Rob's plants home garden plants wildlife seed photos plant sale journal topics plantlinks fun guestbook Gomphocarpus physocarpus

 

Synonym(s) Asclepias physocarpa Common name pufferfish milkweed; balloon cottonbush Family apocynaceae Life cycle tender perennial (Z7-10) Flowers white Size 3-6' Light sun-part shade The common names refer to the seedpods, shaped like hairy balloons. The individual flowers look much like those of their close relatives, the Asclepias species, but are borne in looser clusters. I planted ours out in late spring, in a partly shaded area. The plants took a long time to reach any size, and didn't bloom till the second half of October - so I don't think I'll see the seedpods after all. Next time, I'll give them full sun, in hopes of inducing earlier bloom.

In our garden, this plant grows in the following area: back yard island

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Seed-starting details for this plant

2009. Seed from HPS/MAG '08/'09 exchange. Baggy 70F (40%G, 5-12d)

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Last modified: November 14, 2009
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