How to Grow Tatsoi

Updated June 2026

A cool-season leafy for the home garden across the warmer US.

What it looks like as it grows

Tatsoi is a rewarding cool-season crop for backyard growers.

When to plant

Tatsoi is a cool-season crop. In the South and Southwest, plant in fall through winter when the heat eases. See your region on the tatsoi page for exact timing.

Varieties

Tatsoi, Glossy, cold-tolerant rosettes (Johnny's Selected Seeds)

How to grow it

Sun & soil: part sun to light shade, rich well-drained soil with even moisture.
Spacing: about 8 in between plants.
Sowing: barely cover the seed.
Water: roughly 1.1 gal per plant every 2 days in hot weather.
Containers: grows well in a pot of 8 in+.

Pests & problems

Watch for Cabbage moth and Flea beetle. In humid regions, Downy mildew can appear, so space for airflow and water at the roots in the morning.

Harvest

Tatsoi is usually ready to harvest in roughly 6 weeks. Pick regularly to keep plants productive.

When to plant in your region

Pick your region to see exactly when to plant tatsoi where you garden.

See what to plant this month

Pick your region for a month-by-month calendar tuned to your climate.

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