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Hypericum patulum is an evergreen shrub that can grow up to 1.00 metres tall.
It is harvested from the wild for local use as a medicine and source of materials..
E. Asia - W. China, Japan, Himalayas.
Shady ravines, sometimes on rocks[
]. Open hillsides, 1500 - 2400 metres in the Himalayas[
Easily grown in any reasonably good well-drained but moisture retentive soil[
]. Succeeds in sun or semi-shade but flowers better in a sunny position[
This species is only hardy to about -5°c but plants can resprout from the base if they are cut back by cold[
Plants in this genus are notably resistant to honey fungus[
The seeds are aromatic and stimulant[
Plants are sometimes grown as a hedge[
Wood - close grained, moderately hard[
Seed - sow spring in a greenhouse and only just cover the seed. Germination usually takes place within 1 - 3 months at 10°c. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts.
Cuttings of half-ripe wood 10 - 12 cm with a heel, mid summer in a frame. Plant out in the following spring[
Cuttings of mature wood, 12 - 17cm with a heel, autumn in a sheltered position outdoors. Plants root by the spring. Good percentage[