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Hypericum calycinum

St. Johnswort

Plant photo of: Hypericum calycinum
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Information by: Jerry Sortomme Editor        Photographer: Engstrom/Mullany/MJC

 

Description

Hypericum calycinum is an evergreen perennial groundcover. It grows 1' high and 1'-2' in spread, and spreads by underground runners. Yellow flowers bloom in the summer. Foliage is dark green. In some areas, it is considered invasive. 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

Invasive

Water Saving Tip:

Adjust sprinklers to avoid watering sidewalks and driveways.