Scientific Name
Cymbopogon citratus
General Information
Lemongrass is a fast-growing, shallow-rooted herbaceous perennial that grows up to 4 feet tall and 3 feet wide. It must be protected in winter because it is not frost tolerant. Its blue-green leaves turn red in the fall. It produces no flowers and is propagated by division. Lemongrass is used in cooking to add a lemony flavor and in cosmetics for fragrance.
When to Plant
Transplants: Plant transplants in spring after last frost date
Cuttings: Propagate by division in spring
Planting
Plant in full sun or part shade.
Soil Requirements
Well-drained, sandy soil as with other grasses.
Water Requirements
Keep moist but not constantly wet.
Fertilizing
Amend soil annually with compost.
Pollination
N / A
Harvesting
Harvest outer shoots a few stems at a time or break off the stem by hand
Storage
Lemongrass is to be used fresh. It does not dry or freeze well.
Good Varieties for Marin
Grow the straight species.
Helpful Tips
In spring, cut the plant back to one foot. To reduce circumference, cut at base of plant with a sharp spade. New shoots emerge quickly. Grow in a container that can be moved indoors in winter.
Common Problems
Harvest regularly as it gets big fast.
Lemongrass is susceptible to root rot. Avoid overwatering.