Perennial Flower

When to Plant Daylilies in Nevada

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 Nevada, plant daylilies based on your regional frost dates. Northern Nevada (Reno) has a last frost around May 1 - May 20, while Mountain Nevada sees frost end around May 25 - Jun 15. Arid climate. Extreme heat in summer (Las Vegas). Short season at altitude. Very low humidity. Water conservation...

Nevada Frost Dates

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

Region Zones Last Frost (Spring) First Frost (Fall)
Northern Nevada (Reno) 6b, 7a May 1 - May 20 Sep 25 - Oct 15
Las Vegas 8b, 9a, 9b Feb 10 - Mar 5 Nov 10 - Dec 1
Mountain Nevada 4a, 4b, 5a, 5b May 25 - Jun 15 Aug 25 - Sep 15

Daylilies Planting Schedule for Nevada

Northern Nevada (Reno) (Zones 6b, 7a)

Average last frost: May 1 - May 20 · Average first frost: Sep 25 - Oct 15

Transplant Outside
0 wks after frost

Las Vegas (Zones 8b, 9a, 9b)

Average last frost: Feb 10 - Mar 5 · Average first frost: Nov 10 - Dec 1

Transplant Outside
0 wks after frost

Mountain Nevada (Zones 4a, 4b, 5a, 5b)

Average last frost: May 25 - Jun 15 · Average first frost: Aug 25 - Sep 15

Transplant Outside
0 wks after frost

Growing Daylilies in Nevada

Daylilies in Nevada's Climate

Daylilies grow well in subtropical conditions — unlike hostas, they handle the heat. Choose evergreen varieties for year-round foliage. Dormant types don't get enough cold for proper dormancy cycling and perform poorly. Stella de Oro and other rebloomers produce flushes of bloom throughout the long warm season.

Soil Considerations for Nevada

Desert soils — alkaline, low organic matter. Extremely dry. Heavy amendment essential. Irrigation required.

Nevada Climate & Growing Season

Arid climate. Extreme heat in summer (Las Vegas). Short season at altitude. Very low humidity. Water conservation critical. Daylilies can handle frost well, which is an advantage in Nevada's climate. You can push planting dates earlier in spring and extend into fall.

Growing season length varies across Nevada: Northern Nevada (Reno) (6b, 7a) has a last frost around May 1 - May 20, while Mountain Nevada (4a, 4b, 5a, 5b) sees frost end around May 25 - Jun 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 Nevada, but your exact planting dates depend on which region you're in. Northern Nevada (Reno) gardeners should plan around a May 1 - May 20 last frost, while those in Mountain Nevada can typically plant later. 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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