Gossypium harknessii
San Marcos Hibiscus
Description
Evergreen shrub grows at a moderate rate to 3' x 4'. Leaves are dark green, glossy and heart-shaped. Flowers are showy yellow with a red center and appear summer to fall. Accepts full sun. Native to the Sonoran Desert.
Sun
Full
Water
Low
Growth Rate
Moderate
Soil Type
Clay
Soil Condition
Average, Well-drained
Soil pH
Basic
Adverse Factors
n/a
As the weather gets hotter avoid the temptation to increase run times.
Instead, schedule more start times with one to two hours in between to allow the water from the previous session to soak in before watering again.