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Fern-grass
Fern-grass
Fern-grass
Fern-grass
Fern-grass
Fern-grass
Catapodium rigidum
Also known as : Hard meadow grass, Rigid fescue
Fern-grass (Catapodium rigidum) is a type of grass from Europe, southern Asia, and North Africa which can now also be found in Australia. It is generally considered invasive and frequently grows in newly-disturbed soil.
Hardiness Zones
Hardiness Zones
11
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plant_info

Key Facts About Fern-grass

Attributes of Fern-grass

Lifespan
Annual
Plant Type
Grass
Bloom Time
Spring, Summer
Plant Height
5 cm to 20 cm
Flower Size
1 cm to 8 cm
Flower Color
Yellow
Green
Leaf type
Semi-evergreen

Scientific Classification of Fern-grass

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distribution

Distribution of Fern-grass

Habitat of Fern-grass

Sandy banks, stabilised shingle, rock outcrops, quarries, walls, pavements, railway ballast
Northern Hemisphere
South Hemisphere

Distribution Map of Fern-grass

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

Questions About Fern-grass

Watering Watering Watering
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
What should I do if I water my Fern-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 Fern-grass in short order. When Fern-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 Fern-grass has been improperly watered, the first thing to do is figure out if the problem is too much or too little. If your Fern-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 Fern-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 Fern-grass?
The watering needs of Fern-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.
Fern-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, Fern-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, Fern-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, Fern-grass will need more frequent water until it has established deep roots. For Fern-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. Fern-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 Fern-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. Fern-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 Fern-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 Fern-grass Growth and Care

Basic Care Guide
Lighting
Full sun
Fern-grass thrives in conditions where it can absorb a very large amount of sunlight throughout the day. It can also endure in conditions where sun's warmth and light are somewhat limited. Too much or too little light exposure can adversely influence the plant's healthy development.
Best Sunlight Practices
Temperature
10 43 ℃
Fern-grass is native to regions where temperatures generally range from 68 to 100.4 °F (20 to 38 ℃). It thrives in moderate to high heat, and should be protected in colder seasons to maintain vibrant growth.
Temp for Healthy Growth
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Plants Related to Fern-grass

Green foxtail
Green foxtail
Green foxtail (Setaria viridis) is a summer annual grass that is considered a weed of crops, turf, landscapes and nurseries. It produces a seed head with fringed bristles that resembles a fox’s tail. Grows in full sun and poor, disturbed soil types. Attracts a variety of insects and birds, as well as squirrels, mice and other small animals.
Bleeding heart tree
Bleeding heart tree
Bleeding heart tree (Homalanthus populifolius) is a shrub that is native to Australia’s rainforests. It earns its common name from the fact that the leaves turn deep red as they age. This tree serves as the host for the Hercules moth, the largest moth in Australia. The tree’s fruit is an important food source for native birds, including the brown cuckoo dove.
Whitebark Raspberry
Whitebark Raspberry
Whitebark Raspberry (Rubus leucodermis) is a variety of raspberry native to western North America. Grown commercially for dye, but grown in gardens for fruit or harvested in the wild, by humans and animals alike, including a wide variety of birds and mammals of all sizes. Just beware the thorns!
Rue
Rue
Rue has an extensive history with culinary uses and in literature. It is referenced in multiple historic literary works, including the bible, the writings of William Shakespeare, Milton, and others. It is most often used as a symbol or noted for its fragrance in these literary works. Rue can be used in cooking, however, due to its bitter taste, it is not commonly used.
Spiny sowthistle
Spiny sowthistle
The spiny sowthistle is considered a noxious and invasive weed in many areas. Its flowers resemble those of a dandelion and its leaves, although covered in spines, are edible. This plant can grow up to 1.8 m and sap that resembles milk will leak out of the leaves and stem if they are broken or cut.
Arabian jasmine
Arabian jasmine
Arabian jasmine has much significance in many countries around the world. It is the national flower of both the Philippines and Indonesia. It is regularly used in ceremonial costumes and decorations in Sri Lanka, while in China it is the key ingredient in Jasmine tea. Hawaiians use arabian jasmine to make fragrant leis, and in Pakistan, Bangladesh and India it is used in garlands and hair adornments.
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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Distribution
Care FAQ
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Related Plants
Fern-grass
Fern-grass
Fern-grass
Fern-grass
Fern-grass
Fern-grass
Catapodium rigidum
Also known as: Hard meadow grass, Rigid fescue
Fern-grass (Catapodium rigidum) is a type of grass from Europe, southern Asia, and North Africa which can now also be found in Australia. It is generally considered invasive and frequently grows in newly-disturbed soil.
Hardiness Zones
Hardiness Zones
11
more
plant_info

Key Facts About Fern-grass

Attributes of Fern-grass

Lifespan
Annual
Plant Type
Grass
Bloom Time
Spring, Summer
Plant Height
5 cm to 20 cm
Flower Size
1 cm to 8 cm
Flower Color
Yellow
Green
Leaf type
Semi-evergreen
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Scientific Classification of Fern-grass

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distribution

Distribution of Fern-grass

Habitat of Fern-grass

Sandy banks, stabilised shingle, rock outcrops, quarries, walls, pavements, railway ballast
Northern Hemisphere
South Hemisphere

Distribution Map of Fern-grass

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

Questions About Fern-grass

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

Basic Care Guide
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Plants Related to Fern-grass

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Lighting
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Indoor
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
Fern-grass thrives in conditions where it can absorb a very large amount of sunlight throughout the day. It can also endure in conditions where sun's warmth and light are somewhat limited. Too much or too little light exposure can adversely influence the plant's healthy development.
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
Insufficient light
Fern-grass, a plant that thrives in full sunlight, is commonly grown outdoors with ample sunlight. When cultivated indoors with inadequate light, it may exhibit subtle symptoms of light deficiency.
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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 Fern-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
Fern-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.
Excessive light
Fern-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.
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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
Indoor
Outdoor
Choose a site here for personalized care tips.
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
Fern-grass is native to regions where temperatures generally range from 68 to 100.4 °F (20 to 38 ℃). It thrives in moderate to high heat, and should be protected in colder seasons to maintain vibrant growth.
Regional wintering strategies
Fern-grass is extremely heat-loving, and any cold temperatures can cause harm to it. In the autumn, it is recommended to bring outdoor-grown Fern-grass indoors and place it near a bright window, but it should be kept at a certain distance from heaters. Maintaining temperatures above {Suitable_growth_temperature_min} during winter is beneficial for plant growth. Any temperatures approaching {Tolerable_growing_temperature_min} are detrimental to the plant.
Important Symptoms
Low Temperature
Fern-grass prefers warm temperatures and is not tolerant of low temperatures. It 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}, the leaves may lighten in color. After frost damage, the color gradually turns brown or black, and symptoms such as wilting and drooping may occur.
Solutions
Trim off the frost-damaged parts. Immediately move indoors to a warm environment for cold protection. Choose a spot near a south-facing window to place the plant, ensuring ample sunlight. Additionally, avoid placing the plant near heaters or air conditioning vents to prevent excessive dryness in the air.
High Temperature
During summer, Fern-grass should be kept below {Suitable_growth_temperature_max}. When the temperature exceeds {Tolerable_growing_temperature_max}, the color of the leaves becomes lighter, and the plant becomes more susceptible to sunburn.
Solutions
Trim away the sunburned and dried-up parts. Move the plant to a location that provides shade from the midday and afternoon sun. Water the plant in the morning and evening to keep the soil moist.
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