Lemon Grass vs Prune 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
Prune

Prune

Prunus domestica

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
Prune

Prune

Prunus domestica

Prunus domestica, the European plum, is a deciduous tree typically reaching heights of 4-10 meters (13-33 feet). It features oval to elliptical leaves and produces fragrant white flowers in spring. The fruit, known as a plum, is a drupe with a smooth skin and juicy flesh, varying in color from purple, red, yellow, to green depending on the cultivar. While plums are grown for fresh consumption, they are also dried to produce prunes. This tree is primarily an outdoor plant, requiring specific conditions to thrive and fruit. Indoor cultivation is extremely challenging and not recommended.

Rosaceae Caucasus, Anatolia, and Persia
✨ Features: Edible fruit, ornamental value with spring blossoms
📖 Read Complete Prune Guide

Quick Plant Comparison

Feature Lemon Grass Prune
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) Once or twice a week during the growing season, less frequently during dormancy
Humidity 40-60% 30-50%
Temperature 18-30°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.6-1.2 meters (2-4 feet) indoors, up to 1.8 meters (6 feet) outdoors Not applicable indoors; outdoors: 4-10 meters (13-33 feet)
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 with a slightly acidic to neutral pH (6.0-7.0)
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 1-2 hours per week during the growing season, less during dormancy.

🔬 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.

Prune

Scientific Name Prunus domestica
Family Rosaceae
Native To Caucasus, Anatolia, and Persia
Also Known As European Plum, Common Plum, Garden Plum
Leaves The leaves are oval to elliptical in shape, typically 5-10 cm long and 2-5 cm wide. They are green in color and have a finely serrated margin.
Flowers The flowers are white, fragrant, and approximately 2-3 cm in diameter. They appear in spring before the leaves emerge.

📏 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.

Prune

Height Not applicable indoors; outdoors: 4-10 meters (13-33 feet)
Spread Not applicable indoors; outdoors: 3-6 meters (10-20 feet)
Growth Rate Moderate
Growth Pattern The European plum tree has an upright, spreading growth habit, forming a rounded crown. It typically grows to a height of 4-10 meters.

🌱 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.

Prune

Methods: Seed, grafting, budding, cuttings

Difficulty: Moderate

Tips: Grafting or budding onto suitable rootstock is the most reliable method. Cuttings can be taken in late spring or early summer. Seeds require stratification before planting.

✨ 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

Prune

Prunus domestica is known for its delicious and versatile fruit, which can be eaten fresh, dried, or processed into various products. The tree's spring blossoms also provide ornamental value.

  • ✓ Provides fresh fruit for consumption.
  • ✓ Offers ornamental value with spring blossoms.
  • ✓ Attracts pollinators to the garden.
  • ✓ Can be used for making jams, jellies, and other preserves.
  • ✓ Provides shade in the summer.
  • ⚠️ 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.

Prune

Repotting Not applicable for outdoor trees.
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Thin out the canopy to improve air circulation and sunlight penetration.
Fertilizing Balanced fertilizer (10-10-10) in early spring before new growth begins. Avoid over-fertilizing, which can promote excessive foliage growth at the expense of fruit production.
Seasonal Care Spring: Fertilize before new growth. Summer: Monitor for pests and diseases, ensure adequate watering. Fall: Harvest fruit, prepare for dormancy. Winter: Prune dormant branches.

🌞 Light Requirements

Lemon Grass

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

Low light tolerant: ❌ No

Prune

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.

Prune

Water deeply when the topsoil feels dry to the touch. Avoid overwatering, which can lead to root rot. During fruit development, ensure consistent moisture. Reduce watering in the dormant season. Signs of underwatering include wilting leaves and stunted growth. Overwatering can cause yellowing leaves and potential fungal issues.

🌡️ Temperature & Humidity

Lemon Grass

Temperature: 18-30°C

Humidity: 40-60%

Prune

Temperature: 15-25°C

Humidity: 30-50%

🤔 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.
Prune

Prune

Prunus domestica
Care: Expert Time: 1-2 hours per week during the growing season, less during dormancy. Beginner: No

Home gardeners in temperate climates with sufficient space and sunlight to grow fruit trees.

✅ Choose This Plant If...

  • You have a large outdoor space with full sun and well-draining soil.
  • You live in a climate with distinct seasons, including a cold winter for dormancy.
  • You are experienced in fruit tree cultivation and pest management.
  • You want to harvest your own plums or prunes.
  • You enjoy the aesthetic appeal of a flowering fruit tree in spring.

❌ Skip This Plant If...

  • You live in an apartment or have limited outdoor space.
  • You do not have the time or expertise to manage fruit tree pests and diseases.
  • You are looking for an easy-to-care-for indoor plant.
📍 Ideal Location: Outdoors in a sunny location with well-draining soil.
🎨 Style: Traditional, Cottage Garden, Orchard
🏠 Apartment Friendly: No
⚠️ The leaves, stems, and pits contain cyanogenic glycosides, which can release cyanide when ingested. This is toxic to dogs, cats, and horses. Symptoms include dilated pupils, difficulty breathing, and potentially death. The ASPCA lists Prunus species as toxic.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Lemon Grass has fast growth, while Prune grows moderate.

💡 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.

Prune Care Tips

Prunus domestica is an outdoor tree that is extremely difficult to grow indoors. It requires full sun, specific temperature fluctuations for dormancy, and proper pollination to produce fruit. Indoor cultivation is generally unsuccessful.

  • Choose a cultivar suitable for your climate.
  • Ensure proper drainage to prevent root rot.
  • Protect young trees from deer and other pests.
  • Prune regularly to maintain shape and productivity.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Protect young trees from frost damage. Prune dormant branches. Ensure adequate watering if the ground is not frozen.
☀️ Summer: Monitor for pests and diseases. Ensure adequate watering, especially during fruit development. Provide support for heavily laden branches.

⚠️ 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.

Prune

Common Issues: Aphids, spider mites, brown rot, plum curculio
Solutions: Use insecticidal soap for aphids and spider mites. Apply fungicide for brown rot. Use appropriate insecticides or cultural practices to control plum curculio.

❓ 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.

Prune

What are the light requirements for Prune?

Prune trees need bright, indirect light to thrive indoors. Too little light can result in leggy growth and reduced fruit production (if applicable for your variety). East-facing windows are ideal, providing gentle morning sun. West or south-facing windows can also work, but be sure to filter the light with sheer curtains to prevent leaf scorch. If natural light is insufficient, supplement with grow lights. Rotate the plant regularly to ensure even light exposure on all sides. Signs of insufficient light include pale leaves, slow growth, and elongated stems. Avoid placing Prune trees in dark corners or hallways.

How do I care for Prune?

Prune trees thrive indoors with the right care. Provide bright, indirect light and avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil is dry, allowing excess water to drain away. Overwatering can lead to root rot. Maintain a moderate humidity level, especially during dry winter months. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and remove any dead or damaged branches. Repot every 2-3 years into a slightly larger pot with well-draining potting mix. Monitor for pests and treat promptly. Ensure stable temperatures and avoid sudden changes in environment. Proper pot size is crucial; start with a pot appropriate for the plant’s size and gradually increase as needed.

How do I propagate Prune?

Prune trees can be propagated through stem cuttings or air layering.

Last updated: April 18, 2026 — Plant care data reviewed and verified by our editorial team.