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
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
Las Vegas (Zones 8b, 9a, 9b)
Average last frost: Feb 10 - Mar 5 · Average first frost: Nov 10 - Dec 1
Mountain Nevada (Zones 4a, 4b, 5a, 5b)
Average last frost: May 25 - Jun 15 · Average first frost: Aug 25 - Sep 15
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:
The Bottom Line
Last reviewed: March 29, 2026