Bok Choy
Brassica rapa subsp. chinensis
Start bok choy indoors 9 weeks before your last spring frost, then plant out 4 weeks before your last spring frost. Space plants 6 in (15 cm) apart.
Photo: Rameshng, CC BY-SA 3.0 · source
When to plant
Timed from your frost dates, so it holds wherever you garden. Give yours and every step below becomes a date.
Optimal Indoor Start
From seedRecommended- Start indoors9 weeks before your last spring frost
- Begin hardening off5 weeks before your last spring frost
- Plant out4 weeks before your last spring frost
- First harvestabout 50 days after planting out
Optimal Transplant
From seed- Plant out4 weeks before your last spring frost
- First harvestabout 50 days after planting out
Optimal Fall Direct Sow
From seed- Sow outdoorsabout 10 weeks before your first fall frost
- First harvestabout 50 days after sowing
Optimal Direct Sow
From seed- Sow outdoorsaround your last spring frost
- First harvestabout 50 days after sowing
Growing bok choy
- Spacing in the row
- 6 in (15 cm)
- Between rows
- 12 in (30 cm)
- Planting depth
- 1/4-1/2 inch
- Sun
- Partial Shade
- Life cycle
- Annual
Feeding
- How often
- At planting, then once at midseason. A light nitrogen side-dress (compost, blood meal or similar) about 3-4 weeks after sowing or transplanting keeps leaves growing fast; too much makes soft, pest-prone growth.
Your bok choy, planned to the day.
Canopy turns these timings into dates from your own frost data, places every plant at its spacing on your garden map, and tracks it all the way to harvest.