Lemongrass from seed

This is West Indian lemongrass, the culinary type whose fat, pale stem bases go into Thai curries, Indian lemongrass tea and soups across Asia. It forms a dense clump of arching blue-green leaves that smells of lemon when brushed. Note that it differs from East Indian lemongrass, Cymbopogon flexuosus, and from citronella grass.

Size

up to about 1.8 m tall, 90-120 cm wide

Germination

up to 14 days, warm

Light

full sun, 6-8 hours

First harvest

about 90 days from germination

IN*

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How to sow

  1. Sow on the surface of a fine, well-drained mix or cover very lightly, keep it warm and evenly moist, and use a heat mat if you have one.
  2. Seedlings appear within about 14 days.
  3. After emergence they need at least eight hours of bright light a day, or they grow thin and weak.

Growing in Europe

Lemongrass is a warm-climate grass and is seriously damaged below 4 °C. In most of Europe grow it in a large pot, outdoors in full sun in summer and indoors in a bright, cool room in winter. The first stems can be cut at the base about 90 days after germination. Divide the clump when it gets crowded.

Questions

Is this the lemongrass used in cooking?

Yes. Cymbopogon citratus, West Indian lemongrass, is the culinary type used in Asian dishes and teas.

Can lemongrass survive winter outdoors?

Only in mild areas; it is damaged below 4 °C. Elsewhere overwinter the pot indoors.

When can I harvest lemongrass from seed?

From about 90 days after germination; cut outer stems at the base.