Plant Calculator
Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Asclepias asperula you will need.
*Correct and successful spacing is complex and depends on project conditions.
Asclepias asperula
Spider Milkweed (Antelope Horn Milkweed)
- Requires exceptionally well-drained, sandy, or rocky soil
- Low water needs. Drought-tolerant once established
- Serves as a vital host plant for Monarch, Soldier, and Queen caterpillars
- Category: Perennials
- Hardiness Zone: 3-9
- Height: 1-2 ft
- Spread: 1-2 ft
- Bloom Color: Green, Red, Yellow
- Foliage Color: Green
Attracts Wildlife
| • | Attracts Pollinators |
Foliage Color
| • | Green |
Soil Moisture
| • | Dry Soil |
Habit
| • | Mounding |
Season of Interest (Flowering)
| • | Summer |