Xerophyllum tenax
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Xerophyllum tenax

Bear-grass · Bear-lily · Fire-lily · Indian basket-grass · Western turkey-beard

Tier 1 Difficulty: medium Water: low Light: full_sun
Temperature
5–32 °C
Soil pH
5–6
Hardiness
Zone 4–8
Click count
84
Observations
136

Description

Source: leafsnap

Xerophyllum tenax is a North American species of plants in the corn lily family. It is known by several common names, including bear grass, soap grass, quip-quip, and Indian basket grass.

Care Guide

💧 Water

Common beargrass thrives in dry conditions, showing a remarkable tolerance to drought and requiring very little moisture. Watering it once a week is usually sufficient. While it is primarily an outdoor plant that benefits from natural rainfall, it can be grown indoors as well. To successfully cultivate common beargrass indoors, ensure proper drainage to mimic its preferred arid environment.

FAQ
How should I water my Common beargrass plant?

To properly water the Common beargrass plant, it is recommended to use filtered water at room temperature. Tap water may have harmful particles, so filtered water is better. The plant is accustomed to warm environments, so avoid using cold water to prevent shocking its system. Instead of using overhead watering, which can lead to foliage issues, it is best to pour filtered room temperature water directly into the soil until it is fully soaked. This helps the roots stay moist and facilitates their spread in the soil to gather necessary nutrients.

What should I do if I give my Common beargrass too much or too little water?

Taking care of your Common beargrass requires attention to watering. Both overwatering and underwatering can harm your plant, but overwatering is more common. Overwatering causes wilting, yellowing leaves, and can lead to diseases like root rot, mold, and mildew that can kill your plant. Underwatering is less common as this plant can tolerate drought, but it can still happen, resulting in brittle, brown leaves. It's important to spot early signs of overwatering and act quickly. Reduce watering if you notice these signs and check the soil for poor drainage. Replace it with a well-draining potting mix if needed. If you suspect underwatering, simply water more regularly until the signs improve.

How often do I need to water my Common beargrass?

Determining if your Common beargrass plant needs water depends on whether it is in a pot or in the ground. For potted plants, the best way to check the soil moisture is to stick your finger into the soil. If the top two to three inches feel dry, it's time to water. The same method applies to plants grown outdoors in the ground. In general, during spring and early fall, you'll need to water once a week when the top few inches of soil have dried out. In hot weather, you may need to water twice a week or more. However, mature Common beargrass plants have a good ability to withstand drought.

How much water does my Common beargrass plant require?

When watering your Common beargrass, don't be hesitant to give it a generous amount of water. Make sure the top two to three inches of the soil are dry before watering. It's best to thoroughly soak the soil with enough water that it flows out of the drainage holes at the bottom of the pot. If you don't see excess water draining, it means you haven't watered enough. However, be careful not to let water accumulate in the soil as it can harm the plant. On the other hand, if water doesn't drain properly, it could be a sign of poorly draining soil which is harmful to the plant's health. For outdoor plants, one inch of rain per week is sufficient.

How do I water my Common beargrass when it's growing at different stages?

The water needs of the Common beargrass vary depending on its growth stages. When it's in the first few years of its life or has just been transplanted, you'll need to give it more water than usual. During these stages, the plant focuses on growing new roots to support future growth, so they require extra moisture. However, after a few seasons, the water requirement decreases. Another stage that may require more water is during the bloom period. Flower development uses a lot of moisture, so you might need to increase watering during this time.

☀️ Light Full sun

Common beargrass grows best with plenty of sunlight each day, though it can tolerate partial shade. Native to mostly open, sunny habitats, it performs best in those conditions. However, both too little and too much light can interfere with its healthy growth.

Ideal: Full sun
FAQ
What are the sunlight requirements for Common Beargrass?

Common beargrass requires a specific amount of sunlight for optimal growth. It thrives in full sun, which means it needs more than 6 hours of direct sunlight daily. However, it can also grow in partial sun, with about 3-6 hours of sunlight. It’s important to observe the movement of sunlight through your garden to find spots that offer the right balance of light and shade. This ensures that your plants get the ideal conditions for their growth and happiness.

What are the essentials for growing Common Beargrass successfully?

To grow Common beargrass successfully, it's crucial to provide it with ample exposure to light daily, as it originates from environments with mostly unobstructed sun. Despite its resilience to partially obscured light, both insufficient and excessive light can inhibit its healthy growth. In situations where natural sunlight is inadequate, especially during winter or in less sunny spaces, artificial lighting can serve as an effective alternative. Using artificial light such as LED lights, which can be customized to provide specific wavelengths, helps promote faster, healthier growth. For full sun plants, aim for 30-50W/sq ft of artificial light, 20-30W/sq ft for partial sun plants, and 10-20W/sq ft for full shade plants. It’s also important to position the light source 12-36 inches above the plant and mimic the natural daylight hours for your plant species, generally 8-12 hours per day.

What are symptoms of light deficiency or overexposure in Common Beargrass?

Symptoms of light deficiency in Common beargrass include small new leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, and lighter-colored new leaves. These indicate that the plant isn't receiving enough light. On the other hand, symptoms of overexposure to sunlight include chlorosis, where leaves lose their green color and turn yellow, sunscald characterized by damaged leaves or stems, leaf curling as a defense mechanism against excessive sunlight, wilting due to increased water loss, and leaf scorching visible as brown, dry edges on leaves. These symptoms show that the plant is getting too much sunlight.

What solutions can help manage light conditions for Common Beargrass?

Managing light conditions for Common Beargrass involves several strategies. For indoor plants, gradually move them to sunnier locations until they receive at least 6 hours of direct sunlight daily, utilizing south-facing windows and keeping curtains open during the day. If the plant is large or not easily movable, consider using artificial light, keeping a lamp on for at least 8 hours daily or investing in professional grow lights. For outdoor plants, move them gradually to sunnier spots to avoid sudden changes that could cause sunburn. If direct sunlight is obstructed, consider pruning surrounding trees or transplanting smaller plants during their dormant period to locations with better sunlight and drainage. Remember, parts of the plant affected by insufficient light may not recover, but new growth should be healthy with proper light exposure.

🌡️ Temperature 5–32.2°C

Common beargrass originates from habitats that regularly fluctuate between 41 to 89.6 °F (5 to 32 ℃). Indeed, it achieves its best growth under those conditions. Regarding seasonal shifts, if temperatures persistently stray outside this range, consider moderating them to approximate these conditions.

Ideal temperature: 5–32.2°C
FAQ
What are the ideal growing conditions for Common Beargrass?

Common Beargrass, known botanically as Xerophyllum tenax, best thrives in environments where temperatures fluctuate between 41 to 89.6 °F (5 to 32 °C). These conditions are deemed optimal for its growth, suggesting that the plant adjusts well within this temperature range. It demonstrates strong cold resistance, meaning it doesn't usually need special frost protection measures in winter. However, in places where winter temperatures plummet below -30°C, it's vital to safeguard the plant with cold protection measures by covering it with soil or straw and ensuring the soil is moist before the first freeze hits in autumn. This preparation helps avoid drought stress during the winter and early spring months.

How does Common Beargrass react to low temperatures, and what are the recommended solutions?

Common Beargrass exhibits good cold tolerance, thriving best when the temperature stays above 5°C. Throughout the winter, it's important to maintain a minimum temperature above -25°C for the plant. Exposure to temperatures below -30°C might not immediately show damage in winter, but could lead to decreased sprouting or absence of it come spring. As a solution, during spring, one should remove any parts of the plant that have failed to sprout, to promote healthier growth for the remainder of the plant.

What symptoms do high temperatures cause in Common Beargrass, and how can they be mitigated?

Common Beargrass needs to be kept below 32°C during the summer months. When the temperature rises above 35°C, the plant may show signs of stress such as leaves becoming lighter, curling, susceptibility to sunburn, and in severe cases, wilting and drying out completely. To mitigate these issues, it is recommended to trim away the damaged parts of the plant. Moving the plant to a shaded location or using a shade cloth to protect it from the midday and afternoon sun can also be beneficial. Additionally, watering the plant in the morning and evening will help keep the soil moist and support the plant's overall well-being.

💨 Humidity
Humidity:
🪴 Soil 5-6
Soil pH: 5-6
🌱 Fertilizer

For Common beargrass, the primary time to apply fertilizer is in early spring, when the flowers begin to form. The appropriate fertilizer promotes better blooms and helps Common beargrass produce attractive flowers. Fertilizing in early spring ensures strong flowering throughout the season and supplies energy for the plant’s dormant growth phases.

FAQ
Why is it necessary to fertilize my Common beargrass?

Fertilization plays a crucial role in the growth of the Common beargrass and other plants. It provides essential nutrients for both above and below ground growth. While the Common beargrass has relatively low fertilization needs, annual fertilization can greatly benefit the plant's survival and result in better, longer-lasting flowers. Therefore, those wanting their Common beargrass to thrive should prioritize regular fertilization.

When should I put fertilizer on my Common beargrass?

The best time to fertilize a Common beargrass is in the late winter to early spring when it is transitioning from dormancy to active growth. Fertilizing at this time promotes healthy growth and a strong start to the season. While it's generally recommended to fertilize in early spring, fall can also be an option. However, it's not advisable to fertilize during summer or winter.

When is the best time to not fertilize my Common beargrass?

The best time to fertilize your Common beargrass is in late winter or early spring. This plant doesn't need much fertilizer, so a single feeding per year will do. If you continue fertilizing during spring, summer, and fall, you may end up overfertilizing and causing problems. However, if you didn't fertilize in spring, it's okay to feed the plant in fall. Also, you shouldn't fertilize during winter because the plant is in a dormant phase and doesn't grow.

What kind of fertilizer does my Common beargrass require?

Any general-purpose fertilizer with balanced amounts of the three main plant nutrients can be used for Common beargrass. However, certain nutrient blends may provide even greater benefits. For example, many gardeners believe that higher levels of phosphorus lead to stronger roots and better flowers. Since Common beargrass is a flowering plant, using a phosphorus-rich fertilizer may be the most effective choice. Granular or liquid fertilizers can be used as long as they contain ample nutrients. In addition to manufactured fertilizers, organic methods like compost and manure can greatly improve the soil for Common beargrass. These materials help create a healthy growing medium for the plant.

How should I fertilize my Common beargrass?

The most common way to fertilize a Common beargrass is by applying a granular or pellet fertilizer to the soil around the plant. To ensure successful fertilization, it's important to apply the fertilizer when the plant is transitioning from its dormant phase to active growth, typically in early spring when shoots start to emerge from the soil. If you prefer using liquid fertilizer instead, make sure to dilute it with water before applying. Whether you choose granular or liquid fertilizer, it's advisable to moisten the soil before, during, and after application.

🪴 Pot & Repot 2-3 years

When repotting Common beargrass, select a container 1-2 inches (2.5–5.1 cm) larger with good drainage. Use a well-draining potting mix. Repot in spring or fall, placing the root ball slightly below the pot rim. Water thoroughly after repotting and position it in a warm spot with indirect sunlight.

Suggested frequency: 2-3 years
✂️ Pruning

Common beargrass is characterized by its tall, grass-like foliage. To keep it healthy and attractive, it's best to prune it in early spring or late winter. Be sure to remove any damaged leaves, as this will improve growth and air circulation. However, take care not to cut into the living crown, as this can cause harm to the plant. With regular care and maintenance, you can enhance its visual appeal and reduce the risk of disease.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Xerophyllum
Family
Melanthiaceae
Hardiness Zone
4-8
Mature Height
0.15 m to 1.52 m
Mature Spread
30 cm to 46 cm
Leaf Color
Green, Blue
Leaf Type
Evergreen
Flower Color
White, Cream
Flower Size
2.54 cm
Bloom Time
Early summer, Mid summer
Planting Time
Spring
Harvest Time
Late summer, Early fall

Tags (6)

Common Names (10)

en Bear-grass
en Bear-lily
en Fire-lily
en Indian basket-grass
en Western turkey-beard
en Elk-grass
en Common beargrass
en Western Turkeybeard
en Basket-grass
en Indian basketgrass