top of page
Popular common name:

Whorled milkweed

Botanical Nomenclature:
Asclepias verticillata

southeastern Arizona. Twenty extant occurrences within USDA Forest Service (USFS) Region 2 include one from the

Unique Attributes of 

Asclepias verticillata

1 Flower Color

White, Cream, Green

2 Plant Height

1-2 feet

3 USDA Zones

3b-11a

4 Bloom Timing

March, April, May, June, July, August, September, October

5 Light Preference

Full Sun, Part Sun

6 Soil Moisture

Low, Medium

7 Soil Substraite

Adaptable

8 Ecoregion I/II

9 Soil Moisture

Low, Medium

10 Difficulty Rank

🟡 Moderate

bottom of page