Rose-of-Sharon - Hypericum calycinum
Hypericum calycinum is a fast growing shrub to 60 cm in height, with creeping rhizomatous rootstock, often forming extensive patches. Leaves opposite, oblong to elliptical, scarcely stalked. Flowers yellow, 70 to 80 mm, terminal, solitary or 2 or 3 together with reddish anthers.
Low growing shrub rooting at rhizomes, so usually forming large patches; 5 styles; stamens long (about three-quarters as long as petals)
Photo of plant in its habitat
Often found as an escape from cultivation and near to habitation, usually on disturbed ground. It can be persistent where it occurs.
Flowers June to September.
Evergreen.
Widespread and fairly frequent in Britain.
Uncommon or under recorded as a naturalised plant in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was only found in 1 of the 617 tetrads.
Leicestershire & Rutland Map
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Species profile
- Common names
- Rose-of-Sharon, Creeping St. John's Wort
- Species group:
- flowering plant
- Kingdom:
- Plantae
- Order:
- Malpighiales
- Family:
- Hypericaceae
- Records on NatureSpot:
- 2
- First record:
- 08/07/2016 (Calow, Graham)
- Last record:
- 29/04/2019 (Parry, Russell)
Total records by month
% of records within its species group
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Fomoria septembrella
The larva of the moth Fomoria septembrella mines the leaves of Hypericum species, most commonly Perforate St John's-wort at first in a narrow gallery, later becoming a blotch mine.