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
Check your irrigation controller once a month, and adjust as necessary.
Most plants require only one-third as much water in winter as they do in summer.