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Clasping Venus's looking glass
Clasping Venus's looking glass
Clasping Venus's looking glass
Clasping Venus's looking glass
Clasping Venus's looking glass
Clasping Venus's looking glass
Clasping Venus's looking glass
Triodanis perfoliata
Also known as : Venus' looking glass, Roundleaved triodanis
The clasping Venus's looking glass is an annual wildflower herb with small bluish-purple blossoms and leaves that appear to clasp to the stem, giving it its name. Its tiny seeds are flat and somewhat shiny, resembling a hand mirror. The smaller flowers towards the base of the plant may not open but will still develop seeds.
Hardiness Zones
Hardiness Zones
2 to 11
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Weeds
plant_info

Key Facts About Clasping Venus's looking glass

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Attributes of Clasping Venus's looking glass

Lifespan
Annual, Biennial, Perennial
Plant Type
Herb
Planting Time
Summer
Bloom Time
Late spring, Early summer, Mid summer
Harvest Time
Summer
Plant Height
15 cm to 46 cm
Spread
13 cm to 15 cm
Leaf Color
Green
Purple
Lavender
Flower Size
1.3 cm
Flower Color
Purple
Blue
Fruit Color
Brown
Red
Stem Color
Green
Dormancy
Winter dormancy
Leaf type
Deciduous
Ideal Temperature
20 - 38 ℃
Pollinators
Bees
Benefits to Pollinating Insects
Adult food

Name story

Clasping venus's looking glass
Clasping Venus's looking glass gets its common name from the appearance of its seeds. The seeds have a slightly flattened look to them, which resembles a hand mirror. The leaves appear to clasp tightly to its stem.

Symbolism

Flattery

Scientific Classification of Clasping Venus's looking glass

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Weed Control About Clasping Venus's looking glass

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Weeds
Clasping Venus's looking glass thrives in flat grasslands, along roadsides, and on slopes across the US and in parts of Canada. It has even been introduced further afield, in Australia, Korea, and China. The plant is generally considered invasive, as it can take over cultivated areas if left unattended, but this invasiveness is not usually a serious threat. The plant grows between 30 cm and 91 cm in height, so it does have the potential to crowd out native and cultivated plants in gardens. Small seeds are released annually and can easily spread throughout the yard, so keep an eye on this plant's spread.
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distribution

Distribution of Clasping Venus's looking glass

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Habitat of Clasping Venus's looking glass

Disturbed areas, prairies, pastures
Northern Hemisphere
South Hemisphere

Distribution Map of Clasping Venus's looking glass

Clasping Venus's looking glass is a plant with a native range including the eastern regions of North America. It has been introduced and now exists in parts of East Asia and the Caribbean. This expansion has enabled clasping Venus's looking glass to become a naturalized species in various non-native major regions, adapting beyond its original habitat.
distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
habit
question

Questions About Clasping Venus's looking glass

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Watering Watering Watering
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
What is the best way to water my Clasping Venus's looking glass?
To water Clasping Venus's looking glass, you can use a garden hose with a spray nozzle, a watering can, or just about any other common watering tool. Generally, Clasping Venus's looking glass is not too picky about how they receive their water, as they can live off of rainwater, tap water, or filtered water. Often, you should try not to water this plant from overhead, as doing so can damage the leaves and flowers and may lead to disease as well. At times, the best method for watering this plant is to set up a drip irrigation system. These systems work well for Clasping Venus's looking glass as they apply water evenly and directly to the soil. For one Clasping Venus's looking glass that grows in a container, you can use a similar watering approach while changing the tools you use. To water a container-grown Clasping Venus's looking glass, use a cup, watering can, or your tap to apply water directly to the soil.
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What should I do if I water my Clasping Venus's looking glass too much or too little?
The remedy for underwatering Clasping Venus's looking glass is somewhat obvious. When you notice that your plant lacks moisture, simply begin watering it on a more regular basis. The issue of overwatering can be a much more dire situation, especially if you fail to notice it early. When your Clasping Venus's looking glass is overwatered, it may contract diseases that lead to its decline and death. The best way to prevent this outcome is to choose a proper growing location, one that receives plenty of sunlight to help dry the soil and has good enough drainage to allow excess water to drain rather than pooling and causing waterlogged soils. If you overwater your Clasping Venus's looking glass that lives in a pot, you may need to consider changing it to a new pot. Your previous container may not have contained soil with good drainage or may not have had sufficient drainage holes. As you repot your overwatered Clasping Venus's looking glass, make sure to add loose soils and to use a pot that drains efficiently.
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How often should I water my Clasping Venus's looking glass?
Clasping Venus's looking glass needs water regularly throughout the growing season. Beginning in spring, you should plan to water this plant about once per week. As the season presses on and grows warmer, you may need to increase your watering rate to about two to three times per week. Exceeding at this rate can be detrimental to your Clasping Venus's looking glass. With that said, you should also ensure that the soil in which your Clasping Venus's looking glass grows remains relatively moist but not wet, regardless of how often you must water to make that the case. Watering Clasping Venus's looking glass that lives in a pot is a bit different. Generally, you'll need to increase your watering frequency, as the soil in a pot can heat up and dry out a bit faster than ground soil. As such, you should plan to water a container-grown Clasping Venus's looking glass a few times per week in most cases, versus just once per week for an in-ground plant.
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How much water does my Clasping Venus's looking glass need?
There are a few different ways you can go about determining how much water to give to your Clasping Venus's looking glass. Some gardeners choose to pick their water volume based on feeling the soil for moisture. That method suggests that you should water until you feel that the first six inches of soil have become moist. Alternatively, you can use a set measurement to determine how much to water your Clasping Venus's looking glass. Typically, you should give your Clasping Venus's looking glass about two gallons of water per week, depending on how hot it is and how quickly the soil becomes dry. However, following strict guidelines like that can lead to overwatering if your plant requires less than two gallons per week for whatever reason. When growing Clasping Venus's looking glass in a container, you will need to use a different method to determine how much water to supply. Typically, you should give enough water to moisten all of the layers of soil that have become dry. To test if that is the case, you can simply stick your finger in the soil to feel for moisture. You can also water the soil until you notice a slight trickle of excess water exiting the drainage holes of your pot.
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How can I tell if i'm watering my Clasping Venus's looking glass enough?
It can be somewhat difficult to avoid overwatering your Clasping Venus's looking glass. On the one hand, these plants have relatively deep roots that require you to moisten the soil weekly. On the other hand, Clasping Venus's looking glass are plants that are incredibly susceptible to root rot. Along with root rot, your Clasping Venus's looking glass may also experience browning as a result of overwatering. Underwatering is far less likely for your Clasping Venus's looking glass as these plants can survive for a while in the absence of supplemental watering. However, if you go too long without giving this plant water, it will likely begin to wilt. You may also notice dry leaves.
Read More more
How should I water my Clasping Venus's looking glass through the seasons?
You can expect your Clasping Venus's looking glass’s water needs to increase as the season moves on. During spring, you should water about once per week. Then, as the summer heat arrives, you will likely need to give a bit more water to your Clasping Venus's looking glass, at times increasing to about three times per week. This is especially true of Clasping Venus's looking glass that grow in containers, as the soil in a container is far more likely to dry out faster than ground soil when the weather is warm. In autumn, while your Clasping Venus's looking glass is still in bloom, it may need a bit less water as the temperature has likely declined, and the sun is no longer as strong as it was in summer.
Read More more
How should I water my Clasping Venus's looking glass at different growth stages?
Clasping Venus's looking glass will move through several different growth stages throughout the year, some of which may require more water than others. For example, you will probably start your Clasping Venus's looking glass as a seed. While the seed germinates, you should plant to give more water than your Clasping Venus's looking glass will need later in life, watering often enough to maintain consistent soil moisture. After a few weeks, your Clasping Venus's looking glass will grow above the soil and may need slightly less water than at the seedling phase. Then, once this plant is mature, you can begin to use the regular watering frequency of about once per week. As flower development takes place, you may need to give slightly more water to aid the process.
Read More more
What's the difference between watering Clasping Venus's looking glass indoors and outdoors?
There are several reasons why most Clasping Venus's looking glass grow outdoors rather than indoors. The first is that these plants typically grow to tall. The second reason is that Clasping Venus's looking glass needs more daily sunlight than most indoor growing locations can provide. If you are able to provide a suitable indoor growing location, you may find that you need to give your Clasping Venus's looking glass water a bit more often than you would in an outdoor growing location. Part of the reason for this is that indoor growing locations tend to be a lot drier than outdoor ones due to HVAC units. The other reason for this is that soil in containers can dry out relatively quickly as well compared to soil in the ground.
Read More more
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Lighting
Partial sun
Clasping Venus's looking glass is a versatile plant that flourishes best in moderate sunlight, but can adapt to more or less light intensity. Excessive sunlight may bleach its leaves, while minimal light could alter the healthy growth. The plant's ability to accommodate various light conditions reflects its adaptable original habitat characteristics.
Best Sunlight Practices
Transplant
1-2 feet
For clasping Venus's looking glass, the ideal transplanting time is in the 'start of summer to mid-fall'. These seasons offer ample warmth and light for this plant to establish. Choose a location with full to partial sun exposure. As transplant tips, remember to water appropriately and regularly after the plant settles!
Transplant Techniques
Temperature
0 - 43 ℃
Clasping Venus's looking glass is a plant species native to temperate environments. It thrives excellently in temperatures between 68 to 100 °F (20 to 38 ℃). Adjust conditions according to ambient seasonal temperatures. Overly cold conditions could impede growth.
Temp for Healthy Growth
Pollination
Normal
A fascinating picture of nature's harmony, clasping Venus's looking glass dances with nature's black and yellow heralds, bees, as its main pollinators. It cleverly entices these buzzing visitors with alluring scents or tantalizing rewards, ensuring its vibrant and delicate blossoms are pollinated. This subtle yet intricate pollination mechanism primarily takes place in the daylight hours, employing a refined timing strategy to maximize pollination efficiency. Nature, indeed, works in wondrous ways!
Pollination Techniques
Feng shui direction
South
Clasping Venus's looking glass resonates harmoniously with the South-facing direction, largely attributed to its stand-upright growth pattern which symbolizes strength, an element often associated with the South. However, every location has unique energy flows and interactions, thus it's advised to observe your space and adjust accordingly.
Fengshui Details
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Plants Related to Clasping Venus's looking glass

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Knotweed
Knotweed
Knotweed is a unique plant with several interesting qualities. This herbaceous perennial is known for its ability to attract butterflies and bees with its bright pink flowers. Native to East Asia, this plant thrives in moist soil and partial shade, making it a popular choice for gardeners. With a height of around 1-3 feet, knotweed adds a beautiful splash of color to any landscape. Overall, knotweed is an eye-catching and beneficial addition to any garden or natural space.
Hornwort
Hornwort
Hornwort is an underwater, invasive weed. It emits a substance that inhibits the growth of algae and overtakes other species of underwater plants. However, it is often used in aquariums because it does not have roots. Its fluffy, feathery leaves provide cover for baby fish.
Crimson clover
Crimson clover
Crimson clover (Trifolium incarnatum) is commonly planted for aesthetic purposes, to prevent soil erosion, or to suppress weeds during a crop field's fallow season. It is also a good source of forage for ruminants like cattle. Care must be taken in garden settings, however, since crimson clover will often overgrow and eliminate other species of plants in locations where it is planted.
Creosote bush
Creosote bush
Creosote bush (Larrea tridentata) is an evergreen, flowering shrub that is named for its fragrant aroma. Creosote bush is said to smell like creosote and is often associated with the smell of rain. Its yellow flowers bloom during spring and throughout the year. This species grows best in full sun and tolerates a variety of soil conditions.
Clary sage
Clary sage
Clary sage (Salvia sclarea) is a shrub that grows around the Mediterranean and in parts of central Asia. It has a long history of cultivation and has been imported to the Americas as well. It flowers with attractive blooms throughout the summer months, and its oil is used as a fragrance. It's also not unusual to find wines and liqueurs flavored with clary sage oils.
Butterbur
Butterbur
Butterbur (Petasites hybridus) is native to the wetlands of Europe and northern Asia. It produces pale pink flower spikes in early spring before its enormous leaves begin to grow. These leaves were once used to wrap and store butter in warm weather. Though they no longer serve that purpose, the common name, "butterbur," has not fallen out of fashion.
Poison ivy
Poison ivy
In pop culture, poison ivy is a symbol of an obnoxious weed because, despite its unthreatening looks, it gives a highly unpleasant contact rash to the unfortunate person who touches it. Still, it is commonly eaten by many animals, and the seeds are a favorite with birds. The leaves turn bright red in fall. Its sister species, Western poison ivy (Toxicodendron rydbergii), is not considered to be invasive in the United States, but is noxious in Australia and New Zealand.
Pokeweed
Pokeweed
Although its berries look juicy and tempting, the fruits and the root of pokeweed are toxic and should not be eaten. Pokeweed is considered a pest species by farmers but is nevertheless often grown as an ornamental plant. Its berries can be made into pokeberry ink as well.
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Clasping Venus's looking glass
Clasping Venus's looking glass
Clasping Venus's looking glass
Clasping Venus's looking glass
Clasping Venus's looking glass
Clasping Venus's looking glass
Clasping Venus's looking glass
Triodanis perfoliata
Also known as: Venus' looking glass, Roundleaved triodanis
The clasping Venus's looking glass is an annual wildflower herb with small bluish-purple blossoms and leaves that appear to clasp to the stem, giving it its name. Its tiny seeds are flat and somewhat shiny, resembling a hand mirror. The smaller flowers towards the base of the plant may not open but will still develop seeds.
Hardiness Zones
Hardiness Zones
2 to 11
more
Weeds
plant_info

Key Facts About Clasping Venus's looking glass

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Feedback
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Attributes of Clasping Venus's looking glass

Lifespan
Annual, Biennial, Perennial
Plant Type
Herb
Planting Time
Summer
Bloom Time
Late spring, Early summer, Mid summer
Harvest Time
Summer
Plant Height
15 cm to 46 cm
Spread
13 cm to 15 cm
Leaf Color
Green
Purple
Lavender
Flower Size
1.3 cm
Flower Color
Purple
Blue
Fruit Color
Brown
Red
Stem Color
Green
Dormancy
Winter dormancy
Leaf type
Deciduous
Ideal Temperature
20 - 38 ℃
Pollinators
Bees
Benefits to Pollinating Insects
Adult food
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Name story

Clasping venus's looking glass
Clasping Venus's looking glass gets its common name from the appearance of its seeds. The seeds have a slightly flattened look to them, which resembles a hand mirror. The leaves appear to clasp tightly to its stem.

Symbolism

Flattery

Scientific Classification of Clasping Venus's looking glass

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weed

Weed Control About Clasping Venus's looking glass

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weed
Weeds
Clasping Venus's looking glass thrives in flat grasslands, along roadsides, and on slopes across the US and in parts of Canada. It has even been introduced further afield, in Australia, Korea, and China. The plant is generally considered invasive, as it can take over cultivated areas if left unattended, but this invasiveness is not usually a serious threat. The plant grows between 30 cm and 91 cm in height, so it does have the potential to crowd out native and cultivated plants in gardens. Small seeds are released annually and can easily spread throughout the yard, so keep an eye on this plant's spread.
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distribution

Distribution of Clasping Venus's looking glass

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Habitat of Clasping Venus's looking glass

Disturbed areas, prairies, pastures
Northern Hemisphere
South Hemisphere

Distribution Map of Clasping Venus's looking glass

Clasping Venus's looking glass is a plant with a native range including the eastern regions of North America. It has been introduced and now exists in parts of East Asia and the Caribbean. This expansion has enabled clasping Venus's looking glass to become a naturalized species in various non-native major regions, adapting beyond its original habitat.
distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
question

Questions About Clasping Venus's looking glass

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Feedback
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Watering Watering Watering
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
What is the best way to water my Clasping Venus's looking glass?
more
What should I do if I water my Clasping Venus's looking glass too much or too little?
more
How often should I water my Clasping Venus's looking glass?
more
How much water does my Clasping Venus's looking glass need?
more
How can I tell if i'm watering my Clasping Venus's looking glass enough?
more
How should I water my Clasping Venus's looking glass through the seasons?
more
How should I water my Clasping Venus's looking glass at different growth stages?
more
What's the difference between watering Clasping Venus's looking glass indoors and outdoors?
more
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More Info on Clasping Venus's Looking Glass Growth and Care

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Lighting
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Indoor
Indoor
Outdoor
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Requirements
Partial sun
Ideal
About 3-6 hours sunlight
Full sun, Full shade
Tolerance
Above 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
Clasping Venus's looking glass is a versatile plant that flourishes best in moderate sunlight, but can adapt to more or less light intensity. Excessive sunlight may bleach its leaves, while minimal light could alter the healthy growth. The plant's ability to accommodate various light conditions reflects its adaptable original habitat characteristics.
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
Clasping Venus's looking glass thrives in full sunlight but can tolerate partial shade. Although symptoms of light deficiency may not be easily noticeable, when cultivated indoors with inadequate light, they may become apparent.
View more
(Symptom details and solutions)
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 clasping Venus's looking glass 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
Clasping Venus's looking glass 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 optimize plant growth, shift them to increasingly sunnier spots each week until they receive 3-6 hours of direct sunlight daily, enabling gradual adaptation to changing light conditions.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
Clasping Venus's looking glass thrives in full sun exposure but can adapt to partial shade. Despite being tolerant of different light conditions, it may experience sunburn, which often manifests with subtle and not easily visible symptoms.
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(Symptom details and solutions)
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.
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Temperature
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Indoor
Outdoor
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Requirements
Ideal
Tolerable
Unsuitable
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
Clasping Venus's looking glass is a plant species native to temperate environments. It thrives excellently in temperatures between 68 to 100 °F (20 to 38 ℃). Adjust conditions according to ambient seasonal temperatures. Overly cold conditions could impede growth.
Regional wintering strategies
Clasping Venus's looking glass 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 Clasping Venus's looking glass
Clasping Venus's looking glass 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 Clasping Venus's looking glass
During summer, Clasping Venus's looking glass 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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Cookie Name
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Facebook Pixel
Purpose
A conversion pixel tracking that we use for retargeting campaigns. Learn more here.
Lifespan
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Purpose
This cookie provides mobile analytics and attribution services that enable us to measure and analyze the effectiveness of marketing campaigns, certain events and actions within the Application. Learn more here.
Lifespan
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