Desert Rosemallow


Scientific Name: Hibiscus coulteri Harvey ex Gray
Synonym: Hibiscus coulteri var. brevipedunculatus
Family: Malvaceae
Recommended Temperature Zone:
USDA: 8b-10

Frost Tolerance: Hardy to 15°F (-9°C)

Heat Tolerance: Very high

Sun Exposure: Full sun to part sun

Origin: USA (Arizona, New Mexico, Texas), northern Mexico, in canyons and rocky slopes, from 1500 to 4500 feet elevation (450-1350 m)

Growth Habits: Shrubby deciduous perennial, sparsely branched, 1 to 4 feet tall and wide (0.3-1.2 m); upper leaves with 3 lobes, 1 inch long (2.5 cm), 0.8 inch wide (2 cm), the lower leaves entire, round or oval, slightly larger.

Watering Needs: Little to moderate water, drought tolerant


Blooming Habits:
The Desert Rosemallow bears creamy white to yellow flowers, 2 inches wide (5 cm). The petals have purplish red spots at their base.


 

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