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Hypericum calycinum (Aaron's beard)

Hypericum calycinum

Aaron's beard or St. John's wort

A widely used and attractive evergreen groundcover which is dense, but not invasive. Deep green, oval leaves and 2" gold flowers with pincushion-like, center-clustered stamens in late spring and early summer. One of the nicest groundcovers when in bloom. Most content in cooler areas away from drying winter winds, although quite tough once established.

SIZE
Hypericum calycinum - 72 per flat Availability
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Height

15-18 Inches

Spread

24 Inches

Bloom Color

Yellow

USDA Hardiness Zone 5-7

Aaron's beard Interesting Notes

Hypericum translates as "above a picture", referring to the fact that in ancient cultures, cuttings from members of the genus were hung above pictures to ward off evil spirits. Calycinum translates as "with a conspicuous calyx", referring to the portion of the corolla structure that lies beneath the yellow petals. - OSU Pocket Gardener

A stoloniferous subshrub or shrublet, typically growing 12" (less frequently to 18") high and 24" wide, which is frequently planted as a ground cover. Features large, rose-like, 5-petaled, yellow flowers (2-3" diameter) having numerous, bushy stamens with reddish anthers. Flowers appear singly or in groups of 2-3 and cover the plant in summer. Oval to oblong, distinctively net-veined (from beneath) leaves (to 4" long) are rich green in sun but are a lighter, yellowish green in shade. Four-angled stems are both procumbent and ascending. Sometimes commonly called Aaron's beard or creeping St. John's wort. Plants of the genus Hypericum (some species have been used since ancient times in the treatment of wounds) were apparently gathered and burned to ward off evil spirits on the eve of St. John's Day, thus giving rise to the genus common name of St. John's wort. - Missouri Botanical Garden

Hypericum calycinum Growing and Maintenance Tips

Prefers loose, well-drained soils in full to partial sun. Tolerant of many types of soils. Variegation and flowers are more prolific in full sun, but will tolerate part shade. May be propagated by seed, division or terminal cuttings. Cut back late winter to promote new flush of colorful leaf color. Easy to grow and low maintenance. Best used as a groundcover or in mass plantings.

Key Characteristics & Attributes

Deer Resistant
Deer Resistant
Full Sun
Full Sun
Part Sun
Part Sun
Summer
Summer
Moist
Moist
Average
Average
Evergreen
Evergreen
Groundcover
Groundcover
Drought Tolerant
Drought Tolerant

Additional Information

Propagation Type
Vegetative
Attributes
Ornamental Foliage
Moist Sun