Monkey Grass vs Purple Leaf Plum Plant Comparison

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

Monkey Grass

Monkey Grass

Liriope muscari

VS
Purple Leaf Plum

Purple Leaf Plum

Prunus cerasifera

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
Purple Leaf Plum

Purple Leaf Plum

Prunus cerasifera

The Purple Leaf Plum is a deciduous tree known for its striking purple foliage that persists throughout the growing season. It typically reaches a height of 15-25 feet with a similar spread. In spring, it produces delicate pink or white flowers before the leaves emerge. While primarily an outdoor ornamental tree valued for its vibrant color and spring blossoms, it is not suited for indoor cultivation due to its size and high light requirements.

Rosaceae Southwest Asia and Southeast Europe
✨ Features: Distinctive purple foliage, spring flowers, ornamental value
📖 Read Complete Purple Leaf Plum Guide

Quick Plant Comparison

Feature Monkey Grass Purple Leaf Plum
Light Full sun to partial shade outdoors. Requires very bright, direct light if attempted indoors. Full sun (at least 6 hours of direct sunlight per day)
Watering 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. Once or twice a week during the growing season, less frequently in winter, depending on rainfall and soil drainage.
Humidity 40-60% 30-50%
Temperature 15-27°C 10-27°C
Care Level Expert Expert
Growth Rate Moderate; Can Spread Via Rhizomes. Moderate
Max Height Outdoors: 30-45 cm. Indoors (unlikely to thrive): 20-30cm N/A (Outdoor tree, not suitable for indoor growing)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil; sandy loam is ideal. Avoid heavy clay soils. Well-draining soil, such as a mix of loam, sand, and compost. Slightly acidic to neutral pH (6.0-7.0) is preferred.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 10 minutes weekly (mostly weeding around the plant) 30 minutes monthly (pruning, fertilizing, pest control)

🔬 Botanical Information — Comparing These Plants

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.

Purple Leaf Plum

Scientific Name Prunus cerasifera
Family Rosaceae
Native To Southwest Asia and Southeast Europe
Also Known As Purple Leaf Plum, Cherry Plum, Myrobalan Plum
Leaves Alternate, simple leaves with an ovate shape and serrated margins. The leaves are typically 2-3 inches long and exhibit a deep purple color that persists throughout the growing season.
Flowers Produces small, single, pink or white flowers in early spring before the leaves emerge. The flowers are about 1 inch in diameter and are borne in clusters.

📏 Size & Growth — Plant Comparison

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.

Purple Leaf Plum

Height N/A (Outdoor tree, not suitable for indoor growing)
Spread N/A (Outdoor tree, not suitable for indoor growing)
Growth Rate Moderate
Growth Pattern Upright, spreading tree with a rounded crown. It typically reaches a height of 15-25 feet with a similar spread.

🌱 Propagation — Comparing Plant Growth

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.

Purple Leaf Plum

Methods: Stem cuttings, grafting, seed

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late spring or early summer. Grafting is often used to propagate specific cultivars. Seed propagation requires stratification.

✨ Benefits & Features — Comparing Plant Value

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

Purple Leaf Plum

The Purple Leaf Plum is distinguished by its striking purple foliage, which sets it apart from other ornamental trees. Its early spring blossoms add to its ornamental appeal.

  • ✓ Adds visual interest with its purple foliage.
  • ✓ Provides early spring blossoms, attracting pollinators.
  • ✓ Offers shade during the summer months.
  • ✓ Enhances the aesthetic appeal of the landscape.
  • ✓ Relatively low-maintenance once established.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

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.

Purple Leaf Plum

Repotting N/A (Outdoor tree, not suitable for indoor growing)
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Shape the tree to maintain a desired form.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring before new growth emerges. Follow package instructions for application rates.
Seasonal Care In winter, protect young trees from frost damage. In spring, fertilize and prune. Monitor for pests and diseases throughout the growing season. Provide adequate water during dry periods.

🌞 Light Requirements

Monkey Grass

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

Low light tolerant: ❌ No

Purple Leaf Plum

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

💧 Watering Needs

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.

Purple Leaf Plum

Water deeply when the top few inches of soil are dry. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and leaf drop. Established trees are relatively drought-tolerant.

🌡️ Temperature & Humidity

Monkey Grass

Temperature: 15-27°C

Humidity: 40-60%

Purple Leaf Plum

Temperature: 10-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

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.
Purple Leaf Plum

Purple Leaf Plum

Prunus cerasifera
Care: Expert Time: 30 minutes monthly (pruning, fertilizing, pest control) Beginner: No

Gardeners looking for a visually striking ornamental tree with vibrant purple foliage and spring blossoms.

✅ Choose This Plant If...

  • You want a tree with striking purple foliage that lasts all season.
  • You desire a tree that provides early spring blossoms.
  • You need a tree that is relatively low-maintenance once established.
  • You want to add a unique color accent to your landscape.
  • You have a sunny location with well-drained soil.

❌ Skip This Plant If...

  • You have limited space, as this is a large tree.
  • You have pets that might ingest the toxic parts of the plant.
  • You are looking for a fruit-bearing tree with highly palatable fruit.
📍 Ideal Location: Outdoor garden or landscape with full sun exposure
🎨 Style: Cottage, Traditional, Mediterranean
🏠 Apartment Friendly: No
⚠️ All parts of the Purple Leaf Plum, except for the fleshy part of the fruit, contain cyanogenic glycosides, which can be toxic to dogs, cats, and horses. Symptoms include difficulty breathing, dilated pupils, and vomiting. The pits are especially dangerous.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Monkey Grass has moderate; can spread via rhizomes. growth, while Purple Leaf Plum grows moderate.

💡 Pro Tips For Comparing These Plants

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.

Purple Leaf Plum Care Tips

Purple Leaf Plum is an outdoor tree that requires full sun and well-drained soil. It is not suitable for indoor cultivation. Regular pruning is needed to maintain its shape and remove dead or diseased branches. Monitor for pests and diseases.

  • Plant in well-draining soil to prevent root rot.
  • Provide full sun for optimal foliage color.
  • Prune regularly to maintain shape and remove dead or diseased branches.
  • Monitor for pests and diseases and treat promptly.
  • Water deeply during dry periods, especially when the tree is young.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap. Reduce watering during the dormant season. Mulch around the base of the tree to insulate the roots.
☀️ Summer: Water deeply during dry periods. Monitor for pests and diseases and treat promptly. Provide shade for young trees during the hottest part of the day.

⚠️ Common Problems & Solutions — Plant Care Comparison

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.

Purple Leaf Plum

Common Issues: Aphids, spider mites, bacterial leaf spot, plum curculio
Solutions: Treat aphids and spider mites with insecticidal soap or neem oil. Prune affected branches to improve air circulation and prevent the spread of bacterial leaf spot. Use appropriate insecticides to control plum curculio.

❓ Frequently Asked Questions — Comparing These Plants

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.

Purple Leaf Plum

What are the light requirements for Purple Leaf Plum?

Purple Leaf Plum trees thrive in bright, indirect light indoors. Insufficient light can lead to faded leaf color and stunted growth. Aim for at least six hours of bright, indirect sunlight per day. A south-facing window with a sheer curtain to diffuse the light is ideal.

How do I care for Purple Leaf Plum?

To successfully grow a Purple Leaf Plum indoors, provide bright, indirect light, ideally near a south-facing window. Water thoroughly when the top inch of soil is dry, ensuring good drainage to prevent root rot. Use a well-draining potting mix and a pot that is appropriately sized for the root system.

How do I propagate Purple Leaf Plum?

Purple Leaf Plum can be propagated through stem cuttings or air layering.

Last updated: May 3, 2026 — Plant care data reviewed and verified by our editorial team.