Lemongrass vs Lithops Plant Comparison

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

Lemongrass

Lemongrass

Cymbopogon citratus

VS
Lithops

Lithops

Lithops spp.

Lemongrass

Lemongrass

Cymbopogon citratus

Lemongrass is a tall, perennial grass characterized by its fragrant, lemon-scented leaves and stalks. It typically grows in dense clumps, reaching heights of 3-5 feet outdoors. The plant is primarily grown for its culinary and medicinal uses, as well as its aromatic properties. While it can be grown indoors, it requires very bright light and consistent care to thrive. It is more commonly cultivated outdoors in warmer climates.

Poaceae Southeast Asia (India, Sri Lanka, Malaysia, Thailand)
✨ Features: Aromatic leaves, culinary uses, insect repellent properties (citronella oil)
📖 Read Complete Lemongrass Guide
Lithops

Lithops

Lithops spp.

Lithops are fascinating succulents that mimic small pebbles or stones in their native arid environments. They consist of a pair of fused, fleshy leaves with a fissure between them, from which a flower emerges. These plants are naturally outdoor dwellers, thriving in intense sunlight and well-draining soil. People grow them for their unique appearance, compact size, and the surprise of their daisy-like flowers, which typically appear in the fall. Lithops are adapted to survive long periods of drought, making them relatively low-maintenance if their specific needs are met.

Aizoaceae Southern Africa (Namibia, South Africa, Botswana)
✨ Features: Unique appearance mimicking stones, drought tolerance, interesting growth cycle.
📖 Read Complete Lithops Guide

Quick Plant Comparison

Feature Lemongrass Lithops
Light Full sun (6-8 hours of direct sunlight daily) Very high light intensity is crucial. At least 6-8 hours of direct sunlight per day is required for optimal growth and flowering.
Watering Every 3-7 days, depending on environmental conditions and pot size. More frequent watering is needed during hot, sunny periods. Every 2-4 weeks during the growing season, less or none during dormancy.
Humidity 40-60% 20-40%
Temperature 18-30°C 18-27°C
Care Level Expert Expert
Growth Rate Fast Very Slow
Max Height 1-3 feet (indoors), 3-5 feet (outdoors) 2-5 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, loamy soil. A mix of potting soil, perlite, and sand is suitable. Extremely well-draining succulent mix. A mix of 1 part potting soil, 2 parts coarse sand, and 1 part perlite or pumice is ideal.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 5 minutes weekly (mostly observation and infrequent watering)

🔬 Botanical Information — Comparing These Plants

Lemongrass

Scientific Name Cymbopogon citratus
Family Poaceae
Native To Southeast Asia (India, Sri Lanka, Malaysia, Thailand)
Also Known As Lemongrass, Oil Grass, Fever Grass, Citronella Grass
Leaves The leaves are long, slender, and blade-like, typically 1-3 feet long and 0.5-1 inch wide. They are bright green in color and have a rough texture. The leaves emit a strong lemon scent when crushed.
Flowers Lemongrass rarely flowers indoors. Outdoors, it may produce flower spikes with small, inconspicuous flowers under ideal conditions, but flowering is not its primary feature.

Lithops

Scientific Name Lithops spp.
Family Aizoaceae
Native To Southern Africa (Namibia, South Africa, Botswana)
Also Known As Living Stones, Pebble Plants, Flowering Stones
Leaves The leaves are typically smooth, rounded, and fleshy, resembling pebbles or stones. They come in a variety of colors and patterns, including shades of gray, brown, green, and reddish-brown. The upper surface of the leaves often has translucent windows or patterns that allow light to penetrate for photosynthesis.
Flowers Lithops can flower indoors, typically in the fall. The flowers are daisy-like, ranging in color from white to yellow to orange. They emerge from the fissure between the leaves and can last for several days.

📏 Size & Growth — Plant Comparison

Lemongrass

Height 1-3 feet (indoors), 3-5 feet (outdoors)
Spread 1-2 feet, spreads via rhizomes
Growth Rate Fast
Growth Pattern Lemongrass grows in dense clumps, with upright stalks and arching leaves. It spreads via rhizomes, which can lead to aggressive growth if not contained.

Lithops

Height 2-5 cm
Spread 2-5 cm
Growth Rate Very Slow
Growth Pattern Lithops grow as a pair of fused, fleshy leaves that are almost entirely buried in the soil. They do not have a stem and remain very compact, typically growing no more than a few centimeters above the soil surface.

🌱 Propagation — Comparing Plant Growth

Lemongrass

Methods: Division, Seed, Rooting stem cuttings in water

Difficulty: Easy

Tips: Divide mature clumps in spring or summer. For stem cuttings, place the cut end in water until roots develop, then plant in soil. Keep soil consistently moist during propagation.

Lithops

Methods: Seed, Division (carefully separate offsets)

Difficulty: Moderate

Tips: Seeds require warm temperatures and high humidity to germinate. Division should only be attempted when the plant naturally splits and forms offsets. Allow the cut surfaces to callous over before planting.

✨ Benefits & Features — Comparing Plant Value

Lemongrass

Lemongrass is distinguished by its strong lemon scent and flavor, which is due to the presence of citronella oil. It is a fast-growing grass that can reach impressive heights in optimal conditions. Its culinary and medicinal uses make it a valuable addition to any garden.

  • ✓ Fresh lemongrass for culinary use
  • ✓ Natural insect repellent
  • ✓ Aromatic fragrance
  • ✓ Adds a tropical aesthetic to your garden or home
  • ✓ Potential medicinal benefits (consult a healthcare professional)
  • ⚠️ Toxic to pets

Lithops

Lithops are masters of camouflage, blending seamlessly with their rocky surroundings to avoid being eaten. They have a unique growth cycle where new leaves emerge from within the old ones, which then shrivel and dry up.

  • ✓ Unique and conversation-starting plant.
  • ✓ Adds a touch of the desert to your home.
  • ✓ Low maintenance once established.
  • ✓ Can be a long-lived plant.
  • ✓ Offers a sense of accomplishment when successfully grown.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Lemongrass

Repotting Every 1-2 years, or when the plant becomes root-bound. Divide the plant during repotting to control its size.
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 (spring and summer).
Seasonal Care During the growing season (spring/summer), water and fertilize regularly. In winter, reduce watering and provide adequate light. Protect from frost if grown outdoors.

Lithops

Repotting Every 2-3 years, or when the plant outgrows its pot. Repot during the active growing season (spring or fall).
Pruning No pruning needed, remove dead leaves carefully.
Fertilizing Use a diluted, low-nitrogen fertilizer (e.g., 5-10-10) only during the active growing season (spring/fall), and only if needed. Fertilize very sparingly, once or twice a year at most.
Seasonal Care Spring/Fall: Active growth, water when leaves wrinkle. Summer/Winter: Dormancy, withhold water unless leaves severely shrivel. Provide bright light year-round.

🌞 Light Requirements

Lemongrass

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

Low light tolerant: ❌ No

Lithops

Very high light intensity is crucial. At least 6-8 hours of direct sunlight per day is required for optimal growth and flowering.

Low light tolerant: ❌ No

💧 Watering Needs

Lemongrass

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting and browning leaf tips. Signs of overwatering include yellowing leaves and a soggy soil.

Lithops

Water very sparingly. Overwatering is the most common cause of death. Water only when the leaves become visibly wrinkled or shrunken, typically during their active growing season (spring and fall). Stop watering entirely during dormancy (summer and winter) unless the leaves become excessively shriveled. Signs of overwatering include mushy, translucent leaves.

🌡️ Temperature & Humidity

Lemongrass

Temperature: 18-30°C

Humidity: 40-60%

Lithops

Temperature: 18-27°C

Humidity: 20-40%

🤔 Which Plant Is Right For You?

Lemongrass

Lemongrass

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

Experienced gardeners in warm climates who want to grow their own culinary herb and are aware of the plant's toxicity to pets.

✅ Choose This Plant If...

  • You want to grow your own fresh lemongrass for cooking and teas.
  • You live in a warm climate with plenty of sunlight.
  • You are an experienced gardener looking for a rewarding challenge.
  • You want a natural insect repellent in your garden.
  • You are aware of the plant's toxicity to pets and can keep it out of their reach.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You live in a cold climate with limited sunlight.
  • You are a beginner gardener looking for an easy-care plant.
📍 Ideal Location: Outdoors in a sunny garden bed or large container. Indoors, a south-facing window with supplemental lighting.
🎨 Style: Tropical, Bohemian, Natural
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, lemongrass is toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and abdominal pain. The leaves and stems are the toxic parts.
Lithops

Lithops

Lithops spp.
Care: Expert Time: 5 minutes weekly (mostly observation and infrequent watering) Beginner: No

Experienced succulent growers who can provide intense light and understand the plant's dormancy cycle.

✅ Choose This Plant If...

  • You are fascinated by unique and unusual plants.
  • You can provide very bright, direct sunlight.
  • You are experienced with succulent care and understand dormancy periods.
  • You are careful with watering and avoid overwatering.
  • You appreciate the challenge of growing a somewhat difficult plant.

❌ Skip This Plant If...

  • You tend to overwater plants.
  • You cannot provide very bright, direct sunlight.
  • You are a beginner plant owner.
  • You have pets that might ingest the plant.
  • You prefer plants that grow quickly and are visually dynamic.
📍 Ideal Location: South-facing windowsill, greenhouse, or under grow lights.
🎨 Style: Minimalist, Desert, Modern
🏠 Apartment Friendly: Limited
⚠️ Lithops contain alkaloids that can cause gastrointestinal upset in dogs, cats, and horses. Symptoms include vomiting, diarrhea, and drooling. All parts of the plant are potentially 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

📈

Lemongrass has fast growth, while Lithops grows very slow.

💡 Pro Tips For Comparing These Plants

Lemongrass Care Tips

Lemongrass is relatively easy to grow outdoors in warm climates with ample sunlight. Indoor cultivation is challenging due to high light requirements. It needs regular watering, fertilization, and repotting due to its fast growth and rhizomatous nature. Toxicity to pets is a major concern.

  • Provide at least 6 hours of direct sunlight daily.
  • Water deeply when the top inch of soil is dry.
  • Fertilize regularly during the growing season.
  • Protect from frost in colder climates.
  • Divide the plant every 1-2 years to prevent overcrowding.
❄️ Winter: Reduce watering frequency during winter. If grown outdoors in a cold climate, protect the plant from frost by bringing it indoors or covering it with a frost blanket. Ensure adequate light if kept indoors.
☀️ Summer: Water more frequently during hot summer months. Provide afternoon shade in extremely hot climates to prevent leaf burn. Fertilize regularly to support growth.

Lithops Care Tips

Lithops are challenging to grow indoors due to their high light requirements and sensitivity to overwatering. They need very bright light, extremely well-draining soil, and careful watering. Dormancy periods must be respected. Success requires a deep understanding of their growth cycle.

  • Use a terracotta pot to promote drainage.
  • Provide excellent ventilation to prevent rot.
  • Avoid getting water on the leaves.
  • Do not fertilize during dormancy.
  • Monitor closely for signs of pests or disease.
❄️ Winter: During winter dormancy, withhold water completely unless the leaves become severely shriveled. Maintain bright light and cool temperatures (around 10-15°C).
☀️ Summer: During summer dormancy, withhold water completely unless the leaves become severely shriveled. Provide bright light but protect from intense afternoon sun to prevent scorching.

⚠️ Common Problems & Solutions — Plant Care Comparison

Lemongrass

Common Issues: Root rot, spider mites, insufficient sunlight, browning leaf tips
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Insufficient sunlight: Provide supplemental lighting or move to a sunnier location. Browning leaf tips: Increase humidity and ensure consistent watering.

Lithops

Common Issues: Overwatering, etiolation (stretching due to insufficient light), rot, mealybugs
Solutions: Overwatering: Allow soil to dry completely and ensure proper drainage. Etiolation: Increase light exposure gradually. Rot: Remove affected parts and repot in fresh, dry soil. Mealybugs: Treat with insecticidal soap or systemic insecticide.

❓ Frequently Asked Questions — Comparing These Plants

Lemongrass

What are the light requirements for Lemongrass?

Lemongrass demands bright, indirect sunlight for optimal growth. Insufficient light can lead to leggy growth and reduced essential oil production, diminishing its characteristic aroma. A south- or east-facing window is ideal, providing ample light without direct scorching. If direct sunlight is unavoidable, filter it with a sheer curtain. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is inadequate, supplement with a grow light for at least 6 hours per day. Monitor leaf color; pale or yellowing leaves may indicate too much direct sunlight, while elongated stems suggest insufficient light.

How do I care for Lemongrass?

Lemongrass thrives with bright, indirect sunlight, needing at least 6 hours daily. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain a consistently moist soil, but avoid overwatering. A well-draining potting mix is crucial for healthy growth. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Maintain humidity levels around 50-60% by misting regularly or using a humidifier. Prune regularly to encourage bushier growth and remove any dead or yellowing leaves. Repot annually in spring to provide fresh soil and more room for growth. Protect from frost, as Lemongrass is sensitive to cold temperatures. Ensure good air circulation to prevent fungal diseases.

How do I propagate Lemongrass?

Lemongrass can be easily propagated through division, stem cuttings, or air layering. For division, carefully separate the plant clump into smaller sections, ensuring each section has healthy roots. Replant each section in a separate pot with well-draining soil. For stem cuttings, take a healthy stem cutting about 4-6 inches long. Remove the lower leaves and place the cutting in water. Once roots develop, transplant it into soil. Air layering involves making a small cut on a stem, wrapping it with moist sphagnum moss, and covering it with plastic wrap. Once roots emerge through the moss, cut the stem below the roots and plant it in soil. Keep the soil consistently moist and provide bright, indirect light for successful propagation.

Lithops

What are the light requirements for Lithops?

Lithops thrive in bright, indirect sunlight. They need at least 4-6 hours of direct sunlight per day, but intense afternoon sun can scorch their leaves, especially during the summer months. An east-facing window is ideal, providing gentle morning sun. If growing Lithops indoors, supplement natural light with a grow light, especially during the winter months when sunlight is limited.

How do I care for Lithops?

Lithops require very specific care to thrive. Provide them with extremely well-draining soil, such as a mix of pumice, perlite, and coarse sand. Water sparingly, only when the leaves become slightly wrinkled, typically during their active growing season (spring and fall). Avoid watering during dormancy (summer and winter) when the old leaves are being absorbed.

How do I propagate Lithops?

Lithops are typically propagated from seeds, as leaf cuttings and offsets are not viable methods. Stem cuttings are not applicable since Lithops lack a traditional stem. To propagate from seeds, sow them in a well-draining seed starting mix in spring or early summer. Keep the soil consistently moist but not waterlogged. Cover the container with a humidity dome or plastic wrap to maintain moisture.

Last updated: April 22, 2026 — Plant care data reviewed and verified by our editorial team.