When to Plant Bok Choy in USDA Zone 10a
Top priorities for Zone 10a gardeners in June
June is a pivotal month for Zone 10a gardens. Focus on these tasks first and you'll set up the rest of the season for success.
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Survive, don't thrive
June-August is endurance gardening. Keep okra, peppers, sweet potatoes, and southern peas alive. Harvest everything daily before the heat damages produce on the vine.
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Start fall tomato seeds indoors
Yes, indoors — under lights or in AC. They'll be ready to transplant in August when temperatures briefly moderate.
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Add compost to empty beds
Empty beds get a thick layer of compost + mulch to suppress weeds and feed the soil for fall planting.
Bok choy is a Chinese cabbage variety with crisp white stalks and dark green leaves. It is a fast-growing cool-season crop ideal for stir-fries and soups.
In Zone 10a, the average last spring frost is around January 1 and the first fall frost is around December 31, giving you a growing season of approximately 364 days.
Bok Choy Planting Timeline — Zone 10a
Where Is USDA Zone 10a?
The map below highlights the states that contain Zone 10a. Click any state to see the Bok Choy planting schedule for that location.
Bok Choy Planting Calendar — Zone 10a
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | December 4 | Dec 4 – Dec 18 |
| Transplant Outdoors | January 1 | Jan 1 – Jan 15 |
| Direct Sow | December 11 | Dec 11 – Jan 1 |
| Harvest | February 12 | Feb 12 – Mar 19 |
| Fall Sowing | November 5 | Nov 5 – Nov 19 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Transplant Outdoors Direct Sow |
| February | Harvest |
| March | Harvest |
| April | — |
| May | — |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | Fall Sowing |
| December | Start Indoors Direct Sow |
Free Zone 10a Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 10a with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Partial Shade (3-6 hours)
💧 Water
High — keep soil consistently moist
Days to Maturity
40–60 days
Soil pH
6 – 7.5
Zone Temperature Range
30°F to 35°F average annual minimum
Growing Season
365 days (Zone 10a average)
Planting Specifications
| Planting Depth | 1 inches |
| Plant Spacing | 15 inches apart |
| Row Spacing | 24 inches between rows |
Succession Planting Bok Choy in Zone 10a
Sow every 4.6 weeks for continuous harvest throughout the season.
Growing Tips for Bok Choy in Zone 10a
Zone 10a offers a long growing season (~365 days). You can plant Bok Choy earlier and may get multiple harvests.
Direct sow in spring or fall for best results. Keep soil consistently moist. Harvest whole heads or cut outer leaves for a cut-and-come-again approach.
Companion Planting
Good Companions
Avoid Planting Near
The Gardener's Encyclopedia to Companion Planting
The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.
- Proven pairings for 200+ vegetables, herbs, flowers, and fruits
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Saving Bok Choy Seeds
Recommended for Your Garden
Reduce heat stress and sun scorch in hot climates with UV-stabilized shade cloth.
Start seeds indoors with reusable cell trays and humidity domes.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Related Plants
Bok Choy in Other Zones
Bok Choy by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
When should I plant Bok Choy in Zone 10a?
In Zone 10a, plan your Bok Choy planting around the average last frost date of January 1. Start seeds indoors around December 4. Direct sow outdoors around December 11. Transplant seedlings around January 1.
Can Bok Choy grow in Zone 10a?
Yes, Bok Choy can grow well in Zone 10a, hardy in USDA zones 2a through 11b. Zone 10a has a growing season of approximately 364 days, which is sufficient for Bok Choy (40-60 days to maturity).
When can I harvest Bok Choy in Zone 10a?
In Zone 10a, expect to harvest Bok Choy from February 12 – March 19. Bok Choy takes 40-60 days from planting to harvest.
What is the last frost date for Zone 10a?
The average last spring frost in Zone 10a is around January 1, and the first fall frost is around December 31. This gives a growing season of approximately 364 days. These are 50% probability dates — actual frost dates vary year to year.
What should I plant next to Bok Choy?
Good companion plants for Bok Choy include Celery, Lettuce, Spinach. These companions can help with pest control, pollination, and nutrient sharing.
Your Zone 10a Garden Planner — Free
A 22-page printable planner tailored to Zone 10a. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.