Perennial Flower

When to Plant Daylilies in New York

Nearly indestructible perennials with stunning trumpet-shaped blooms. Each flower lasts just one day, but the show goes on for weeks.

The Short Answer

In New York, plant daylilies based on your regional frost dates. Adirondacks has a last frost around May 20 - Jun 5, while Western New York sees frost end around May 1 - May 15. Wide climate variation. NYC has mild winters. Adirondacks have very short seasons. Lake effect modifies weather near...

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

Daylilies Planting Schedule for New York

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

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

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Capital Region/Hudson Valley (Zones 5a, 5b, 6a)

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

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

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

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Western New York (Zones 5b, 6a)

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

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Growing Daylilies in New York

Daylilies in New York's Climate

Daylilies thrive in your four-season climate. Plant from spring through early fall. The full range of varieties works — dormant, semi-evergreen, and evergreen. Minimal maintenance required. Divide every 3-4 years to maintain vigor.

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. Daylilies can handle frost well, which is an advantage in New York's climate. You can push planting dates earlier in spring and extend into fall.

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 daylilies — adjust your planting dates to match your specific region.

Growing Tips

Plant bare-root or divisions in spring or fall. Divide clumps every 3-4 years to maintain vigor. Deadhead to keep gardens tidy.

Companion Planting

Plant daylilies alongside these companions for better growth:

Coneflowers Black Eyed Susans

The Bottom Line

Daylilies 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

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