Lima Bean vs Monkey Grass Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Lima Bean
Phaseolus lunatus
The lima bean (Phaseolus lunatus) is a legume grown for its edible seeds or beans. It is a herbaceous annual vine, typically grown outdoors in gardens or fields. It features trifoliate leaves and produces pods containing the characteristic lima beans. While it can be technically grown indoors, it requires very specific and intense lighting conditions to thrive and produce beans. People grow lima beans primarily for food, as the beans are a good source of protein and fiber. It is not typically grown as an ornamental indoor plant.
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.
Quick Plant Comparison
| Feature | Lima Bean | 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 | 2-3 times per week outdoors, depending on weather conditions | 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 | 40-60% | 40-60% |
| Temperature | 20-27°C | 15-27°C |
| Care Level | Expert | Expert |
| Growth Rate | Fast | Moderate; Can Spread Via Rhizomes. |
| Max Height | Outdoors: 2-4 meters (vine length). Indoors: Highly variable and difficult to achieve significant growth. | Outdoors: 30-45 cm. Indoors (unlikely to thrive): 20-30cm |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Well-draining loamy soil | Well-draining soil; sandy loam is ideal. Avoid heavy clay soils. |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 30 minutes weekly outdoors during growing season. | 10 minutes weekly (mostly weeding around the plant) |
🔬 Botanical Information — Comparing These Plants
Lima Bean
| Scientific Name | Phaseolus lunatus |
|---|---|
| Family | Fabaceae |
| Native To | South America (Andes) and Central America |
| Also Known As | Lima bean, Butter bean, Sieva bean, Madagascar bean |
| Leaves | Trifoliate leaves, meaning each leaf is composed of three leaflets. The leaflets are typically oval-shaped and green. |
| Flowers | Small, pea-like flowers that are typically white or pale yellow. Flowering occurs outdoors during the growing season, but is unlikely indoors. |
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
Lima Bean
Monkey Grass
🌱 Propagation — Comparing Plant Growth
Lima Bean
Methods: Seed
Difficulty: Easy
Tips: Soak seeds in water for 24 hours before planting. Plant in well-draining soil and keep moist until germination.
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
Lima Bean
Lima beans are known for their distinctive flavor and texture. They are also a good source of nutrients and can help improve soil quality.
- ✓ Provides fresh, homegrown food.
- ✓ Improves soil quality through nitrogen fixation.
- ✓ Adds vertical interest to the garden.
- ✓ Offers a sense of accomplishment from growing your own food.
- ✓ Provides a healthy source of protein and fiber.
- ⚠️ 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
Lima Bean
Monkey Grass
🌞 Light Requirements
Lima Bean
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
Lima Bean
Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage.
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
Lima Bean
Temperature: 20-27°C
Humidity: 40-60%
Monkey Grass
Temperature: 15-27°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Lima Bean
Phaseolus lunatusGardeners with outdoor space who want to grow their own beans.
✅ Choose This Plant If...
- You have a sunny outdoor garden and want to grow your own food.
- You enjoy the taste of fresh lima beans.
- You want a plant that can help improve soil quality through nitrogen fixation.
- You are looking for a climbing vine to add vertical interest to your garden.
- You are experienced with growing vegetables and want a new challenge.
❌ Skip This Plant If...
- You have limited outdoor space.
- You have pets that might ingest the plant.
- You are looking for a low-maintenance indoor plant.
- You don't have access to adequate sunlight.
- You are a beginner gardener.
Monkey Grass
Liriope muscariGardeners 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.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Lima Bean has fast growth, while Monkey Grass grows moderate; can spread via rhizomes..
💡 Pro Tips For Comparing These Plants
Lima Bean Care Tips
Lima beans are primarily outdoor plants. Growing them indoors is challenging due to the high light requirements and space needed for the vine. They are also toxic to pets. Indoor cultivation requires supplemental lighting and careful monitoring of soil moisture and humidity. Bean production indoors is unlikely.
- Soak seeds before planting to improve germination rates.
- Provide a trellis or other support for the vines to climb.
- Water deeply and regularly, especially during hot weather.
- Fertilize monthly during the growing season.
- Monitor for pests and diseases and treat promptly.
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.
⚠️ Common Problems & Solutions — Plant Care Comparison
Lima Bean
Monkey Grass
❓ Frequently Asked Questions — Comparing These Plants
Lima Bean
What are the light requirements for Lima Bean?
Lima beans require at least 6-8 hours of direct sunlight daily to thrive and produce abundant flowers and beans. A south-facing location is ideal, providing maximum sun exposure. If grown indoors, place the plants near a sunny window or supplement with grow lights. Insufficient light can result in leggy growth, reduced flowering, and poor bean production. Rotate the plants regularly to ensure even light exposure on all sides. Monitor the foliage for signs of sunburn, such as bleached or brown spots, and adjust placement accordingly. During periods of intense heat, provide some afternoon shade to prevent stress. The intensity and duration of light significantly impact the plant’s overall health and productivity. Consistent light exposure is crucial for optimal growth and flowering.
How do I care for Lima Bean?
Lima beans thrive in warm climates with plenty of sunshine. Plant them in well-draining soil rich in organic matter. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Provide a trellis or support structure for the vines to climb. Fertilize every few weeks with a balanced fertilizer, switching to a bloom-boosting formula once flowering begins. Monitor for pests such as aphids and bean beetles, and address infestations promptly with insecticidal soap or neem oil. Regularly prune the vines to encourage bushier growth and more abundant flowering. Harvest the beans when they are young and tender, if desired. Ensure adequate air circulation to prevent fungal diseases. Mulch around the base of the plants to retain moisture and suppress weeds. Protect young plants from frost. Provide consistent care throughout the growing season for optimal flowering and bean production. Rotate crops yearly to prevent soilborne diseases.
How do I propagate Lima Bean?
Lima beans are typically propagated by seed. However, stem cuttings can be used, though success rates are lower.
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 29, 2026 — Plant care data reviewed and verified by our editorial team.