Balloon Milkweed
Gomphocarpus Physocarpus
Overview
Balloon Milkweed (Gomphocarpus physocarpus) is a striking perennial, reaching up to 6 ft tall. Known for its globular, spiny seed pods, about 3 in across, this plant offers unique texture. Pale pink flowers bloom summer to fall, attracting butterflies. Prefers full sun to partial shade and well-drained soil. Drought-tolerant once established. Use in backgrounds or as accent for wildlife-friendly designs. Hardy in zones 8 to 11.
Sun FullWater Very LowZones 8–10Type Shrub
Culture
- Sun
- Full
- Water
- Very Low
- USDA zones
- 8–10
Shape & size
Classification
- Type
- Shrub
- Family
- Apocynaceae
See full data, regional cultivation notes, and design tools. Build a client presentation around this plant.
Start your 14-day trialPhotos (176)
Related plants
Adrift™ Wax Vine
Hoya rosita
Half
Vine
Alice Du Pont Mandevilla
Mandevilla 'Alice Du Pont'
FullUSDA 9–11
Perennial
Arkansas Amsonia
Amsonia Hubrichtii
FullUSDA 4–9
Perennial
Blue Ice Amsonia
Amsonia Tab. 'Blue Ice'
FullUSDA 4–9
Blushing Sunset™ Wax Vine
Hoya wibergiae
Half
Shrub
Bridal Bouquet Frangipani
Plumeria Acuminata 'Bridal Bouquet'
FullUSDA 10–10