Cool-Season Vegetable

When to Plant Broccoli in North Carolina

A nutrition powerhouse that thrives in cool weather. Harvest the main head, then enjoy weeks of side shoots.

The Short Answer

North Carolina's three growing regions each offer productive broccoli windows. Mountain gardeners grow spring and fall crops in the traditional manner. Piedmont gardeners focus on fall, which produces superior broccoli in the gradually cooling Piedmont autumn. Coastal gardeners grow broccoli through the mild winter.

North Carolina Frost Dates

Your planting dates depend on which part of North Carolina you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Mountains 5b, 6a, 6b Apr 25 - May 15 Sep 25 - Oct 10
Piedmont 7a, 7b Apr 1 - Apr 15 Oct 20 - Nov 5
Coastal Plain 7b, 8a Mar 15 - Apr 1 Nov 1 - Nov 15

Broccoli Planting Schedule for North Carolina

Mountains (Zones 5b, 6a, 6b)

Average last frost: Apr 25 - May 15 · Average first frost: Sep 25 - Oct 10

Start Seeds Indoors
6 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
10 wks before first frost

Piedmont (Zones 7a, 7b)

Average last frost: Apr 1 - Apr 15 · Average first frost: Oct 20 - Nov 5

Start Seeds Indoors
6 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
10 wks before first frost

Coastal Plain (Zones 7b, 8a)

Average last frost: Mar 15 - Apr 1 · Average first frost: Nov 1 - Nov 15

Start Seeds Indoors
6 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
10 wks before first frost

Growing Broccoli in North Carolina

State-Specific Growing Tips

Mountains: spring transplant from mid-March, fall transplant from late July. Piedmont: fall transplant from late August to September — this is the primary season. Coastal plain: transplant from October for winter harvest. NC State Extension emphasizes fall broccoli for the Piedmont — the declining temperatures and reduced pest pressure produce the best heads. In the Piedmont clay, amend with compost and add lime if pH is below 6.5.

Recommended Varieties for North Carolina

NC State recommends Belstar, Green Magic, and Marathon for fall production. DeCicco for extended side-shoot harvest. For the mountain spring season, Waltham 29 and Green Comet perform well. NC State variety trials include detailed broccoli performance data by region.

Common Challenges in North Carolina

Cabbage worms across all regions — Bt is essential. Harlequin bugs in the Piedmont and coastal plain. Aphids inside developing heads. Clubroot in acidic soils. In spring Piedmont plantings, rapid warm-up in May can cause bolting.

Growing Tips

Harvest main head while buds are tight. Side shoots will continue producing for weeks after the main harvest.

Companion Planting

Plant broccoli alongside these companions for better growth:

Beets Celery Onions Potatoes

Keep broccoli away from:

Tomatoes Peppers Strawberries

The Bottom Line

Broccoli can be grown successfully in North Carolina with proper attention to regional frost dates and local growing conditions. Timing varies across the state — Mountains gardeners work with a last frost around Apr 25 - May 15, while Coastal Plain sees frost end around Mar 15 - Apr 1. Choose varieties suited to your region, amend your soil based on its specific needs, and monitor for the pests and diseases most common in your area. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Broccoli Growing Guide National planting guide with all states North Carolina Planting Calendar All plants for North Carolina Broccoli in Alabama Alabama planting dates Broccoli in Alaska Alaska planting dates Broccoli in Arizona Arizona planting dates Broccoli in Arkansas Arkansas planting dates
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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