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Hypericum calycinum

Creeping St. Johnswort

Plant photo of: Hypericum calycinum
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Information by: Jerry Sortomme Editor        Photographer: GardenSoft

 

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.

 

Plant Type

Shrub, Ground cover

Height Range

1-3'

Flower Color

Yellow

Flower Season

Spring, Summer, Fall

Leaf Color

Green, Dark Green, Light Green

Bark Color

n/a

Fruit Color

n/a

Fruit Season

n/a

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

Design Styles

Meadow, Mediterranean, Seascape, Woodland

Accenting Features

Showy Flowers

Seasonal Interest

Summer

Location Uses

Parking Strip, Parking Lot, With Rocks

Special Uses

Erosion Control, Filler, Mass Planting, Lawn Substitute, Small Spaces

Attracts Wildlife

n/a

Water Saving Tip:

Watering every day results in shallow roots.

Instead, water deeply every few days using the Cycle and Soak method (two or more short run times, each separated by about an hour).