Cool-Season Vegetable

When to Plant Cauliflower in Massachusetts

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 Massachusetts's varied climate. Massachusetts gardeners can also plant a fall crop. Rocky, acidic New England soils. Glacial deposits. Raised beds popular. Amend heavily with compost.

Massachusetts Frost Dates

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

Region Zones Last Frost (Spring) First Frost (Fall)
Western Massachusetts 5b, 6a May 1 - May 20 Sep 20 - Oct 10
Central Massachusetts 5b, 6a May 1 - May 15 Sep 25 - Oct 10
Coastal/Cape 6b, 7a Apr 15 - May 1 Oct 15 - Nov 1

Cauliflower Planting Schedule for Massachusetts

Western Massachusetts (Zones 5b, 6a)

Average last frost: May 1 - May 20 · Average first frost: Sep 20 - Oct 10

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

Central Massachusetts (Zones 5b, 6a)

Average last frost: May 1 - May 15 · Average first frost: Sep 25 - Oct 10

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

Coastal/Cape (Zones 6b, 7a)

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

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

Growing Cauliflower in Massachusetts

Cauliflower in Massachusetts's Climate

Fall cauliflower is more reliable than spring in your climate. The consistent cooling trend from September through October gives cauliflower the steady conditions it demands. Spring plantings risk bolting if temperatures spike above 80°F during heading. Start with fall production before attempting spring.

Soil Considerations for Massachusetts

Rocky, acidic New England soils. Glacial deposits. Raised beds popular. Amend heavily with compost.

Massachusetts Climate & Growing Season

Four seasons. Maritime influence moderates coastal areas. Cold winters. Good growing season with adequate moisture.

Growing season length varies across Massachusetts: Western Massachusetts (5b, 6a) has a last frost around May 1 - May 20, while Coastal/Cape (6b, 7a) sees frost end around Apr 15 - May 1. 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 Massachusetts, but your exact planting dates depend on which region you're in. Western Massachusetts gardeners should plan around a May 1 - May 20 last frost, while those in Coastal/Cape 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 Massachusetts Planting Calendar All plants for Massachusetts Cauliflower in Alabama Alabama planting dates 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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