Photo by Melody

PlantFiles: St. John's rosemallow
Hibiscus kokio subsp. saintjohnianus

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Hibiscus (hi-BIS-kus) (Info)
Species: kokio subsp. saintjohnianus

» View all varieties of Hibiscus

over 40 ft. (12 m)

Unknown - Tell us

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
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Bloom Color:

Bloom Time:
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Other details:
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Soil pH requirements:
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Patent Information:
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Propagation Methods:
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Seed Collecting:
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1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive HawaiiHerbLady On Jul 14, 2009, HawaiiHerbLady from Keaau, HI wrote:

This is a tropical hibiscus, endangered, from Kauai. It does well under the right conditions in Hawaii. I have not seen it produce seed and have not had success making cuttings. It is special.

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