Of course it does.

The double flowered cultivars seem to last longer because of the extra
petals but they only open to full size for only one day.


"told2b" wrote in message
ups.com...

Cereus-validus....... wrote:

No matter how you grow the plants, individual Hibiscus flowers open only
for
a single day.

Does this apply to Rose of Sharon (Hibiscus syriacus) too?
Thanks