Fever Grass

Herbaceous

Fever Grass

Cymbopogon citratus

Also known as: Lemongrass, West Indian lemongrass, Barbed wire grass

Herbaceous Poaceae EdibleMedicinalPest ManagementMulcher
Hardiness Zone
9-11
Ideal Temp
55–95°F
Survives Down To
24°F
Life Cycle
Perennial

Cymbopogon citratus is the clumping grass that makes Thai soup smell like intent—lemon without the citrus, fibrous stalk bases for bruising and simmering, sharp leaf edges that remind you to wear gloves. Often perennial in 9b+ with mulch; colder pockets treat as annual or pot and shelter. Loves heat and humidity; hates standing water in winter cool. ☀️💧 Sun and Water Requirements: Full sun for tight clumps and strong oil. Rich soil, steady moisture in growth season; reduce water in cool months. ✂️ Propagation: Divide large clumps; rooted slips from base; seed is unreliable for this clone. 🌾 Harvest / Best Use Timing: Cut stalk bases and lower leaves for tea, broth, and curry use while growth is lush; chop extras for mulch before cool slowdown.

Good Neighbors
  • Ginger
  • Turmeric
  • Galangal
Cautions
  • Deep shade (floppy, weak flavor)
  • Waterlogged winter crowns
Known Threats — Organic Solutions Only
Aphids
Aphidoidea
Armyworms
Spodoptera spp.
Bamboo Mite
Schizotetranychus longus
Corn Earworm
Helicoverpa zea
Fall Armyworm
Spodoptera frugiperda
Leaf Blight
Various Fungal Pathogens
Lubber Grasshopper
Romalea microptera
Rice Blast Fungus
Magnaporthe oryzae
Rice Water Weevil
Lissorhoptrus oryzophilus
Scale Insects
Coccoidea
Spittlebugs
Cercopidae
Wireworm
Elateridae (larvae; e.g., Agriotes spp.)