When to plant bok choy

Hardy · tolerates frost

Bok Choyis keyed to your local frost dates. The offsets below hold anywhere — but the calendar dates they land on don’t. Enter your ZIP for dates tuned to your city’s nearest NOAA station.

Bok Choy planting timeline

Start indoors

4–6 wks before

Transplant out

0–3 wks before

Direct sow

3 before–2 after

Harvest

45–60 days later

-7 wksLAST SPRING FROST+7 wks

Hardy: tolerates frost and can go out a few weeks before the last spring frost.

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Bok Choy planting FAQ

When should I start bok choy seeds indoors?

Start bok choy indoors 4–6 weeks before the last spring frost, so seedlings are ready to plant out once the weather warms.

Can I direct sow bok choy?

Yes — you can sow bok choy directly outdoors 3 weeks before to 2 weeks after the last spring frost.

How long does bok choy take to grow?

Bok Choy takes about 45–60 days from transplanting to harvest, depending on the variety and conditions.

Can I plant bok choy in the fall?

Yes — sow bok choy for a fall crop 6–8 weeks before the first fall frost.

Is bok choy frost-hardy?

Hardy: tolerates frost and can go out a few weeks before the last spring frost.

Planting reminders

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Planting windows are offsets from your local 1991–2020 NOAA frost normals. How we compute this.