When to Plant Black-Eyed Susans in Nevada
Cheerful golden blooms that attract butterflies and tolerate drought. A backbone of the low-maintenance perennial garden.
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 |
Black-Eyed Susans 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 Black-Eyed Susans in Nevada
Black-Eyed Susans in Nevada's Climate
Black-eyed Susans grow in the northern parts of subtropical zones (north Florida, south Texas). In the hottest areas, they may underperform compared to more tropical-adapted wildflowers. Native Florida Rudbeckia species are best adapted.
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. Black-Eyed Susans 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 black-eyed susans — but black-eyed susans handle frost well, so the timing difference is less critical.
Growing Tips
Leave seed heads standing through winter for birds and visual interest. Self-seeds freely — deadhead if you don't want more.
Companion Planting
Plant black-eyed susans alongside these companions for better growth:
The Bottom Line
Last reviewed: March 29, 2026