List 13 – Asclepias tuberosa
Asclepias tuberosa (butterfly weed)
Family: Apocynaceae
USDA Hardiness Zone: 4
Size:
- 24 inches wide
- 24 inches tall
Form:
Soil & Water requirements:
- Dry to average moisture
- Drought tolerant
Exposure:
- Full sun (needs 6 or more hours of direct sunlight)
Leaves:
- Simple, alternate leaf arrangement
- Lanceolate, shinier on top and softer below
- Stems are erect, hairy, and grow in clumps
Flowers:
- Bright orange/tangerine coloured flowers
- Beautiful, showy, unique flowers
- Small flowers born in flat-topped clusters; five petals bending down with five hoods on top, pointing upward
- Three month bloom period; early/mid-summer to late summer/early fall
Maintenance:
- Remove seed pods if you wish to discourage self-seeding
Suitable uses:
- Border planting
- Wildlife planting; particularly to attract butterflies
- Open woodland garden
- Mass planting
- Wildflower or meadow garden
- Cottage garden
Potential pairings:
- Colour compliments: hot pink to purple; blue; lavender
Attracts:
- Monarch butterflies
- Bees
- Beneficial insects
Other:
- Tuberous roots (hence the name ‘tuberosa’)
- Poisonous milky latex sap in the stems and leaves
- Overall, a striking perennial
- Recommended spacing: 38-45cm