Hypericum calycinum
Creeping St. Johnswort
Description
Hypericum calycinum is an evergreen perennial ground cover. It grows 1' high and 1'-2' in spread, and spreads by underground runners. Yellow flowers bloom in the summer. The foliage is dark green. In some areas, it is considered aggressive. It prefers sandy and alkaline soil.
Sun
Full, Half, Shade
Water
Medium, Extra in Summer
Growth Rate
Fast
Soil Type
Sandy
Soil Condition
Average, Poor, Well-drained, Dry
Soil pH
Basic
Adverse Factors
n/a
In shrub areas, convert from spray sprinklers to bubbler or drip systems that apply water directly to roots.
Occasionally check the soil's moisture level around shrubs before and after watering to determine if watering times are appropriate.