Horsetail vs Monkey Grass Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Horsetail

Horsetail

Equisetum hyemale

VS
Monkey Grass

Monkey Grass

Liriope muscari

Horsetail

Horsetail

Equisetum hyemale

Horsetail (Equisetum hyemale) is a primitive, non-flowering plant characterized by its jointed, hollow, bamboo-like stems. It lacks true leaves; instead, it has tiny, scale-like sheaths at each joint. This plant spreads aggressively via rhizomes, forming dense colonies. It is primarily an outdoor plant, thriving in moist environments like stream banks and ditches. People grow it for its unique architectural appearance in water gardens or as a ground cover in specific landscape designs. Indoor cultivation is challenging due to its high moisture and light requirements and aggressive growth habit.

Equisetaceae North America, Europe, Asia
✨ Features: Unique architectural appearance; prehistoric plant lineage.
📖 Read Complete Horsetail Guide
Monkey Grass

Monkey Grass

Liriope muscari

Liriope muscari, commonly known as lilyturf or monkey grass, is a grass-like perennial often used as a ground cover or border plant. It features clumps of arching, strap-like, dark green leaves. While it resembles grass, it's not a true grass. It produces spikes of small, lavender to purple flowers in late summer, followed by blackish berries. Primarily an outdoor plant, it's valued for its low maintenance, drought tolerance, and ability to suppress weeds. It's rarely grown indoors due to its need for bright light and outdoor conditions.

Asparagaceae East Asia (China, Japan, Korea)
✨ Features: Drought tolerant, weed suppressing, erosion control.
📖 Read Complete Monkey Grass Guide

Quick Plant Comparison

Feature Horsetail Monkey Grass
Light Full sun to partial shade outdoors. Requires very bright, direct light indoors, which is difficult to provide. Full sun to partial shade outdoors. Requires very bright, direct light if attempted indoors.
Watering Daily to every other day, depending on environmental conditions and pot size. Soil should never dry out completely. Outdoors: Every 7-14 days, depending on rainfall and temperature. Indoors (if attempted): Every 7-10 days, allowing the soil to dry slightly between waterings.
Humidity 60-90% 40-60%
Temperature 10-27°C 15-27°C
Care Level Expert Expert
Growth Rate Fast Moderate; Can Spread Via Rhizomes.
Max Height Outdoors: 0.6-1.5 meters; Indoors: 0.3-0.9 meters (difficult to achieve) Outdoors: 30-45 cm. Indoors (unlikely to thrive): 20-30cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Heavy, moisture-retentive soil; clay or loam amended with organic matter. Can tolerate boggy conditions. Well-draining soil; sandy loam is ideal. Avoid heavy clay soils.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (primarily for watering and containment) 10 minutes weekly (mostly weeding around the plant)

🔬 Botanical Information — Comparing These Plants

Horsetail

Scientific Name Equisetum hyemale
Family Equisetaceae
Native To North America, Europe, Asia
Also Known As Horsetail, Scouring Rush, Rough Horsetail, Snake Grass, Puzzlegrass
Leaves Lacks true leaves. Instead, it has small, scale-like sheaths that encircle the stem at each joint. The sheaths are typically dark green or brown.
Flowers Does not flower. Reproduces via spores produced in cone-like structures called strobili, which appear at the tips of some stems.

Monkey Grass

Scientific Name Liriope muscari
Family Asparagaceae
Native To East Asia (China, Japan, Korea)
Also Known As Lilyturf, Border Grass
Leaves Strap-like, linear leaves, typically dark green in color. Can be variegated in some cultivars. Leaves are typically 20-40 cm long and 1-2 cm wide.
Flowers Produces spikes of small, lavender to purple flowers in late summer. Flowering is rare and less pronounced when grown indoors.

📏 Size & Growth — Plant Comparison

Horsetail

Height Outdoors: 0.6-1.5 meters; Indoors: 0.3-0.9 meters (difficult to achieve)
Spread Aggressively spreads via rhizomes, forming dense colonies. Can spread indefinitely if not contained.
Growth Rate Fast
Growth Pattern Upright, clumping growth habit. Spreads aggressively via underground rhizomes, forming dense colonies.

Monkey Grass

Height Outdoors: 30-45 cm. Indoors (unlikely to thrive): 20-30cm
Spread 30-60 cm; spreads via rhizomes, potentially becoming aggressive.
Growth Rate Moderate; Can Spread Via Rhizomes.
Growth Pattern Forms dense clumps of arching, strap-like leaves. Spreads via rhizomes, forming a ground cover.

🌱 Propagation — Comparing Plant Growth

Horsetail

Methods: Division, Rhizome cuttings, Spores (difficult)

Difficulty: Easy

Tips: Divide rhizomes in spring or fall. Ensure each division has several healthy stems and roots. Plant in moist soil and keep well-watered. Rhizome cuttings can be taken and rooted in water or directly in soil.

Monkey Grass

Methods: Division, Seed

Difficulty: Easy

Tips: Division is best done in spring or fall. Dig up a clump and separate the rhizomes, ensuring each division has roots and leaves. Plant the divisions in well-draining soil.

✨ Benefits & Features — Comparing Plant Value

Horsetail

Horsetail is a living fossil, representing one of the oldest plant lineages on Earth. Its unique, jointed stems and lack of true leaves give it a distinctive architectural appearance.

  • ✓ Unique architectural element in the landscape
  • ✓ Adds a prehistoric touch to gardens
  • ✓ Can be used for erosion control in wet areas
  • ✓ Provides habitat for certain insects
  • ✓ Visually striking vertical accent.
  • ⚠️ Toxic to pets

Monkey Grass

It is a grass-like perennial that is not a true grass. It produces attractive flower spikes and berries. It is drought-tolerant and relatively low-maintenance once established.

  • ✓ Erosion control on slopes.
  • ✓ Low maintenance ground cover.
  • ✓ Weed suppression in garden beds.
  • ✓ Drought tolerance once established.
  • ✓ Provides visual interest with its foliage and flowers.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Horsetail

Repotting Repot annually if grown in containers to manage rhizome growth. Use a large, heavy pot to help contain the plant.
Pruning Cut back dead or damaged stems as needed. Prune to control spread if necessary.
Fertilizing Light feeding with a balanced liquid fertilizer (10-10-10) diluted to half strength, once a month during the growing season (spring/summer).
Seasonal Care In winter, stems may die back in colder climates; cut back dead stems in spring. Ensure adequate moisture year-round, even during dormancy.

Monkey Grass

Repotting Not applicable for outdoor planting. If grown indoors (not recommended), repot every 1-2 years to refresh the soil and control spread.
Pruning Prune back dead or damaged foliage in early spring. Mow or shear back in late winter to encourage fresh growth.
Fertilizing Slow-release fertilizer in spring. A balanced fertilizer (10-10-10) can be applied at half strength.
Seasonal Care Spring: Fertilize. Summer: Monitor for pests and water during dry spells. Fall: Divide if needed. Winter: Dormant; reduce watering.

🌞 Light Requirements

Horsetail

Full sun to partial shade outdoors. Requires very bright, direct light indoors, which is difficult to provide.

Low light tolerant: ❌ No

Monkey Grass

Full sun to partial shade outdoors. Requires very bright, direct light if attempted indoors.

Low light tolerant: ❌ No

💧 Watering Needs

Horsetail

Keep soil consistently moist to wet. Horsetail thrives in boggy conditions. Overwatering is not usually a concern. Underwatering will cause the stems to turn brown and dry out. Ensure good drainage if grown in containers to prevent root rot in less-than-ideal conditions.

Monkey Grass

Water thoroughly when the top inch of soil is dry. Overwatering can lead to root rot, especially in poorly draining soil. Underwatering will cause the leaves to brown and droop. Ensure good drainage.

🌡️ Temperature & Humidity

Horsetail

Temperature: 10-27°C

Humidity: 60-90%

Monkey Grass

Temperature: 15-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Horsetail

Horsetail

Equisetum hyemale
Care: Expert Time: 30 minutes weekly (primarily for watering and containment) Beginner: No

Experienced gardeners looking for a unique architectural plant for water gardens or controlled outdoor landscapes.

✅ Choose This Plant If...

  • You want a unique, prehistoric-looking plant for a water garden
  • You have a consistently wet area in your landscape where other plants struggle
  • You are an experienced gardener looking for a challenging plant to grow indoors
  • You appreciate the architectural form and vertical lines of the plant
  • You are prepared to contain its aggressive spreading habit.

❌ Skip This Plant If...

  • You have pets that may ingest the plant
  • You are looking for an easy-to-care-for indoor plant
  • You do not have a suitable outdoor location with consistently moist soil
  • You are concerned about aggressive spreading
  • You cannot provide the high light and humidity levels required for indoor growth.
📍 Ideal Location: Outdoors: Water garden, bog garden, or contained area with consistently moist soil. Indoors: Very bright, sunny window with high humidity (difficult to achieve).
🎨 Style: Modern, Minimalist, Zen
🏠 Apartment Friendly: No
⚠️ Horsetail contains thiaminase, an enzyme that can deplete thiamine (vitamin B1) in animals, especially horses. Symptoms include incoordination, weakness, and neurological issues. Toxic to horses, dogs, and cats. All parts of the plant are toxic.
Monkey Grass

Monkey Grass

Liriope muscari
Care: Expert Time: 10 minutes weekly (mostly weeding around the plant) Beginner: No

Gardeners seeking a low-maintenance ground cover or border plant in outdoor landscapes.

✅ Choose This Plant If...

  • You need a low-maintenance ground cover for your garden.
  • You want to control erosion on a slope.
  • You need a plant that is drought-tolerant once established.
  • You want to suppress weeds in your garden beds.
  • You need a plant that tolerates partial shade.

❌ Skip This Plant If...

  • You have pets that might ingest it, as it is toxic.
  • You are looking for an easy indoor plant, as it is challenging to grow indoors.
  • You have limited space, as it can spread aggressively.
📍 Ideal Location: Outdoors: Garden beds, borders, slopes. Indoors (not recommended): Brightest possible location, such as a south-facing window.
🎨 Style: Traditional, Cottage, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Liriope muscari is toxic to dogs, cats, and horses. The steroidal saponins present in the plant can cause vomiting, diarrhea, and abdominal pain if ingested.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Horsetail has fast growth, while Monkey Grass grows moderate; can spread via rhizomes..

💡 Pro Tips For Comparing These Plants

Horsetail Care Tips

Horsetail is primarily an outdoor plant that requires consistently moist to wet conditions and full sun. Indoor cultivation is very challenging due to the need for high humidity, intense light, and containment to prevent aggressive spreading. It is also toxic to pets.

  • Use a heavy pot or container to restrict rhizome spread.
  • Provide consistently moist to wet soil conditions.
  • Ensure adequate drainage to prevent root rot in containers.
  • Supplement with artificial light if growing indoors.
  • Monitor for signs of thiamine deficiency in pets if they have access to the plant.
❄️ Winter: In colder climates, the above-ground stems may die back. Cut back dead stems in spring. Ensure adequate moisture during dormancy.
☀️ Summer: Ensure consistently moist soil. Provide shade during the hottest part of the day in very hot climates to prevent scorching.

Monkey Grass Care Tips

Liriope muscari is primarily an outdoor plant. Indoor cultivation is challenging due to its high light requirements and need for well-draining soil. It can be aggressive, spreading via rhizomes. Toxicity to pets is a significant concern.

  • Plant in well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize in spring with a slow-release fertilizer.
  • Divide clumps every few years to control spread and rejuvenate the plant.
  • Monitor for pests and diseases, and treat promptly.
❄️ Winter: Dormant in winter. Reduce watering. Protect from extreme cold in colder climates.
☀️ Summer: Water regularly during dry spells. Monitor for pests and diseases. Provide shade during the hottest part of the day in extremely hot climates.

⚠️ Common Problems & Solutions — Plant Care Comparison

Horsetail

Common Issues: Spreading aggressively, Thiamine deficiency in animals if ingested, Browning stems, Fungal diseases in humid conditions.
Solutions: Use physical barriers to contain spread. Prevent pets from accessing the plant. Ensure adequate light and humidity. Treat fungal diseases with appropriate fungicides.

Monkey Grass

Common Issues: Root rot, Crown rot, Anthracnose, Spider mites
Solutions: Root rot: Improve drainage, reduce watering frequency. Crown rot: Remove affected foliage, apply fungicide. Anthracnose: Remove infected leaves, apply fungicide. Spider mites: Insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Horsetail

What are the light requirements for Horsetail?

Horsetail ferns prefer bright, indirect light. Direct sunlight can scorch their delicate stems. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work, but the growth may be slower. If growing outdoors, provide shade during the hottest part of the day. Insufficient light can lead to weak, leggy growth. Observe the plant’s appearance; if the stems are pale or thin, it may need more light. Filtered sunlight through a sheer curtain is a good option for protecting the plant from harsh rays. Rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Horsetail?

Horsetail ferns thrive in consistently moist conditions and high humidity. Provide bright, indirect light to prevent scorching. Water frequently, keeping the soil consistently damp but not waterlogged. A well-draining potting mix is crucial to prevent root rot. Fertilize sparingly with a diluted liquid fertilizer during the growing season (spring and summer). Horsetails can be invasive, so consider growing them in containers to control their spread. Regular trimming of dead or damaged stems will maintain their appearance. Provide adequate drainage to prevent water from sitting at the base of the plant. Maintain temperatures between 60-75°F (15-24°C). Ensure good air circulation to prevent fungal diseases. Repot every 1-2 years, or as needed, into a slightly larger pot.

How do I propagate Horsetail?

Horsetail ferns are most easily propagated by division. Carefully separate the rhizomes (underground stems) in early spring or fall. Ensure each division has healthy stems and roots. Plant the divisions in a well-draining potting mix and keep them consistently moist. Alternatively, horsetails can be propagated by spores, but this is a more challenging process. Collect spores from the fertile stems and sow them on a sterile growing medium. Maintain high humidity and indirect light. Spore propagation requires patience and careful monitoring. Division is the most reliable and straightforward method for propagating horsetails at home. Water the divisions thoroughly after planting.

Monkey Grass

What are the light requirements for Monkey Grass?

Monkey Grass thrives in bright, indirect light. While it can tolerate some shade, too little light can lead to leggy growth and reduced vibrancy. Avoid direct sunlight, especially during the hottest parts of the day, as it can scorch the leaves. East-facing windows are ideal, providing gentle morning light. North-facing windows can also work if the light is sufficient. If you notice the leaves fading or stretching towards the light source, move the plant to a brighter location. Consider using grow lights if natural light is insufficient, especially during winter months. Rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Monkey Grass?

Monkey Grass is relatively easy to care for. Provide bright, indirect light for optimal growth. Water regularly, keeping the soil consistently moist but not waterlogged. Ensure good drainage to prevent root rot. Fertilize lightly during the growing season (spring and summer) with a balanced liquid fertilizer. Prune away any dead or damaged foliage to maintain its appearance and encourage new growth. Monkey Grass prefers temperatures between 60-75°F (15-24°C) and appreciates high humidity. Mist the foliage regularly or use a humidifier to increase humidity levels, especially in dry environments. Repot every 2-3 years as needed, using a well-draining potting mix.

How do I propagate Monkey Grass?

Monkey Grass can be propagated through division, stem cuttings, and air layering.

Last updated: April 21, 2026 — Plant care data reviewed and verified by our editorial team.