Marjoram vs Monkey Grass Plant Comparison

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

Marjoram

Marjoram

Origanum majorana

VS
Monkey Grass

Monkey Grass

Liriope muscari

Marjoram

Marjoram

Origanum majorana

Marjoram is a perennial herb, though often grown as an annual, reaching about 1-2 feet in height. It features small, oval, grayish-green leaves and tiny white or pale pink flowers that bloom in summer. It has a bushy growth habit. Primarily an outdoor plant, it is cultivated for its aromatic leaves, which are used as a culinary herb. While it can be grown indoors, it requires very specific conditions to thrive. People grow it for its flavor and fragrance.

Lamiaceae Mediterranean region, North Africa, Western Asia
✨ Features: Aromatic leaves used for culinary purposes
📖 Read Complete Marjoram 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 Marjoram Monkey Grass
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun to partial shade outdoors. Requires very bright, direct light if attempted indoors.
Watering Every 5-7 days outdoors, every 7-10 days indoors, depending on light and temperature 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 30-50% 40-60%
Temperature 18-24°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Moderate; Can Spread Via Rhizomes.
Max Height 0.3-0.6 meters (1-2 feet) indoors Outdoors: 30-45 cm. Indoors (unlikely to thrive): 20-30cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of potting soil, perlite, and sand Well-draining soil; sandy loam is ideal. Avoid heavy clay soils.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 10 minutes weekly (mostly weeding around the plant)

🔬 Botanical Information — Comparing These Plants

Marjoram

Scientific Name Origanum majorana
Family Lamiaceae
Native To Mediterranean region, North Africa, Western Asia
Also Known As Sweet Marjoram, Knotted Marjoram
Leaves The leaves are small, oval, and grayish-green in color. They have a slightly fuzzy texture and a distinct aroma when crushed.
Flowers Marjoram produces small, white or pale pink flowers in the summer. It may flower indoors under ideal conditions, but it is not guaranteed.

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

Marjoram

Height 0.3-0.6 meters (1-2 feet) indoors
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern Marjoram grows as a bushy, upright plant. It tends to become leggy if not pruned regularly.

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

Marjoram

Methods: Stem cuttings, Seed, Division

Difficulty: Easy

Tips: For stem cuttings, take 4-6 inch cuttings from new growth, remove lower leaves, and place in water or moist soil. For seeds, sow indoors 6-8 weeks before the last frost. Division can be done in spring or fall.

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

Marjoram

Marjoram is known for its sweet, floral aroma and flavor, which is milder than oregano. It is a versatile herb used in a variety of culinary dishes.

  • ✓ Fresh herbs for cooking
  • ✓ Aromatic fragrance
  • ✓ Can be used in teas and aromatherapy
  • ✓ Attractive foliage
  • ✓ Can be grown in containers
  • ⚠️ 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

Marjoram

Repotting Repot annually in spring if grown in a container.
Pruning Pinch back stems regularly to encourage bushier growth. Prune after flowering to prevent legginess.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring and summer)
Seasonal Care In winter, reduce watering and provide supplemental light if needed. In summer, ensure adequate ventilation and avoid scorching in intense heat. Prune after flowering to encourage bushier growth.

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

Marjoram

Full sun (at least 6-8 hours of direct sunlight daily)

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

Marjoram

Water thoroughly when the top inch of soil feels dry to the touch. Avoid overwatering, as this can lead to root rot. Allow excess water to drain away. Signs of overwatering include yellowing leaves and a musty smell. Underwatered plants will have wilting leaves.

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

Marjoram

Temperature: 18-24°C

Humidity: 30-50%

Monkey Grass

Temperature: 15-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Marjoram

Marjoram

Origanum majorana
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who want to grow herbs indoors and can provide the necessary light and care.

✅ Choose This Plant If...

  • You want to grow your own culinary herbs indoors
  • You have a very sunny location or can provide supplemental lighting
  • You enjoy the aroma of marjoram
  • You are an experienced gardener looking for a challenge
  • You want to use fresh marjoram in your cooking.

❌ Skip This Plant If...

  • You have pets that might ingest the plant
  • You cannot provide adequate sunlight or supplemental lighting
  • You are a beginner gardener
  • You tend to overwater plants.
📍 Ideal Location: South-facing windowsill with supplemental lighting
🎨 Style: Cottage, Herb Garden, Mediterranean
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Marjoram contains volatile oils that can cause gastrointestinal upset in dogs, cats, and horses. Symptoms include vomiting and diarrhea. Contact your veterinarian immediately if you suspect your pet has ingested any part of the plant.
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

📈

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

💡 Pro Tips For Comparing These Plants

Marjoram Care Tips

Marjoram is primarily an outdoor plant that requires full sun and well-draining soil. Growing it indoors is challenging due to its high light requirements. Supplemental lighting is often necessary. Overwatering is a common problem indoors. It is also toxic to pets.

  • Provide at least 6-8 hours of direct sunlight or strong supplemental lighting
  • Use well-draining soil to prevent root rot
  • Water only when the top inch of soil is dry
  • Pinch back stems regularly to encourage bushier growth
  • Fertilize every 4-6 weeks during the growing season.
❄️ Winter: Reduce watering during the winter months. Provide supplemental light if needed. Protect from frost if grown outdoors.
☀️ Summer: Ensure adequate ventilation to prevent fungal diseases. Avoid scorching in intense heat. Water more frequently during hot, dry periods.

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

Marjoram

Common Issues: Root rot, Spider mites, Aphids, Leggy growth
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Increase humidity and treat with insecticidal soap. Aphids: Wash off with water or treat with insecticidal soap. Leggy growth: Provide more light and prune regularly.

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

Marjoram

What are the light requirements for Marjoram?

Marjoram requires ample sunlight to thrive and produce its flavorful leaves and flowers. Aim for at least 6 hours of direct sunlight per day. Indoors, a south-facing window is ideal. If natural light is insufficient, supplement with a grow light for 12-14 hours daily. Insufficient light can result in leggy growth, pale leaves, and reduced flowering.

How do I care for Marjoram?

Marjoram thrives with consistent care. Provide at least 6 hours of direct sunlight daily, ideally in a south-facing window indoors or a sunny spot outdoors. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength, or a fertilizer designed to promote blooming.

How do I propagate Marjoram?

Marjoram can be easily propagated through stem cuttings or division. For stem cuttings, take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and place the cutting in water or directly into moist potting mix. Keep the cutting in a warm, humid environment until roots develop, usually within 2-3 weeks.

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.