🥬 When to Plant Bok Choy

When should I plant bok choy?

Plant bok choy outdoors 4 weeks before last frost. For a head start, start seeds indoors 6 weeks before your area's last frost date. Transplants can go out 3 weeks before last frost.

Is bok choy frost sensitive?

Bok Choy can tolerate light frost, surviving temperatures as low as 25°F. This makes it a great candidate for early spring or fall planting when other crops can't go out yet.

What temperature does bok choy need?

Bok Choy grows best between 45°F and 75°F. It can survive down to 25°F, but growth slows significantly below 45°F. It prefers cool weather and may bolt or stop producing if summer heat arrives early.

How long does bok choy take to grow?

Bok Choy typically takes 30–60 days from transplant (or direct sow) to first harvest.

Should I start bok choy seeds indoors?

Yes — start bok choy seeds indoors 6 weeks before your area's last expected frost date. This gives seedlings time to develop strong roots before outdoor conditions are ready.

Is it too cold to plant bok choy?

It is too cold to plant Bok Choy outdoors when nighttime temperatures are falling below 25°F. While Bok Choy can tolerate temperatures as low as 25°F, growth will be slow until nights consistently exceed 45°F. Use CanIPlant to check your local 7-day forecast and get a real-time answer for your ZIP code.

Is it too hot to plant bok choy?

Bok Choy starts to struggle when temperatures climb above 75°F. As a cool-season crop, Bok Choy is especially heat-sensitive — high temperatures cause bolting, bitter flavor, or complete crop failure. Avoid planting in the peak of summer and opt for spring or fall instead. CanIPlant checks your local forecast highs to flag this automatically.

Any tips for growing bok choy?

Bolts quickly in heat. Best planted in early spring or fall.