Description
H. calycinum – Aaron’ Beard – Rose of Sharon – Creeping St. John’s Wort – This rapidly, spreading, dwarf, evergreen or semi evergreen shrub, from Bulgaria and Turkey grows 15-24″ tall with an indefinite spread.It produces oblong to elliptic or narrowly ovate, dark green leaves, to 4″ long, paler green beneath.From mid summer to mid autumn it bears saucer shaped, bright yellow flowers, to 4″ across, with long stamens, are held singly, or occasionally in small cymes of 2 or 3.Good ground cover in shade.
Grow in moderately fertile, moist but well drained soil, the larger species in sun or partial shade, the dwarf species in full sun and in sharply drained soil.Grow H. elodes along the margins of muddy-bottomed pool, in no more than 1″ of water, in dappled shade.Protect small rock garden species from excessive winter moisture, shelter evergreen Hypericums from cold, drying winds.
Zones 5-9
