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

Hypericum Prolificum

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Overview

Creeping St. John's Wort, Aaron's Beard (Hypericum prolificum), is a vigorous groundcover plant featuring dense, woody stems that spread horizontally. Its sun-loving nature suits USDA zones 4-8. Expect a height of 12–18 inches and a spread of 18–24 inches. This perennial showcases yellow, star-shaped flowers in summer, which provide a striking contrast to its bluish-green foliage. Ideal for slopes and banks, it offers erosion control and attracts pollinators.

Sun Full, Half, ShadeWater Extra in Summer, MediumZones 3–8Type Ground coverClimate Temperate
Creeping St. John's Wort, Aaron's B (Hypericum Prolificum) — Hypericum prolificum serves well as a ground cover

Culture

Sun
Full, Half, Shade
Water
Extra in Summer, Medium
USDA zones
3–8

Shape & size

Mature height
1–4 Ft.
Mature width
1–4 Ft.

Classification

Type
Ground cover
Family
Hypericaceae
Climate
Temperate

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Photos (48)

Creeping St. John's Wort, Aaron's B (Hypericum Prolificum) — each blossom measuring up to 1 inch across
Creeping St. John's Wort, Aaron's B (Hypericum Prolificum) — making it an ideal choice for both novice and experienced gardeners
Creeping St. John's Wort, Aaron's B (Hypericum Prolificum) — inviting an array of pollinators including bees and butterflies
Creeping St. John's Wort, Aaron's B (Hypericum Prolificum) — star-shaped flowers in summer
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Hypericum Prolificum
Photographs by 3 contributors

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