When to Plant Broccoli in Kentucky
Start Seeds Indoors
Wednesday, March 4, 2026
Transplant outdoors: Wednesday, April 15, 2026
State
Kentucky
USDA Zones
6a, 6b, 7a, 7b
Avg Last Frost
Wednesday, April 15, 2026
Cities Covered
783
Kentucky Planting Schedule by Zone
Kentucky spans 4 zones — find yours below for the most accurate dates.
| Zone | Last Frost | Start Indoors | Transplant |
|---|---|---|---|
| 6a | Monday, April 20, 2026 | Monday, March 9, 2026 | Monday, April 20, 2026 |
| 6b | Wednesday, April 15, 2026 | Wednesday, March 4, 2026 | Wednesday, April 15, 2026 |
| 7a | Friday, April 10, 2026 | Friday, February 27, 2026 | Friday, April 10, 2026 |
| 7b | Sunday, April 5, 2026 | Sunday, February 22, 2026 | Sunday, April 5, 2026 |
Dates based on average last frost. Check your local forecast before planting.
🌿 About Broccoli
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Growing Broccoli in Kentucky: Complete Guide
Broccoli (Brassica oleracea var. italica) is a warm-season crop that needs a head start indoors before Kentucky's last frost. Most Kentucky gardeners begin seeds indoors around Wednesday, March 4, 2026 and move transplants outside around Wednesday, April 15, 2026, after the risk of frost has passed.
Because Kentucky stretches across 4 USDA hardiness zones (6a, 6b, 7a, 7b), planting windows can shift by as much as two to four weeks from one end of the state to the other. Gardeners in the warmer southern zones can start earlier, while those in cooler northern zones should wait until the zone table above shows their last frost has passed.
With 60 days to maturity, Broccoli needs the indoor head start that Kentucky's growing season requires. Starting indoors ensures you have strong transplants ready the moment outdoor conditions are right.
Broccoli requires full sun (6 hours) and regular (1-1.5 inches/week) moisture. Most of Kentucky receives adequate sunlight during the growing season, though gardeners in humid eastern regions should watch for fungal issues and ensure good air circulation.
For the most precise planting dates tailored to your exact location, enter your ZIP code on our planting calendar or use the zone table above to find the schedule for your area of Kentucky.
Growing Broccoli in Kentucky: Local Tips
Climate-specific advice for Kentucky gardeners.
Fall through spring is the only window
In Zones 7–9, transplant broccoli in September for a November–February harvest; spring broccoli often bolts before heading in the Southeast's rapid spring warmup.
Frequently Asked Questions
When should I plant Broccoli in Kentucky?
In Kentucky, start Broccoli seeds indoors around Wednesday, March 4, 2026 and transplant outdoors around Wednesday, April 15, 2026 after your last frost. Kentucky spans zones 6a–7b, so dates shift by 1–4 weeks depending on where you live.
What is the last frost date in Kentucky?
Kentucky spans 4 USDA zones (6a, 6b, 7a, 7b), so last frost dates vary by region. Newport, Mazie (6a) sees frost until around Monday, April 20, 2026, while Frakes, Almo, Columbus (7b) is frost-free much earlier.
How long does Broccoli take to grow in Kentucky?
Broccoli takes about 60 days from transplant (or direct sow) to harvest. Starting seeds indoors in Kentucky gives you a head start so plants are ready to go out after the last frost.
What USDA zones does Kentucky cover for Broccoli?
Kentucky includes zones 6a, 6b, 7a, 7b. Broccoli grows well across all of these zones with adjusted timing — use the zone table above to find the right dates for your part of the state.
Find Precise Dates for Your City
Select a city for exact planting dates based on local frost records.