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Quack grass
Quack grass
Quack grass
Quack grass
Quack grass
Quack grass
Quack grass
Elymus repens
Also known as : Creeping wheat grass, Dog's grass, Scutch, Quitchgrass
Hardiness Zones
Hardiness Zones
4 to 8
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plant_info

Key Facts About Quack grass

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Attributes of Quack grass

Lifespan
Perennial
Plant Type
Grass
Bloom Time
Summer
Harvest Time
Late summer, Early fall
Plant Height
51 cm to 1.02 m
Spread
1 m
Leaf Color
Green
Flower Size
8 mm to 1.5 cm
Flower Color
Green
Yellow
Stem Color
Green
Leaf type
Deciduous
Ideal Temperature
5 - 32 ℃

Scientific Classification of Quack grass

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Weed Control About Quack grass

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Weeds
Elymus repens is a perennial grass commonly found in temperate areas of the Northern hemisphere. It is considered a serious agricultural and horticultural weed in many countries.
How to Control it
When it comes to quack grass management, it is best to combine mechanical and cultural control. Cultural control - provide your crops with well-prepared soil, plant the seeds at optimal depth, and leave as little space as possible between the rows to increase the competitiveness of crops and help them overpower the weed. This method can decrease the growth of quack grass by a half. Mechanical control - considering that rhizome production is most intensive after crop harvest, when quack grass has little competition, soil cultivation at this time can significantly suppress the growth of this plant. No-till farming is very prone to problems with quack grass and other weeds, so most commonly herbicides are used for their management. If you opt for chemical control, consult an agricultural expert to pick the best active substance for your geographical region.
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Distribution of Quack grass

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Habitat of Quack grass

Gardens, Fields, Hedgerows and meadows
Northern Hemisphere
South Hemisphere

Distribution Map of Quack grass

distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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Questions About Quack grass

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Watering Watering Watering
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
What should I do if I water my Quack grass too much or too little?
Without proper watering, this beautiful ornamental grass will underperform. In the ground, watering issues can be solved, but In a container, too much or too little water will kill Quack grass in short order. When Quack grass isn't receiving the right amount of water, it may stop growing. In the case of overwatering, it will begin to display yellow leaves with brown tips. Underwatering can produce drooping leaves, weak seed head production, and browned leaves. If you suspect your Quack grass has been improperly watered, the first thing to do is figure out if the problem is too much or too little. If your Quack grass is getting too much water, stop watering it immediately. Sometimes it can take weeks for heavy soils to dry out, so be patient. At the first sign of new growth, test the soil for moisture and decide whether it needs more water or not. The solution for Quack grass receiving too little water is even simpler: give the grasses a nice, deep drink and see if it perks up. Bearing all of this in mind, remember that a long, deep watering is always better than a lot of shallow, frequent waterings. The reason for this is that deep watering encourages grasses to grow deep roots, which makes them more drought resistant and less prone to problems from watering.
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How often should I water my Quack grass?
The watering needs of Quack grass will vary depending on where it is planted. Generally, you should water this grass every week. In hot climates, once or twice a week watering in the summer may be necessary. In moderate climates, watering once every seven days or more may be enough. Grass in containers almost always need more frequent watering than grasses in the ground. But with a species such as this that can thrive in full sun or part shade, the location also matters. Shaded grasses need to be watered less frequently than in-ground grasses. Quack grass should only be watered when the soil is dry. If you’re unsure when to water, there are a few key signs you can use as your cue. Pressing your finger a couple of inches into the soil will tell you if the soil is dry. For a potted grass, you can weigh the grass with a portable scale to see how light it is, but you can also quickly feel when the pot is light from lack of water. Like many types of grass, the blades may appear folded along their centers and thinner than usual when the roots lack sufficient water. Despite its drought tolerance, regular, deep waterings will reward you with a beautiful color. In the wild, Quack grass grows in open scrubland, where it would be subject to extreme heat, loads of bright sun, and intermittent rain. Because this grass is drought resistant, you might expect never to need to water it. But don’t let its hardiness fool you, Quack grass still needs care and attention. Even though this hardy grass can handle harsh, dry conditions, gardeners agree that it thrives best with consistent water. When first planted, Quack grass will need more frequent water until it has established deep roots. For Quack grass in pots, the soil will dry out quickly, especially if the pot is in hot, direct sun for a large part of the day. Test the soil every 3 to 4 days and water only when it feels dry. Quack grassed in the ground generally needs less watering, but that depends on the soil it is grown in. Heavy clay soil holds water for a long time and may feel dry at the surface while still retaining plenty of moisture below the ground. Sandy soils that drain quickly will need to be watered more often.
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What should I be careful with when I water my Quack grass in different seasons, climates, or during different growing?
You can often tell if you are watering enough by the rate of growth of your grasses. Quack grass during the hottest months of the year and has been known to double in size in a year’s time. If the weather is hot and the grass is not growing vigorously, you may need to adjust your watering schedule. In winter, you might be able to get away with watering only once a month, but you will still want to touch the soil to test for moisture. During a growth cycle (in the warmest months), the grass will need more water than usual. But during winter and cooler months, the need for water will be dramatically reduced. The most important thing to remember about Quack grass is that the soil it is planted in should always be allowed to dry out completely before adding water.
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More Info on Quack Grass Growth and Care

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Basic Care Guide
Lighting
Full sun
Quack grass flourishes best with abundant exposure to sun each day, permitting adaptability in conditions with less intense light. The light facilitates its vigorous growth. An inherited trait from its origin habitat could explain its tendency. Too much or too little light can disrupt optimal growth.
Best Sunlight Practices
Temperature
-25 - 35 ℃
Thriving in a temperature scope of 41 to 90°F (5 to 32℃), quack grass appreciates the similarity of its native habitat. Seasonal temperature fluctuations are manageable but try to avoid extremes for optimal growth conditions.
Temp for Healthy Growth
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Plants Related to Quack grass

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Mascarene island leaf flower
Mascarene island leaf flower
Mascarene island leaf flower (Phyllanthus tenellus) is a herbaceous annual plant that will grow from 20 to 48 cm tall. Considered a noxious weed, it is commonly found growing in garden beds, roadsides and other disturbed areas. Small, inconspicuous white flowers bloom in summer. Thrives in full sun to partial shade, in medium to dry, well-drained soil.
Chinese mugwort
Chinese mugwort
Chinese mugwort is a low-growing perennial that is often used as ground cover. This dwarf foliage plant prefers full sun, well-draining soil, and poor soil nutrition. This drought-tolerant plant is native to Japan.
Tropical whiteweed
Tropical whiteweed
Tropical whiteweed (Ageratum conyzoides) has a very shallow root system, making it capable of growing in thin and rocky soils along just as well as deep and fertile soil. Their seeds have tiny hairs attached to passing wildlife, allowing them to be spread far and wide. The genus name of this plant, Ageratums, means "non-aging" in Greek and refers to its robust growth and long life.
Tropical Pokeweed
Tropical Pokeweed
Tropical Pokeweed (Phytolacca icosandra) grows up to 3 m tall. It produces a flower stalk full of white to pink blossoms from summer to winter. Black berries follow blooming. This plant is considered invasive in the United States.
Mickey Mouse plant
Mickey Mouse plant
Mickey Mouse plant earns its common name from its ripe black fruits which resemble the ears of Mickey Mouse; these hang down from the flower’s bright red sepals, which also resemble the iconic cartoon character’s red shorts. Ochna serrulata is native to South Africa and is often grown as an ornamental garden plant.
Common reed
Common reed
Common reed (Phragmites australis) is a perennial flowering grass that is considered highly invasive. Common reed has thick roots and rhizomes that spread underground. Each plant produces thousands of seeds. The rapid growth of this species upsets the natural ecological balance by overwhelming native species, destroying habitats, threatening wildlife and increasing the potential for fires.
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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Related Plants
Quack grass
Quack grass
Quack grass
Quack grass
Quack grass
Quack grass
Quack grass
Elymus repens
Also known as: Creeping wheat grass, Dog's grass, Scutch, Quitchgrass
Hardiness Zones
Hardiness Zones
4 to 8
more
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Key Facts About Quack grass

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Attributes of Quack grass

Lifespan
Perennial
Plant Type
Grass
Bloom Time
Summer
Harvest Time
Late summer, Early fall
Plant Height
51 cm to 1.02 m
Spread
1 m
Leaf Color
Green
Flower Size
8 mm to 1.5 cm
Flower Color
Green
Yellow
Stem Color
Green
Leaf type
Deciduous
Ideal Temperature
5 - 32 ℃
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Scientific Classification of Quack grass

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weed

Weed Control About Quack grass

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Feedback
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weed
Weeds
Elymus repens is a perennial grass commonly found in temperate areas of the Northern hemisphere. It is considered a serious agricultural and horticultural weed in many countries.
How to Control it
When it comes to quack grass management, it is best to combine mechanical and cultural control. Cultural control - provide your crops with well-prepared soil, plant the seeds at optimal depth, and leave as little space as possible between the rows to increase the competitiveness of crops and help them overpower the weed. This method can decrease the growth of quack grass by a half. Mechanical control - considering that rhizome production is most intensive after crop harvest, when quack grass has little competition, soil cultivation at this time can significantly suppress the growth of this plant. No-till farming is very prone to problems with quack grass and other weeds, so most commonly herbicides are used for their management. If you opt for chemical control, consult an agricultural expert to pick the best active substance for your geographical region.
Show More more
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distribution

Distribution of Quack grass

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Feedback
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Habitat of Quack grass

Gardens, Fields, Hedgerows and meadows
Northern Hemisphere
South Hemisphere

Distribution Map of Quack grass

distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
question

Questions About Quack grass

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Feedback
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Watering Watering Watering
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
What should I do if I water my Quack grass too much or too little?
more
How often should I water my Quack grass?
more
What should I be careful with when I water my Quack grass in different seasons, climates, or during different growing?
more
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More Info on Quack Grass Growth and Care

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Basic Care Guide
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Plants Related to Quack grass

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Lighting
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Outdoor
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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
Quack grass flourishes best with abundant exposure to sun each day, permitting adaptability in conditions with less intense light. The light facilitates its vigorous growth. An inherited trait from its origin habitat could explain its tendency. Too much or too little light can disrupt optimal 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
Quack grass 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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(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 Quack grass 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
Quack grass 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
Quack grass 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.
View more
(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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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
Thriving in a temperature scope of 41 to 90°F (5 to 32℃), quack grass appreciates the similarity of its native habitat. Seasonal temperature fluctuations are manageable but try to avoid extremes for optimal growth conditions.
Regional wintering strategies
Quack grass 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 Quack grass
Quack grass 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 Quack grass
During summer, Quack grass 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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