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Hypericum calycinum

Creeping St. John's wort, Aaron's B

Plant photo of: Hypericum calycinum
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Information by: PlantMaster        Photographer: Engstrom/Mullany/MJC

 

Description

Hypericum calycinum is an evergreen ground cover. It grows 1' high and spreads by underground runners. In some areas, it is considered invasive because of these runners. Yellow flowers bloom in the summer. Foliage is dark green in sun and yellow green in shade. It prefers sandy and alkaline soil. It can grow in full sun to full shade. It does well in average, well draining soil. In frost-free areas, this ground cover is evergreen and in cold winter areas, this plant is deciduous but comes back in spring. This plant does well in covering areas with tree roots. It can be planted on slopes to stabilize hillsides. It does not do well in humid areas, suffering from root rot and wilt.

 

Plant Type

Ground cover

Height Range

Under 1', 1-3'

Flower Color

Yellow

Flower Season

Summer

Leaf Color

Dark Green, Yellow 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, Loam, Rocky

Soil Condition

Average, Well-drained, Dry

Soil pH

Basic

Adverse Factors

Invasive

Design Styles

English Cottage, Meadow, Mediterranean, Seascape, Woodland

Accenting Features

Showy Flowers

Seasonal Interest

Summer

Location Uses

Lawn, Parking Strip, Parking Lot, Roadside, Walkways, With Rocks

Special Uses

Cascade, Erosion Control, Mass Planting, Lawn Substitute, Naturalizing

Attracts Wildlife

n/a

Water Saving Tip:

Adjust sprinklers to avoid watering sidewalks and driveways.