Hibiscus splendens is a fast-growing perennial species that grows about 10 to 14 feet tall here in San Francisco.  It takes on a tall, Christmas tree shape if left unpruned.  The leaves on this plant are terrific.  They are fuzzy like felt, and about 7 inches long.  The large blooms appear all throughout spring and summer, and occasionally other times of the year.  The petal color starts out a rich pink, and softens up as the bloom fully opens, while the center stays a deep red.

Hibiscus splendens comes from New South Wales in Australia, where temperatures are moderate year-round and nights are cool.  I have no information on how it will do in very warm conditions, so consider it experimental in areas that regularly get above 85 degrees F (29°C), especially if nights are warm.  It can handle an occasional, light frost, but it’s best to protect it from all frost.  It grows well in a pot, and you may prune it to any height that's convenient.  It prefers mostly sunny conditions.  Some afternoon shade might be needed in warmer areas.  Give it well-draining soil and regular watering.  Avoid fertilizers that are very high in phosphorous, like "bloom" fertilizer.

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