Lemon Grass vs Lima Bean Plant Comparison

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

Lemon Grass

Lemon Grass

Cymbopogon citratus

VS
Lima Bean

Lima Bean

Phaseolus lunatus

Lemon Grass

Lemon Grass

Cymbopogon citratus

Lemon Grass is a tall, perennial grass characterized by its fragrant, lemon-scented leaves and stalks. It typically grows in dense clumps, reaching heights of up to 1.8 meters (6 feet) outdoors. The plant is primarily cultivated for culinary and medicinal purposes, with its stalks and leaves used to flavor dishes, teas, and herbal remedies. While it can be grown indoors, it requires very bright light and may not thrive as well as it does outdoors. People grow it for its unique flavor and aroma, as well as its potential health benefits.

Poaceae Southeast Asia (India, Sri Lanka, Malaysia, Thailand)
✨ Features: Aromatic leaves, culinary uses, potential medicinal properties
📖 Read Complete Lemon Grass Guide
Lima Bean

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.

Fabaceae South America (Andes) and Central America
✨ Features: Edible beans, nitrogen-fixing properties in the soil.
📖 Read Complete Lima Bean Guide

Quick Plant Comparison

Feature Lemon Grass Lima Bean
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 2-3 days during the growing season, less frequently in winter (every 7-10 days) 2-3 times per week outdoors, depending on weather conditions
Humidity 40-60% 40-60%
Temperature 18-30°C 20-27°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height 0.6-1.2 meters (2-4 feet) indoors, up to 1.8 meters (6 feet) outdoors Outdoors: 2-4 meters (vine length). Indoors: Highly variable and difficult to achieve significant growth.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, loamy soil. A mix of potting soil, sand, and perlite is suitable. Well-draining loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 30 minutes weekly outdoors during growing season.

🔬 Botanical Information — Comparing These Plants

Lemon Grass

Scientific Name Cymbopogon citratus
Family Poaceae
Native To Southeast Asia (India, Sri Lanka, Malaysia, Thailand)
Also Known As Lemon Grass, Lemongrass, Oil Grass, Fever Grass, Tanglad
Leaves The leaves of Lemon Grass are long, slender, and blade-like, typically reaching lengths of 30-90 cm (12-35 inches). They are a vibrant green color and have a slightly rough texture. The leaves have a prominent midrib and taper to a sharp point. When crushed, they release a strong lemon scent.
Flowers Lemon Grass rarely flowers indoors. Outdoors, it may produce flower spikes in warm climates, but flowering is infrequent and not the primary reason for cultivation. The flowers are small and inconspicuous.

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.

📏 Size & Growth — Plant Comparison

Lemon Grass

Height 0.6-1.2 meters (2-4 feet) indoors, up to 1.8 meters (6 feet) outdoors
Spread 0.6-0.9 meters (2-3 feet), spreads via rhizomes
Growth Rate Fast
Growth Pattern Lemon Grass grows in dense clumps, with multiple stalks emerging from a central base. It has an upright growth habit, with leaves arching outwards. It spreads via rhizomes, which can lead to the formation of larger clumps over time.

Lima Bean

Height Outdoors: 2-4 meters (vine length). Indoors: Highly variable and difficult to achieve significant growth.
Spread Outdoors: 1-2 meters. Indoors: Highly variable.
Growth Rate Fast
Growth Pattern Vining, climbing plant that requires support to grow vertically. It produces pods containing the lima beans.

🌱 Propagation — Comparing Plant Growth

Lemon Grass

Methods: Division, Seed

Difficulty: Easy

Tips: Divide mature clumps in spring or summer. Ensure each division has healthy roots and shoots. Plant in well-draining soil and keep moist. Seeds can be sown indoors in early spring.

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.

✨ Benefits & Features — Comparing Plant Value

Lemon Grass

Lemon Grass is known for its distinct lemon scent and flavor, which is due to the presence of citronellal and geraniol. It is a fast-growing grass that can reach impressive heights under optimal conditions. Unlike many ornamental grasses, it is primarily grown for its culinary and medicinal uses.

  • ✓ Adds a unique flavor to culinary dishes
  • ✓ Provides a refreshing aroma
  • ✓ May have medicinal properties
  • ✓ Acts as a natural insect repellent
  • ✓ Enhances the aesthetic appeal of a garden or patio
  • ⚠️ Toxic to pets

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

📅 Maintenance Schedule — Plant Care Comparison

Lemon Grass

Repotting Every 1-2 years, or when the plant becomes root-bound. Divide the plant during repotting to control its spread.
Pruning Regularly trim dead or yellowing leaves. Cut back the plant in late winter or early spring to encourage new growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In winter, reduce watering and protect from frost. In summer, ensure adequate moisture and sunlight. Bring indoors before the first frost in colder climates.

Lima Bean

Repotting Not applicable for annual outdoor plants. If attempting indoor growth, repot as needed to accommodate root growth.
Pruning Pinch back the tips of the vines to encourage bushier growth. Remove any yellowing or diseased leaves.
Fertilizing Balanced fertilizer (e.g., 10-10-10) applied monthly during the growing season. Avoid over-fertilizing.
Seasonal Care In spring, plant seeds after the last frost. Provide support for the vines to climb. In summer, water regularly and fertilize monthly. Harvest beans when pods are full. In fall, harvest remaining beans before frost. In winter, the plant dies back.

🌞 Light Requirements

Lemon Grass

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

Low light tolerant: ❌ No

Lima Bean

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

Low light tolerant: ❌ No

💧 Watering Needs

Lemon Grass

Keep the soil consistently moist, but not waterlogged. Allow the top inch of soil to dry out slightly between waterings. Overwatering can lead to root rot, while underwatering will cause the leaves to dry out and turn brown. Ensure good drainage.

Lima Bean

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage.

🌡️ Temperature & Humidity

Lemon Grass

Temperature: 18-30°C

Humidity: 40-60%

Lima Bean

Temperature: 20-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Lemon Grass

Lemon Grass

Cymbopogon citratus
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who can provide ample sunlight and manage its growth.

✅ Choose This Plant If...

  • You want a fragrant herb for cooking and teas
  • You have a sunny outdoor space
  • You enjoy the challenge of growing plants that require specific conditions
  • You want a natural insect repellent
  • You are interested in the potential health benefits of Lemon Grass

❌ Skip This Plant If...

  • You have pets that may ingest it
  • You lack a very sunny location
  • You don't want to deal with a plant that spreads via rhizomes
📍 Ideal Location: Sunny patio, herb garden, or a very bright, south-facing window indoors
🎨 Style: Tropical, Bohemian, Natural
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Lemon Grass is toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and abdominal pain. The leaves are the primary toxic part.
Lima Bean

Lima Bean

Phaseolus lunatus
Care: Expert Time: 30 minutes weekly outdoors during growing season. Beginner: No

Gardeners 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.
📍 Ideal Location: Outdoor garden with full sun and well-draining soil.
🎨 Style: Cottagecore, Farmhouse, Traditional
🏠 Apartment Friendly: No
⚠️ Lima beans contain cyanogenic glycosides, which can release cyanide when ingested. This is more concentrated in raw beans. While cooking reduces the toxicity, it's best to keep pets away from the plant. Symptoms can include vomiting, diarrhea, and difficulty breathing. Affects dogs, cats, and horses.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Lemon Grass Care Tips

Lemon Grass is primarily an outdoor plant that requires full sun and consistent moisture. Growing it indoors can be challenging due to its high light requirements. It also spreads via rhizomes, so it may outgrow its container quickly. Regular division and repotting are necessary.

  • Provide at least 6-8 hours of direct sunlight daily
  • Ensure well-draining soil to prevent root rot
  • Water deeply when the top inch of soil is dry
  • Fertilize regularly during the growing season
  • Divide the plant every 1-2 years to control its spread
❄️ Winter: In colder climates, bring Lemon Grass indoors before the first frost. Reduce watering frequency and provide as much light as possible. Avoid fertilizing during the winter months. Maintain temperatures above 10°C (50°F).
☀️ Summer: Ensure adequate moisture and sunlight during the summer months. Water deeply and regularly, especially during hot, dry periods. Fertilize every 2-4 weeks with a balanced liquid fertilizer. Protect from strong winds, which can damage the leaves.

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.
❄️ Winter: The plant dies back in winter. Remove dead vines and debris from the garden.
☀️ Summer: Water deeply and regularly, especially during hot weather. Provide support for the vines to climb. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Lemon Grass

Common Issues: Root rot, spider mites, insufficient sunlight, brown leaf tips
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Increase humidity and treat with insecticidal soap. Insufficient sunlight: Move to a brighter location or supplement with grow lights. Brown leaf tips: Increase humidity and ensure consistent watering.

Lima Bean

Common Issues: Aphids, spider mites, bean beetles, fungal diseases (e.g., powdery mildew)
Solutions: Insecticidal soap for aphids and spider mites. Remove bean beetles by hand. Fungicide for fungal diseases. Ensure good air circulation.

❓ Frequently Asked Questions — Comparing These Plants

Lemon Grass

What are the light requirements for Lemon Grass?

Lemon Grass requires at least 6 hours of bright, indirect sunlight daily. Direct sunlight can scorch the leaves, so it’s best to place it near an east- or west-facing window where it receives filtered light. If you don’t have enough natural light, you can supplement with a grow light. Rotate the plant regularly to ensure even growth on all sides. Inadequate light can lead to leggy growth and reduced essential oil production, affecting the plant’s fragrance. Avoid placing Lemon Grass in a dark or shaded area.

How do I care for Lemon Grass?

Lemon Grass thrives in bright, indirect sunlight and requires well-draining soil. Water regularly, keeping the soil consistently moist but not waterlogged. During the growing season (spring and summer), fertilize monthly with a balanced liquid fertilizer. Prune regularly to maintain shape and encourage new growth. Lemon Grass prefers warm temperatures and high humidity; consider using a humidifier or placing the plant on a pebble tray filled with water. Repot annually in the spring to provide fresh soil and space for growth. Protect from frost and cold temperatures, as it is not cold-hardy. Monitor for pests such as aphids or spider mites and treat accordingly.

How do I propagate Lemon Grass?

Lemon Grass can be easily propagated through division, stem cuttings, or air layering. For division, carefully separate the plant into smaller clumps, ensuring each clump has healthy roots. For stem cuttings, take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and plant it in moist soil. Keep the soil consistently moist until roots develop. For air layering, make a small cut on a stem, wrap it with moist sphagnum moss, and cover with plastic wrap. Once roots develop, cut the stem below the roots and plant it in soil. Propagation is best done in the spring or summer.

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.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.