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.
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Hypericum calycinum LP50 - 50 per flat | Availability |
Hypericum calycinum - 72 per flat | Availability |
Height15-18 Inches |
Spread24 Inches |
Spacing12 Inches |
Bloom ColorYellow |
USDA Hardiness Zone 5-7 |
The value of Hypericum calycinum is the ability to provide an attractive semi-evergreen groundcover that is dense but not invasive. It is able to tolerate a wide variety of situations from poor to sandy to compacted soils, heat, drought, and different pH levels; Aaron’s beard is great for anywhere you would like a low-maintenance groundcover. The perennial grows 12”-18” tall and spreads up to 24” wide.
Originally from Southeast Europe and parts of Asia Minor, Hypericum calycinum grows best in loose, well-drained soils in full to partial sun. As with most plants, more sunlight increases flower production. Flowers are 5-petaled yellow flowers growing 2” in diameter. Related to the St. John’s wort with medicinal properties, this species is considered medically insignificant.
Perfect for use as a groundcover or in mass plantings, it is suggested that the plant be sheared back in winter to promote new growth in colder climates. H. calycinum is semi-evergreen in Southern regions but can also be mowed in late winter to rejuvenate the plant. The plant is most content in cooler areas away from drying winter winds but is quite tough once established. Aaron’s beard comes highly recommended by plantsman, Dr. Allan Armitage.
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.
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