St. John's Wort

Hypericum sphaerocarpum

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Type

Trees, Shrubs, & Vines

Forbs & Flowers

Grasses, Sedges, & Rushes

Conditions

Sun

Shade

Wet

Dry

Land Use

Obligate Wetland Plant almost always occurs in wetlands.

Facultative Wetland Usually occurs in wetlands but may occur in non-wetlands.

Facultative Plant occurs both in wetlands and in non-wetlands.

Facultative Upland Usually occurs in wetlands but may occur in non-wetlands.

Obligate Upland Plant almost always occurs in non-wetlands.

This species requires full sun, but will grow in dry to moist soil. Spreads rapidly by underground runners creating a nice ground cover. The profuse flowers are open on the plant for a long period in mid-summer. Requires thinning to prevent spread. Attracts bees. Food source for caterpillars.

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Details

Plant Type

Forbs & Flowers

Conditions

Sun

Dry

Native to Kentucky?

Native to Kentucky

Land Use

Facultative Occurs both in wetlands and in non-wetlands.

Project Uses

Bioswale / Rain Garden / Green Dry Basin

Upland Restoration

Urban / Tree Box

Tendency to Spread

Medium

Height (ft)

1-2

Flower Color

Yellow

Fall Showy?

Flowering Time

June-Sept

Salinity Tolerance

Low Tolerance