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When to Plant Bok Choy in Flagler County, FL

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.

Flagler County, Florida is in USDA Zone 9a. The average last spring frost is February 5 and the first fall frost is December 17, giving you a growing season of approximately 315 days.

At an elevation of 134 feet, Flagler County receives approximately 54.2 inches of rainfall annually with predominantly sand soil. Summer highs average 99ยฐF, so Bok Choy may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Bok Choy will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Bok Choy root diseases.

Flagler County, FL (Zone 9a) Year-round
315 days
Last Spring Frost February 5
315 growing days
First Fall Frost December 17

Flagler County Soil Profile

Soil Type

Sand

Soil pH

5.1-5.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (243 days to spare)
Start indoors: Dec 25 Transplant: Jan 22 🍅 Harvest: Mar 5 – Apr 9
Recommended (50%) ✓ Fits season (238 days to spare)
Start indoors: Jan 8 Transplant: Feb 5 🍅 Harvest: Mar 19 – Apr 23
Safe Start (90%) ✓ Fits season (224 days to spare)
Start indoors: Jan 31 Transplant: Feb 28 🍅 Harvest: Apr 11 – May 16

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
0.7″/week
You supply
1.2″/week
Watering frequency 2-3 times/week
Season total 3,458 gal / 100 sq ft
Bok Choy needs ~1,212 GDD — county provides 7,663 GDD Excellent fit

Bok Choy Planting Timeline โ€” Flagler County, FL

Bok Choy Planting Calendar

Activity When Date Range
Start Indoors January 8 Jan 8 โ€“ Jan 22
Transplant Outdoors February 5 Feb 5 โ€“ Feb 19
Direct Sow January 15 Jan 15 โ€“ Feb 5
Fall Sowing October 22 Oct 22 โ€“ Nov 5
Harvest March 19 Mar 19 โ€“ Apr 23

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors Direct Sow
February Transplant Outdoors Direct Sow
March Harvest
April Harvest
May โ€”
June โ€”
July โ€”
August โ€”
September โ€”
October Fall Sowing
November Fall Sowing
December โ€”

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

High โ€” keep soil consistently moist

Days to Maturity

40โ€“60 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 9a

Growing Season

315 days

Growing Tips for Flagler County

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

  • Strawberries

Level Up Your Garden

Frequently Asked Questions

When should I plant Bok Choy in Flagler County, FL?

Flagler County is in Zone 9a with an average last frost of February 5. Plan your Bok Choy planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Flagler County, FL?

Flagler County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is February 5 and first fall frost is December 17.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Flagler County gardeners in Zone 9a organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Flagler County, FL. Local conditions may vary. Last updated: April 2026.