Warm-Season Vegetable

When to Plant Tomatoes in New York

America's favorite garden vegetable (technically a fruit). Nothing beats a sun-warmed tomato straight off the vine.

The Short Answer

In New York, tomatoes planting dates vary by region. In Adirondacks, your average last frost is around May 20 - Jun 5, while Western New York sees its last frost around May 1 - May 15. Since tomatoes are frost-sensitive, start seeds indoors 6 weeks before your last frost, then transplant outside 2 weeks after frost danger has passed. Diverse soils. Rich agricultural land in western NY and Hudson Valley. Rocky in Adirondacks. Clay in some areas.

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

Tomatoes 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 after frost
Direct Sow
2 wks after 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 after frost
Direct Sow
2 wks after 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 after frost
Direct Sow
2 wks after 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 after frost
Direct Sow
2 wks after frost

Growing Tomatoes in New York

Tomatoes in New York's Climate

Your moderate climate with 170-200 frost-free days is solid tomato territory. Most standard varieties have plenty of time to produce, and you don't need the extreme heat management that southern growers face. Start seeds indoors 6 weeks before your last frost date and transplant once nights stay above 55°F. Ohio, Pennsylvania, and Indiana gardeners have been growing excellent tomatoes for generations — the climate is right in the sweet spot.

Soil Considerations for New York

Diverse soils. Rich agricultural land in western NY and Hudson Valley. Rocky in Adirondacks. Clay in some areas. Make sure soil has warmed to at least 60°F before planting tomatoes outside.

New York Climate & Growing Season

Wide climate variation. NYC has mild winters. Adirondacks have very short seasons. Lake effect modifies weather near Great Lakes. Tomatoes cannot tolerate any frost, so wait until all frost danger has passed before transplanting outside. Watch local forecasts carefully in spring.

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 tomatoes — transplant timing shifts by several weeks across the state.

Growing Tips

Pinch off suckers for indeterminate varieties. Stake or cage for best results. Water at the base, not overhead, to prevent blight.

Companion Planting

Plant tomatoes alongside these companions for better growth:

Basil Carrots Peppers Marigolds

Keep tomatoes away from:

Brassicas Fennel Dill

The Bottom Line

Tomatoes 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.
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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