When to Plant Black-Eyed Susans in New Mexico
Cheerful golden blooms that attract butterflies and tolerate drought. A backbone of the low-maintenance perennial garden.
The Short Answer
New Mexico Frost Dates
Your planting dates depend on which part of New Mexico you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern New Mexico | 4a, 4b, 5a, 5b | May 5 - May 25 | Sep 15 - Oct 5 |
| Central New Mexico (Albuquerque) | 7a, 7b | Apr 1 - Apr 20 | Oct 15 - Nov 5 |
| Southern New Mexico | 7b, 8a, 8b | Mar 15 - Apr 5 | Oct 25 - Nov 15 |
Black-Eyed Susans Planting Schedule for New Mexico
Northern New Mexico (Zones 4a, 4b, 5a, 5b)
Average last frost: May 5 - May 25 · Average first frost: Sep 15 - Oct 5
Central New Mexico (Albuquerque) (Zones 7a, 7b)
Average last frost: Apr 1 - Apr 20 · Average first frost: Oct 15 - Nov 5
Southern New Mexico (Zones 7b, 8a, 8b)
Average last frost: Mar 15 - Apr 5 · Average first frost: Oct 25 - Nov 15
Growing Black-Eyed Susans in New Mexico
Black-Eyed Susans in New Mexico'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 New Mexico
Alkaline desert soils. Low organic matter. Caliche layers common. Heavy amendment with compost essential.
New Mexico Climate & Growing Season
High desert climate. Intense sun. Low humidity. Wide temperature swings day to night. Irrigation essential. Black-Eyed Susans can handle frost well, which is an advantage in New Mexico's climate. You can push planting dates earlier in spring and extend into fall.
Growing season length varies across New Mexico: Northern New Mexico (4a, 4b, 5a, 5b) has a last frost around May 5 - May 25, while Southern New Mexico (7b, 8a, 8b) sees frost end around Mar 15 - Apr 5. 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