Lemongrass
CategoryHerbs
Scientific NameCymbopogon citratus
DifficultyEasy
Native to tropics. Semi-aquatic - virtually unkillable in Thai conditions.
A dense, clumping perennial grass with tall, slender, arching bluish-green blades. It grows from a short rhizome and exudes a strong, fresh lemon scent when the leaves are crushed. This hardy plant offers endless harvests for Tom Yum soup, refreshing herbal tea, and acts as an effective natural mosquito repellent.
Cultivation
Sunlight
Full Sun. Shade produces thin, flavorless stalks.
Watering
High water needs. Semi-aquatic tendency—thrives in boggy conditions.
Soil Mix
Sandy loam facilitates easier stalk harvesting.
Fertilizer
Apply high-nitrogen fertilizer (urea) for rapid clump expansion.
Challenges
Pests & Diseases
Rust Fungus causes brown streaks on leaves.
Prevention
Remove infected leaves promptly. Reduce humidity if possible.
