The Hibiscus Database: Heartleaf Hibiscus (Hibiscus martianus)
|| Heartleaf Hibiscus
|| Heartleaf rosemallow
|| Tulipan del Monte
General Plant Information (Edit)
Full Sun to Partial Shade
|Minimum cold hardiness:
||Zone 8b -9.4 °C (15 °F) to -6.7 °C (20 °F)
Edible to birds
Late spring or early summer
Late summer or early fall
||Windbreak or Hedge
Suitable for xeriscaping
||Scarify seeds: Pour boiling water on them, soak overnight.
Days to germinate: 7 to 10
Can handle transplanting
Other info: While both tropical hibiscus and hardy hibiscus can be propagated from seeds, typically only hardy hibiscus is propagated this way. This is because the seeds of tropical hibiscus will not come true from seed and will look different from the parent.
|Propagation: Other methods:
||Suitable in 1 gallon
Suitable in 3 gallon or larger
|Posted by SongofJoy (TN - Zone 7a) on Mar 9, 2012 3:49 PM
While valuable in the butterfly garden due to its heat and drought tolerance, Heartleaf Hibiscus has magnificent flowers ranging from two to three inches in diameter. The flowering period is long, from spring through fall but is dependent on rainfall.
Flowers and fruits of the Heartleaf Hibiscus serve as caterpillar food for the Yojoa Scrub-Hairstreak, Mallow Scrub-Hairstreak and Gray Hairstreak.
Heartleaf Hibiscus is an excellent long-blooming nectar source for butterflies.
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