Cool-Season Vegetable

When to Plant Cauliflower in New York

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 New York's mild climate. New York gardeners can also plant a fall crop. Diverse soils. Rich agricultural land in western NY and Hudson Valley. Rocky in Adirondacks. Clay...

New York Frost Dates

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

Region Zones Last Frost (Spring) First Frost (Fall)
Adirondacks 3b, 4a, 4b May 20 - Jun 5 Sep 5 - Sep 20
Capital Region/Hudson Valley 5a, 5b, 6a May 1 - May 15 Sep 25 - Oct 10
New York City/Long Island 7a, 7b Apr 5 - Apr 20 Oct 20 - Nov 10
Western New York 5b, 6a May 1 - May 15 Sep 25 - Oct 10

Cauliflower Planting Schedule for New York

Adirondacks (Zones 3b, 4a, 4b)

Average last frost: May 20 - Jun 5 · Average first frost: Sep 5 - Sep 20

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

Capital Region/Hudson Valley (Zones 5a, 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

New York City/Long Island (Zones 7a, 7b)

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

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

Western New York (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

Growing Cauliflower in New York

Cauliflower in New York'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 New York

Diverse soils. Rich agricultural land in western NY and Hudson Valley. Rocky in Adirondacks. Clay in some areas.

New York Climate & Growing Season

Wide climate variation. NYC has mild winters. Adirondacks have very short seasons. Lake effect modifies weather near Great Lakes.

Growing season length varies across New York: Adirondacks (3b, 4a, 4b) has a last frost around May 20 - Jun 5, while Western New York (5b, 6a) sees frost end around May 1 - May 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 New York, but your exact planting dates depend on which region you're in. Adirondacks gardeners should plan around a May 20 - Jun 5 last frost, while those in Western New York 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 New York Planting Calendar All plants for New York 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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