight Practices
Transplant
12-18 inches
The best time to transplant beardlip penstemon is early summer to mid-summer or mid-fall to late fall, as the mild conditions promote healthy root growth. Choose a sunny to partially shaded location with well-draining soil. Gently loosen roots before planting to ensure a successful transplant. Happy gardening!
Transplant Techniques
Temperature
-30 - 38 ℃
Beardlip penstemon thrives in temperate regions and prefers a moderate temperature range of 32 to 95℉ (0 to 35℃). During colder seasons, it is recommended to keep the plant in an area with a temperature above freezing. In hotter months, providing afternoon shade can prevent the plant from drying out or getting too hot.
Temp for Healthy Growth
Pruning
Spring, Summer, Autumn
This perennial, recognized for its colorful tubular blooms and stature, thrives with strategic pruning. Deadhead beardlip penstemon regularly to encourage longer bloom periods. Post-blooming, cut back the stems to the ground to stimulate new growth. Early spring through late fall is ideal for pruning, aligning with beardlip penstemon's active growth phases. Pruning prevents legginess, promotes bushiness, and enhances flowering, vital for maintaining plant vigor and aesthetic appeal.
Pruning techniques
Propagation
Spring, Summer
The propagation habit of beardlip penstemon is best achieved through cuttings during the warmer months of spring and summer. This plant presents moderate difficulty in propagation, with successful signs including new growth and root development. Keep the cuttings consistently moist for optimal success.
Propagation Techniques
Pollination
Normal
Beardlip penstemon employs enticing pollinator attractants - vibrant colors and abundant nectar - to draw in its primary pollinators, bees and hummingbirds. This clever strategy, working in sync with its tubular blossoms' structure, encourages a certain transferring method, aiding the pollination process. Generally, pollination unfolds during the day, peaking in warmer daylight hours when these pollinators are most active.
Pollination Techniques
Leaf blight
Leaf blight is a destructive disease that significantly impacts the growth and health of Beardlip penstemon. This fungal disease causes deteriorating foliage, inhibiting the plant's ability to photosynthesize and ultimately reducing its vigor and flowering potential.
Read More
Underwatering dry
Underwatering is a condition that results from insufficient water supply, affecting the Beardlip penstemon's growth and survival, leading to reduced flowering, wilting of leaves, and overall reduced plant vigor. The condition is non-infectious and mainly prevalent in areas with low rainfall or improper irrigation methods.
Read More
Powdery mildew
Powdery mildew is a fungal disease that affects Beardlip penstemon, causing a white to grayish powdery growth on the plant's leaves and stems. It can impact the overall health and growth of the plant, potentially reducing its lifespan.
Read More
Wilting
Wilting is a common plant disease causing Beardlip penstemon to show symptoms of weakness and droopiness. The disease primarily affects the plant's vascular system, hindering water and nutrient transport, thus making the plant weak and often leading to death.
Read More
Brown blotch
Brown spot is a fungal disease that impacts the health and aesthetic appearance of the Beardlip penstemon. The disease leads to necrotic lesions and reduction in photosynthetic capability which impairs Beardlip penstemon's growth and survival.
Read More
Leaf wilting
Leaf wilting in Beardlip penstemon is a common plant disorder, characterized by the loss of firmness in plant tissues that leads to drooping or wilting of plant parts. It severely impacts growth, fruit production, and overall plant health.
Read More
Yellow edges
Yellow edges is a disease affecting Beardlip penstemon, causing premature yellowing and wilting of the leaf edges. It impedes plant growth and may even result in death of the plant if left untreated. The disease is caused by nutrient deficiencies, specifically a lack of iron or nitrogen.
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Dark blotch
Dark blotch is a fungal disease affecting Beardlip penstemon plants, resulting in brown or blackish spots on leaves, leading to wilting. The disease can impact growth, reduce flowering, and in severe cases, can cause plant death.
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Leaf rot
Leaf rot is a troublesome disease that severely impacts the growth, appearance, and health of Beardlip penstemon. The fungal infection results in discoloration, wilting of leaves, and if untreated, can lead to the plant's premature death. Prevention and suitable treatment are key.
Read More
Plant dried up
Plant dried up' is a common disease that affects the vigor of Beardlip penstemon, resulting in wilted and dry appearance. The disease severely affects plant's health and productivity, leading to widespread damage if untreated.
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Feng shui direction
South
The beardlip penstemon can be a compelling addition to landscapes favoring Feng Shui principles. As a plant with vibrant red blossoms, it imbibes the fiery energy of the south, reflecting strong life force and growth. However, as Feng Shui is a personalized study, this deemed compatibility is merely a general guidance, not a one-size-fits-all rule.
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Plants Related to Beardlip penstemon

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Winter jasmine
Winter jasmine
Originally from China, winter jasmine is prized for its wispy branches and early blooming. Its bright yellow flowers are spreadable, and the plant is readily available to grow roots and form a new shrub when its branches touch the ground. This makes it a great choice for ground cover on banks, and it trellises easily.
Wineberry
Wineberry
Wineberry (Aristotelia serrata) is grown ornamentally for its attractive leaves, flowers, and berries. Its dense foliage makes it a good shade tree. Birds are particularly attracted to its berries. Both the berries and bark are used to make dyes. European settlers burned the tree for charcoal that was used in the production of gunpowder.
Wild thyme
Wild thyme
Wild thyme, is a popular herb used in Mediterranean cuisine for its strong, minty flavor. Its low-growing habit makes it an ideal groundcover for rock gardens or between stepping stones.
Wild asparagus
Wild asparagus
Wild asparagus (Asparagus cochinchinensis) is a plant native to East Asia from Japan to Vietnam to the Philippines. Its tiny white berries often grow in pairs. Though attractive, the berries are poisonous. Some portions of the plant find use as poisonous deterrents against fly and mosquito larvae.
Wild asparagus
Wild asparagus
The subtropical plant wild asparagus has flowers with the distinct scent of antiseptics. Withered plant roots can be harvested and converted into an insecticide that kills fleas, mosquito larvae, and other pests. Its sap can irritate skin if it comes into contact with it.
Western redbud
Western redbud
Western redbud (Cercis occidentalis) is a flowering plant used by the indigenous people of California for weaving baskets. The bark can be used to make a reddish dye. Western redbud is often planted as an ornamental species.
Cape jasmine
Cape jasmine
Gardenia jasminoides is an evergreen shrub with unique, glossy evergreen leaves and stunning flowers. The sophisticated, matte white flowers are often used in bouquets. The exceptional beauty of this ornamental plant has made it a popular and highly appreciated plant amongst gardeners and horticulturalists.
Golden pothos
Golden pothos
The golden pothos (Epipremnum aureum) is a popular houseplant that is commonly seen in Australia, Asia, and the West Indies. It goes by many nicknames, including "devil's ivy", because it is so hard to kill and can even grow in low light conditions. Golden pothos has poisonous sap, so it should be kept away from pets and children.
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Beardlip penstemon
Beardlip penstemon
Beardlip penstemon
Beardlip penstemon
Beardlip penstemon
Beardlip penstemon
Beardlip penstemon
Penstemon barbatus
Also known as: Golden-beard penstemon, Red beardtongue, St. joseph's staff
Hardiness Zones
Hardiness Zones
3 to 9
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Questions About Beardlip penstemon

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Watering Watering Watering
Pruning Pruning Pruning
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Key Facts About Beardlip penstemon

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Attributes of Beardlip penstemon

Lifespan
Perennial
Plant Type
Herb
Planting Time
Spring
Bloom Time
Late spring, Summer, Early fall, Mid fall
Harvest Time
Fall
Plant Height
30 cm to 1 m
Spread
22 cm to 30 cm
Leaf Color
Green
Flower Size
2.5 cm
Flower Color
Red
Stem Color
Green
Red
Dormancy
Winter dormancy
Leaf type
Semi-evergreen
Ideal Temperature
0 - 35 ℃
Pollinators
Bees, Hummingbirds
Benefits to Pollinating Insects
Adult food, Larval food
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Symbolism

Usages

Garden Use

Scientific Classification of Beardlip penstemon

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Common Pests & Diseases About Beardlip penstemon

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Common issues for Beardlip penstemon based on 10 million real cases
Leaf blight
Leaf blight is a destructive disease that significantly impacts the growth and health of Beardlip penstemon. This fungal disease causes deteriorating foliage, inhibiting the plant's ability to photosynthesize and ultimately reducing its vigor and flowering potential.
Learn More About the Leaf blight more
Flower withering
Flower withering Flower withering Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Solutions: If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible. For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface. In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well. If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
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Wilting after blooming
Wilting after blooming Wilting after blooming Wilting after blooming
Flowers may wither for a variety of reasons.
Solutions: Check the soil or potting medium. Coarse textures can allow water to drain too rapidly, preventing the plant from taking up enough. If the soil and roots seem very dry, add sphagnum moss or other mediums that hold water. Water according to recommendations for each plant's species. Low humidity can be corrected by misting the plant regularly or placing it near a humidifier. Keeping it near other plants helps, too. Keep the environment consistent in terms of temperature, humidity, and lighting. Keep it away from vents, heaters, and air conditioners, and avoid moving it to locations where it will experience a temperature shock. Hot, dry heat, and cold drafts are problematic for many plants. Especially if the plant is outside, it could be experiencing heat or light stress. Try moving it to a shadier location.
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Brown spot
Brown spot Brown spot Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
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Plant dried up
Plant dried up Plant dried up Plant dried up
The entire plant may dry out due to dieback or normal seasonal dormancy.
Solutions: The solution for a dried out plant depends on the cause, so determine the cause before selecting a treatment method. Adjust your watering: Stick your finger in the soil near the roots. If it feels bone dry or overly saturated, you need to adjust your watering frequency accordingly. Prune back dead foliage: Snip off any brown stems and leaves on the plant to make space for new growth. This encourages the roots to send up fresh stems. Move to a proper environment. This may involve decreasing or increasing sun exposure, depending on the species. Decrease fertilizer applications. If you have applied too much fertilizer, you can repot plants with fresh potting soil. Wait. If your plant has dried out as daylight is decreasing, it is entering dormancy. Decrease watering and wait until the plant resumes growth.
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Leaf blight
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Leaf blight Disease on Beardlip penstemon?
What is Leaf blight Disease on Beardlip penstemon?
Leaf blight is a destructive disease that significantly impacts the growth and health of Beardlip penstemon. This fungal disease causes deteriorating foliage, inhibiting the plant's ability to photosynthesize and ultimately reducing its vigor and flowering potential.
Symptom Analysis
Symptom Analysis
Signs of leaf blight on Beardlip penstemon include yellow-brown spots on its leaves that gradually enlarge and darken. Subsequently, the infected leaves wither and drop prematurely, leading to sparse and unhealthy plants.
What Causes Leaf blight Disease on Beardlip penstemon?
What Causes Leaf blight Disease on Beardlip penstemon?
1
Pathogen
Alternaria species are the primary fungi causing leaf blight. These fungi thrive in humid conditions and can quickly spread, infecting Beardlip penstemon and other plants in close proximity.
How to Treat Leaf blight Disease on Beardlip penstemon?
How to Treat Leaf blight Disease on Beardlip penstemon?
1
Non pesticide
Proper irrigation: Overhead watering can spread the fungus. It's better to use a watering method that doesn't wet the Beardlip penstemon's foliage, such as soaker hoses or drip irrigation.

Plant hygiene: Regularly remove and dispose of dead or infected leaves from Beardlip penstemon and around its growing area. This reduces the chance of further fungal spread.
2
Pesticide
Fungicide application: Apply an appropriate fungicide specific for leaf blight, ensuring to cover all parts of Beardlip penstemon. Repeat applications may be required based on the product directions.
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Flower withering
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Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Overview
Overview
Flower withering occurs when flowers become weak, droopy, wilted, or faded until they can’t be revived. During withering, they begin to wrinkle and shrink until the flower becomes completely dry or dead.
Any flowers, regardless of the plant type or the climate they are grown in, are susceptible to withering. It is a worldwide problem across houseplants, herbs, flowering ornamentals, trees, shrubs, garden vegetables, and food crops.
Unlike wilting—which withering is often confused with—withering can be caused by different things and is often due to more than a lack of water. Withering can be fatal in severe cases.
Symptom Analysis
Symptom Analysis
Flower withering progresses from very mild cases to severe occurrences that kill the flower. The severity of the symptoms is related to the cause and how long the condition is allowed to progress before action is taken.
  • Wilted, droopy flowers
  • Petals and leaves begin to wrinkle
  • Brown papery streaks or spots appear on the petals and leaf tips
  • Flowerhead shrink in size
  • Petal color fades
  • Yellowing leaves
  • Complete death of the flower
Disease Cause
Disease Cause
The main causes of flower withering include natural age progress, lack of water, nutritional deficiencies, and bacterial or fungal diseases. It’s critical to determine the underlying cause when flower withering is noticed. This will guide the best course of action, if treatment is possible.
Check the soil for moisture and then closely examine the entire plant for signs of nutrient deficiencies. If neither of those appears to be the cause then cut open the stem below a flower. If a cross-section reveals brown or rust-colored stains it is safe to assume that this is a bacterial or fungal infection.
If the flower is nearing the end of its normal lifespan, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence, or cell aging and death. Cell division stops and the plant begins breaking down resources within the flower to use in other parts of the plant.
In all other cases, flower withering happens when the plant seals off the stem as a defense mechanism, stopping transport within the vascular system. This prevents further water loss through the flowers but also stops bacteria and fungi from moving to healthy parts of the plant. Once water and nutrient transport stops, the flower begins to wither and ultimately die.
Solutions
Solutions
If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface.
In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well.
If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
Prevention
Prevention
This is definitely one of those instances where prevention is more effective than cure. Here are some preventative measures for avoiding premature flower withering.
  • Water plants according to their needs -- either keep the soil slightly moist or allow the top inch or two to dry out before watering again.
  • Fertilize lightly on a consistent basis, depending upon the plant’s growth. Quick-growing plants and those that flower or develop fruit will need more frequent fertilizing than slow-growing plants.
  • Purchase plants that are certified disease- or pathogen-free.
  • Look for disease-resistant cultivars.
  • Isolate plants showing disease symptoms to prevent the spread to neighboring plants.
  • Practice good plant hygiene by removing any fallen plant material as soon as possible.
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Wilting after blooming
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Wilting after blooming
Flowers may wither for a variety of reasons.
Overview
Overview
Wilting after blooming is sometimes a natural aging process of the flower, while other times it may indicate a problem. Orchids, for example, can bloom for anywhere from two weeks to three months, so wilting after a few days signals a problem for most varieties. This can happen to virtually any ornamental flowering plant, but those with shallow roots and limited tolerance for drought, full sun, and low humidity are more susceptible.
This is a common problem, and often has an easy fix. Sometimes, however, it is the result of more serious causes such as pests or disease of the root system.
Symptom Analysis
Symptom Analysis
  • At first, flowers may look a little limp.
  • Petals may start to appear dried out and turn brown.
  • Eventually they may drop off the plant all together.
Disease Cause
Disease Cause
Wilting blooms can be a sign of an unhealthy root system. Any condition that prevents the plant from absorbing enough water and nutrition can result in wilting blooms and sometimes other symptoms. If the plant doesn’t have enough water, it cannot maintain appropriate pressure within stems, leaves, and blooms, causing them to wilt.
This can result from physical damage – for example from root breakage during re-potting or attack by insects like cutworms. If you recently re-potted your plant, physical damage to the roots is a likely cause. If you see insects, they may be eating leaves, roots, or flowers. Fungal infections can also cause root rot and damage, preventing water and nutrient uptake.
Finally, wilting blooms can result simply from age. If no other symptoms are visible, it may simply signal the natural end of the flower’s lifespan. If it seems premature, this may be caused by environmental factors: water, humidity, light, or stress. Under-watering is a common cause. Similarly, plants adapted to high humidity dry out easily when humidity is low, like during winter or in dry climates. Too much light can also stress plants that need shade, causing blooms to wilt.
Solutions
Solutions
  • Check the soil or potting medium. Coarse textures can allow water to drain too rapidly, preventing the plant from taking up enough. If the soil and roots seem very dry, add sphagnum moss or other mediums that hold water.
  • Water according to recommendations for each plant's species.
  • Low humidity can be corrected by misting the plant regularly or placing it near a humidifier. Keeping it near other plants helps, too.
  • Keep the environment consistent in terms of temperature, humidity, and lighting. Keep it away from vents, heaters, and air conditioners, and avoid moving it to locations where it will experience a temperature shock. Hot, dry heat, and cold drafts are problematic for many plants.
  • Especially if the plant is outside, it could be experiencing heat or light stress. Try moving it to a shadier location.
Prevention
Prevention
  • Read up on moisture, light, and soil type preferences for each plant to avoid underwatering, incorrect light levels, or other conditions that can cause wilting blooms.
  • Avoid re-potting during the flowering period. This causes additional stress on the plants because they need to repair root damage and adapt to the new micro-environment, all of which can result in wilting.
  • One other potential cause is ethylene gas, a plant hormone related to ripening. Some fruits and vegetables emit ethylene, especially bananas. Apples, grapes, melons, avocados, and potatoes can also give it off, so keep flowering plants away from fresh produce.
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Brown spot
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Brown spot
This infection can cause brown spots or patches to appear on the plant.
Overview
Overview
Discolored spots on the foliage of plants are one of the most common disease problems people observe. These spots are caused by fungal and bacterial diseases, with most infections related to a fungal pathogen.
Brown spot can occurs on all houseplants, flowering ornamentals, vegetable plants, and leaves of trees, bushes, and shrubs. No plants are resistant to it, and the problem is worse in warm, wet environments. It can occur at any point in the life stage as long as leaves are present.
Small brownish spots appear on the foliage and enlarge as the disease progresses. In severe cases, the plant or tree is weakened when the lesions interrupt photosynthesis or cause defoliation.
Symptom Analysis
Symptom Analysis
In most cases, brown spot only affects a small percentage of the whole plant, appearing on a small amount of the leaves. A small infection only puts minor stress on the plant. However, if left untreated and the disease progresses over numerous seasons, it will severely impact the health and productivity of the infected specimen.
  • Sporulation begins (reproduction of the fungal spores), and tiny spots appear on leaves.
  • Placement is often random and scattered as diseases are spread through raindrops.
  • May appear on lower leaves and the interior of the plant where humidity is higher.
  • Brown spots enlarge and grow large enough to touch neighboring spots to form a more prominent blotch.
  • Leaf margins may turn yellow.
  • Tiny black dots (fruiting bodies of the fungi) appear in the dead spots.
  • Blotches grow in size until the entire leaf is brown.
  • The leaf falls off the plant.
Severe Symptoms
  • Partial or complete premature defoliation
  • Reduced growth
  • Increased susceptibility to pests and other diseases
Disease Cause
Disease Cause
Brown spot, or leaf spot, is a common descriptive term given to several diseases affecting the leaves of plants and trees. Around 85% of diseases exhibiting leaf spots are due to fungus or fungus-like organisms. Sometimes brown spot is caused by a bacterial infection, or insect activity with similar symptoms.
When conditions are warm and the leaf surfaces are wet, fungal spores being transported by wind or rain land on the surface and cling to it. They do not rupture the cell walls but grow in the space between the plant plasma membrane and the plant cell wall. As the spores reproduce, they release toxins and enzymes that cause necrotic spots (i.e., dead tissue) on the leaves, allowing the fungi to consume the products released when the cells degrade.
Solutions
Solutions
In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary.
Organic options won’t kill the fungus, but will prevent it from spreading.
  1. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear.
  2. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread.
  3. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Prevention
Prevention
Like many other diseases, it is easier to prevent brown spot than cure it, and this is done through cultural practices.
  • Clear fall leaves from the ground before winter to minimize places where fungi and bacteria can overwinter.
  • Maintain good air movement between plants through proper plant spacing.
  • Increase air circulation through the center of plants through pruning.
  • Thoroughly clean all pruning tools after working with diseased plants.
  • Never dispose of disease plant material in a compost pile.
  • Avoid overhead watering to keep moisture off of the foliage.
  • Keep plants healthy by providing adequate sunlight, water, and fertilizer.
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Plant dried up
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Plant dried up
The entire plant may dry out due to dieback or normal seasonal dormancy.
Symptom Analysis
Symptom Analysis
Your plant has dried out and turned brown. It might be starting to wilt, with no noticeable green around the stems and leaves. Touch the leaves, and they may crinkle under your fingers.
Possible causes of a dried out plant include:
  1. Not enough water. A lack of water will lead to dry plant tissue.
  2. Too much water. Watering too much can lead to root rot which makes the plant struggle to take up water. Rotted, mushy roots are a sign of overeating.
  3. Entering dormancy. As perennial plants enter their resting period known as dormancy, their leaves dry out and may fall off. This happens during decreasing day length.
  4. Exposure to herbicides and other toxic substances. If a plant is hit with a large dose herbicide or other toxic chemical, the plant will turn brown.
  5. Too much fertility. An excess of fertilizer can prevent plants from taking up water, leading to drying.
  6. Improper sun exposure. Just like humans, plants can get sunburn by intense, direct light. Plants can also dry out if they don’t receive enough light.
To determine whether the plant is still alive and can be saved, you can:
  1. Bend a stem. If the stem is pliable, the plant is still alive. If the stem breaks, the plant is dead.
  2. Gently scratch the stem with your fingernail for signs of green inside. If your plant is dead, the stem will be brittle and brown throughout.
  3. Cut the stems back a little bit a time for visible green growth. If none of the stems have visible green growth, the plant is dead.
Solutions
Solutions
The solution for a dried out plant depends on the cause, so determine the cause before selecting a treatment method.
  1. Adjust your watering: Stick your finger in the soil near the roots. If it feels bone dry or overly saturated, you need to adjust your watering frequency accordingly.
  2. Prune back dead foliage: Snip off any brown stems and leaves on the plant to make space for new growth. This encourages the roots to send up fresh stems.
  3. Move to a proper environment. This may involve decreasing or increasing sun exposure, depending on the species.
  4. Decrease fertilizer applications. If you have applied too much fertilizer, you can repot plants with fresh potting soil.
  5. Wait. If your plant has dried out as daylight is decreasing, it is entering dormancy. Decrease watering and wait until the plant resumes growth.
Prevention
Prevention
Prevention involves providing your plant with the proper environment.
  1. Provide the proper amount of water. The amount of water depends on a plant’s size, species, and environment. A general rule is to allow soil to dry out between waterings.
  2. Place plants in the proper environment. Provide the proper hours of sun and temperature for your individual plant.
  3. Provide proper fertility. Most plants only need to be fertilized once or twice a year; don’t overapply.
  4. Keep plants free from toxic substances. Keep herbicides and toxic household chemicals away from your plants.
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Distribution of Beardlip penstemon

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Habitat of Beardlip penstemon

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Distribution Map of Beardlip penstemon

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Cultivated
Invasive
Potentially invasive
Exotic
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More Info on Beardlip Penstemon Growth and Care

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Basic Care Guide
Common Pests & Diseases
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Leaf blight
Leaf blight is a destructive disease that significantly impacts the growth and health of Beardlip penstemon. This fungal disease causes deteriorating foliage, inhibiting the plant's ability to photosynthesize and ultimately reducing its vigor and flowering potential.
 detail
Underwatering dry
Underwatering is a condition that results from insufficient water supply, affecting the Beardlip penstemon's growth and survival, leading to reduced flowering, wilting of leaves, and overall reduced plant vigor. The condition is non-infectious and mainly prevalent in areas with low rainfall or improper irrigation methods.
 detail
Powdery mildew
Powdery mildew is a fungal disease that affects Beardlip penstemon, causing a white to grayish powdery growth on the plant's leaves and stems. It can impact the overall health and growth of the plant, potentially reducing its lifespan.
 detail
Wilting
Wilting is a common plant disease causing Beardlip penstemon to show symptoms of weakness and droopiness. The disease primarily affects the plant's vascular system, hindering water and nutrient transport, thus making the plant weak and often leading to death.
 detail
Brown blotch
Brown spot is a fungal disease that impacts the health and aesthetic appearance of the Beardlip penstemon. The disease leads to necrotic lesions and reduction in photosynthetic capability which impairs Beardlip penstemon's growth and survival.
 detail
Leaf wilting
Leaf wilting in Beardlip penstemon is a common plant disorder, characterized by the loss of firmness in plant tissues that leads to drooping or wilting of plant parts. It severely impacts growth, fruit production, and overall plant health.
 detail
Yellow edges
Yellow edges is a disease affecting Beardlip penstemon, causing premature yellowing and wilting of the leaf edges. It impedes plant growth and may even result in death of the plant if left untreated. The disease is caused by nutrient deficiencies, specifically a lack of iron or nitrogen.
 detail
Dark blotch
Dark blotch is a fungal disease affecting Beardlip penstemon plants, resulting in brown or blackish spots on leaves, leading to wilting. The disease can impact growth, reduce flowering, and in severe cases, can cause plant death.
 detail
Leaf rot
Leaf rot is a troublesome disease that severely impacts the growth, appearance, and health of Beardlip penstemon. The fungal infection results in discoloration, wilting of leaves, and if untreated, can lead to the plant's premature death. Prevention and suitable treatment are key.
 detail
Plant dried up
Plant dried up' is a common disease that affects the vigor of Beardlip penstemon, resulting in wilted and dry appearance. The disease severely affects plant's health and productivity, leading to widespread damage if untreated.
 detail
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Plants Related to Beardlip penstemon

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Lighting
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Indoor
Outdoor
Choose a site here for personalized care tips.
Requirements
Full sun
Ideal
Above 6 hours sunlight
Partial sun
Tolerance
About 3-6 hours sunlight
Watch how sunlight gracefully moves through your garden, and choose spots that provide the perfect balance of light and shade for your plants, ensuring their happiness.
Essentials
Beardlip penstemon favors a generous incorporation of sunlight, adding to the robust health of the plant. Originating from sun-drenched environments, it can, to some extent, adapt to areas with comparatively less sunlight. However, excessive shade or overexposure could potentially dampen its growth.
Preferred
Tolerable
Unsuitable
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Artificial lighting
Indoor plants require adequate lighting for optimal growth. When natural sunlight is insufficient, particularly in winter or in less sunny spaces, artificial lights offer a vital solution, promoting faster, healthier growth.
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Indoor plants require adequate lighting for optimal growth. When natural sunlight is insufficient, particularly in winter or in less sunny spaces, artificial lights offer a vital solution, promoting faster, healthier growth.
1. Choose the right type of artificial light: LED lights are a popular choice for indoor plant lighting because they can be customized to provide the specific wavelengths of light that your plants need.
Full sun plants need 30-50W/sq ft of artificial light, partial sun plants need 20-30W/sq ft, and full shade plants need 10-20W/sq ft.
2. Determine the appropriate distance: Place the light source 12-36 inches above the plant to mimic natural sunlight.
3. Determine the duration: Mimic the length of natural daylight hours for your plant species. most plants need 8-12 hours of light per day.
Important Symptoms
Symptoms of Insufficient Light in %s
Beardlip penstemon thrives in full sunlight and is commonly grown outdoors where it receives ample sunlight. When placed in rooms with inadequate lighting, symptoms of light deficiency may not be readily apparent.
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Small leaves
New leaves may grow smaller in size compared to the previous ones once they have matured.
Leggy or sparse growth
The spaces between leaves or stems of your beardlip penstemon may become longer, resulting in a thin and stretched-out appearance. This can make the plant look sparse and weak, and it may easily break or lean due to its own weight.
Faster leaf drop
When plants are exposed to low light conditions, they tend to shed older leaves early to conserve resources. Within a limited time, these resources can be utilized to grow new leaves until the plant's energy reserves are depleted.
Slower or no new growth
Beardlip penstemon enters a survival mode when light conditions are poor, which leads to a halt in leaf production. As a result, the plant's growth becomes delayed or stops altogether.
Lighter-colored new leaves
Insufficient sunlight can cause leaves to develop irregular color patterns or appear pale. This indicates a lack of chlorophyll and essential nutrients.
Solutions
1. To ensure optimal growth, gradually move plants to a sunnier location each week, until they receive at least 6 hours of direct sunlight daily. Use a south-facing window and keep curtains open during the day for maximum sunlight exposure and nutrient accumulation.2. To provide additional light for your plant, consider using artificial light if it's large or not easily movable. Keep a desk or ceiling lamp on for at least 8 hours daily, or invest in professional plant grow lights for ample light.
Symptoms of Excessive light in %s
Beardlip penstemon thrives in full sun exposure and can tolerate intense sunlight. With their remarkable resilience, symptoms of sunburn may not be easily visible, as they rarely suffer from it.
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Chlorosis
Chlorosis is a condition where the plant's leaves lose their green color and turn yellow. This is due to the breakdown of chlorophyll from excessive sunlight, which negatively affects the plant's ability to photosynthesize.
Sunscald
Sunscald occurs when the plant's leaves or stems are damaged by intense sunlight exposure. It appears as pale, bleached, or necrotic areas on the plant tissue and can reduce the plant's overall health.
Leaf Curling
Leaf curling is a symptom where leaves curl or twist under extreme sunlight conditions. This is a defense mechanism used by the plant to reduce its surface area exposed to sunlight, minimizing water loss and damage.
Wilting
Wilting occurs when a plant loses turgor pressure and its leaves and stems begin to droop. Overexposure to sunlight can cause wilting by increasing the plant's water loss through transpiration, making it difficult for the plant to maintain adequate hydration.
Leaf Scorching
Leaf scorching is a symptom characterized by the appearance of brown, dry, and crispy edges or patches on leaves due to excessive sunlight. This can lead to a reduction in photosynthetic capacity and overall plant health.
Solutions
1. Move your plant to the optimal position where it can receive abundant sunlight but also have some shade. An east-facing window is an ideal choice as the morning sunlight is gentler. This way, your plant can enjoy ample sunlight while reducing the risk of sunburn.2. It is recommended to trim off any completely dehydrated or withered parts of the plant.
Discover information about plant diseases, toxicity, weed control and more.
Temperature
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Requirements
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Tolerable
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Just like people, each plant has its own preferences. Learn about your plants' temperature needs and create a comforting environment for them to flourish. As you care for your plants, your bond with them will deepen. Trust your intuition as you learn about their temperature needs, celebrating the journey you share. Lovingly monitor the temperature around your plants and adjust their environment as needed. A thermometer can be your ally in this heartfelt endeavor. Be patient and gentle with yourself as you explore your plants' temperature needs. Cherish your successes, learn from challenges, and nurture your garden with love, creating a haven that reflects the warmth of your care.
Essentials
Beardlip penstemon thrives in temperate regions and prefers a moderate temperature range of 32 to 95℉ (0 to 35℃). During colder seasons, it is recommended to keep the plant in an area with a temperature above freezing. In hotter months, providing afternoon shade can prevent the plant from drying out or getting too hot.
Regional wintering strategies
Beardlip penstemon has strong cold resistance, so special frost protection measures are usually not necessary during winter. However, if the winter temperatures are expected to drop below {Limit_growth_temperature}, it is still important to provide cold protection. This can be achieved by covering the plant with materials such as soil or straw. Before the first freeze in autumn, it is recommended to water the plant abundantly, ensuring the soil remains moist and enters a frozen state. This helps prevent drought and water scarcity for the plant during winter and early spring.
Important Symptoms
Symptoms of Low Temperature in Beardlip penstemon
Beardlip penstemon is cold-tolerant and thrives best when the temperature is above {Suitable_growth_temperature_min}. During winter, it should be kept above {Tolerable_growing_temperature_min}. When the temperature falls below {Limit_growth_temperature}, although there may not be any noticeable changes during winter, there may be a decrease in sprouting or even no sprouting during springtime.
Solutions
In spring, remove any parts that have failed to sprout.
Symptoms of High Temperature in Beardlip penstemon
During summer, Beardlip penstemon should be kept below {Suitable_growth_temperature_max}. When the temperature exceeds {Tolerable_growing_temperature_max}, the leaves of the plant may become lighter in color, prone to curling, susceptible to sunburn, and in severe cases, the entire plant may wilt and become dry.
Solutions
Trim away the sunburned and dried-up parts. Move the plant to a location that provides shade from the midday and afternoon sun, or use a shade cloth to create shade. Water the plant in the morning and evening to keep the soil moist.
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