How to Grow Lemongrass
Lemongrass
Cymbopogon citratus
herbLemongrass is a tropical perennial grass with long, slender, blue-green leaves that emit a distinctive lemon fragrance when brushed or crushed. It grows in dense clumps and is prized for its aromatic and culinary properties, widely used in Asian cuisine and herbal beverages. The plant can reach 3-4 feet tall and spreads through rhizomatous growth.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9-11; grow as an annual or container plant in cooler zones
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Growth Stages
Establishment
2-4 weeksYoung shoots emerge from rhizomes; small clumps develop with thin green blades
Keep soil consistently moist; provide bright light; transplant to larger container or garden after 2-3 weeks when roots establish
Vegetative Growth
4-8 weeksLush foliage develops with multiple shoots; plant forms dense clumps of elongated leaves; leaf bases thicken
Water regularly; feed monthly with balanced or high-nitrogen fertilizer; remove any dead or damaged leaves; ensure full sun exposure
Clump Expansion
4-6 weeksDense mounding clumps form with multiple leaf shoots; base of stalks become more pronounced and white
Continue regular watering and feeding; thin crowded shoots if desired; pinch tips to encourage bushier growth; monitor for pests
Maturation
Ongoing after 3 monthsPlant reaches full size with thick, leafy growth; white leaf bases become more developed and tender
Begin harvesting outer stalks; reduce nitrogen fertilizer; maintain consistent moisture; divide clumps every 3-4 years
Winter Dormancy (in cooler zones)
3-4 monthsGrowth slows significantly in container plants; foliage may yellow; plant enters semi-dormant state
Move containers indoors before frost; reduce watering; maintain temperatures above 50°F; minimal fertilizing; provide bright indirect light
Common Pests
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Spray with water to dislodge; use neem oil or insecticidal soap; increase humidity; ensure good air circulation
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Remove with cotton swab dipped in alcohol; spray with insecticidal soap; isolate affected plants; use neem oil
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Scrape off manually; apply horticultural oil or neem oil; treat every 7-10 days until eliminated
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Remove infected leaves; improve air circulation; avoid overhead watering; apply sulfur or copper fungicide if severe
Uses
Asian Cooking & Soups
CulinaryLemongrass is a staple in Thai, Vietnamese, and Indonesian cuisine, essential in curries, soups, and stir-fries. The tender white bases and lower leaf portions provide bright, citrusy flavor without acidity. [source]
Herbal Teas & Beverages
CulinaryDried or fresh lemongrass leaves make aromatic, caffeine-free tea with digestive benefits. Often blended with ginger, mint, or hibiscus for flavor and wellness drinks. [source]
Digestive & Anti-inflammatory Support
MedicinalTraditional use for improving digestion, reducing inflammation, and supporting liver health. Contains citral and other compounds with potential antimicrobial and antioxidant properties. [source]
Natural Fragrance & Cleaning
HouseholdEssential oil and fresh plants are used in homemade cleaning products, natural air fresheners, and insect repellents. Dried stalks freshen rooms when placed in bowls. [source]
Stress Relief & Sleep Support
MedicinalAromatic compounds promote relaxation and may support better sleep quality. Used in aromatherapy, herbal pillows, and calming tea blends. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Begin harvesting when plant is at least 3-4 months old and has thick bases. Cut outer stalks at ground level using sharp knife or scissors; the white to light green base (6-8 inches) is most flavorful and tender. Harvest outer stalks regularly to encourage new growth; inner shoots continue developing. A mature clump can produce multiple harvests throughout the growing season. Fresh stalks are best used immediately but can be refrigerated for 2-3 weeks wrapped in plastic, or frozen for several months.
Fun Facts
- 🌱 Lemongrass is not a true grass but a tropical plant in the Poaceae family; it's more closely related to sugarcane and bamboo than to lawn grasses.
- 🌱 A single mature clump can be divided and propagated by separating tillers (shoot clusters), making it one of the easiest herbs to multiply at home.
- 🌱 In tropical climates, lemongrass can flower with delicate whitish panicles, though foliage quality typically declines after flowering, so removing flower buds is recommended.
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