Cool-Season Vegetable

When to Plant Cauliflower in Alabama

The diva of the brassica family. More temperamental than broccoli but worth the extra attention.

The Short Answer

Cauliflower are cold-tolerant and do well in Alabama's humid climate. Alabama gardeners can also plant a fall crop. Red clay soils in north, sandy loam in south. Amend with compost for drainage in clay areas.

Alabama Frost Dates

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

Region Zones Last Frost (Spring) First Frost (Fall)
Northern Alabama 7a, 7b Mar 25 - Apr 10 Oct 20 - Nov 5
Central Alabama 7b, 8a Mar 15 - Apr 1 Nov 1 - Nov 15
Southern Alabama 8a, 8b Feb 28 - Mar 15 Nov 10 - Nov 25

Cauliflower Planting Schedule for Alabama

Northern Alabama (Zones 7a, 7b)

Average last frost: Mar 25 - Apr 10 · Average first frost: Oct 20 - Nov 5

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

Central Alabama (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
Fall Planting
10 wks before first frost

Southern Alabama (Zones 8a, 8b)

Average last frost: Feb 28 - Mar 15 · Average first frost: Nov 10 - Nov 25

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

Growing Cauliflower in Alabama

Cauliflower in Alabama's Climate

Cauliflower requires the most precise timing of any brassica in warm climates. Your 'cool season' may be warmer than northern states' summers, making heading unpredictable. Choose heat-tolerant varieties bred to head at warmer temperatures. Fall planting targeting head development in December-January is most reliable.

Soil Considerations for Alabama

Red clay soils in north, sandy loam in south. Amend with compost for drainage in clay areas.

Alabama Climate & Growing Season

Long growing season. Hot, humid summers. Mild winters allow for fall and winter gardening in southern regions.

Growing season length varies across Alabama: Northern Alabama (7a, 7b) has a last frost around Mar 25 - Apr 10, while Southern Alabama (8a, 8b) sees frost end around Feb 28 - Mar 15. This difference matters for cauliflower — adjust your planting dates to match your specific region.

Growing Tips

Blanch white varieties by tying outer leaves over the head when it reaches 2 inches. Temperature swings cause buttoning.

Companion Planting

Plant cauliflower alongside these companions for better growth:

Beets Celery Onions

Keep cauliflower away from:

Strawberries Tomatoes

The Bottom Line

Cauliflower can be grown successfully across Alabama, but your exact planting dates depend on which region you're in. Northern Alabama gardeners should plan around a Mar 25 - Apr 10 last frost, while those in Southern Alabama can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Cauliflower Growing Guide National planting guide with all states Alabama Planting Calendar All plants for Alabama Cauliflower in Alaska Alaska planting dates Cauliflower in Arizona Arizona planting dates Cauliflower 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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