Balloon Plant Milkweed – Gomphocarpus physocarpus

Balloon Plant, Gomphocarpus physocarpus, is a member of the milkweed family although not normally labeled an Asclepias species.

Balloon Milkweed Plant Gomphocarpus physocarpus Monarch & Queen host plant

Balloon Milkweed Plant
Gomphocarpus physocarpus
Monarch & Queen host plant

Balloon Hairy Balls Plant Gomphocarpus physocarpus Monarch & Queen host plant

Balloon Plant
Gomphocarpus physocarpus
Monarch & Queen host plant

Balloon Swan Plant Gomphocarpus physocarpus Queen butterfly caterpillar

Balloon Swan Plant
Gomphocarpus physocarpus
Queen butterfly caterpillar

Balloon Swan Plant Gomphocarpus physocarpus Monarch butterfly caterpillar

Balloon Swan Plant
Gomphocarpus physocarpus
Monarch butterfly caterpillar

Monarch laying eggs Balloon Plant Gomphocarpus physocarpus Monarch & Queen host plant

Balloon Plant
Gomphocarpus physocarpus
Monarch & Queen host plant
Monarch laying eggs

Balloon Plant Milkweed Gomphocarpus physocarpus Eaten by Monarch & Queen caterpillars

Balloon Plant Milkweed
Gomphocarpus physocarpus
Eaten by Monarch & Queen caterpillars

Balloon Milkweed Gomphocarpus physocarpus

Balloon Milkweed
Gomphocarpus physocarpus

Called by several common names, it is a popular non-native milkweed in the United States. It is also called Cotton-bush,Hairy Balls, Oscar, and Swan Plant. Many people disagree with this plant carrying the common name ‘swan’ as it is more correctly applied to Gomphocarpus fruticosus. The seed pod of Gomphocarpus fruticosus is shaped like the body of a swan. Growing conditions and habit are the same for both species.

Zones 6-9

Annual or tender perennial

Blooms: White to lavender

Height: 7′ and possibly taller

Full sun to light shade

Propagation: Seed

Seed pods: Round, rough textured ball shaped with small soft spikes

Drought tolerant

Non-native

Leave a Reply

Your email address will not be published. Required fields are marked *

*

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>