About

Hypericum richeri, the fringed St John's wort, is a herbaceous perennial producing paired, oval leaves and showy, golden-yellow flowers in summer. An ornamental and reliable perennial St John's wort for a sunny or partly shaded border.

About the genus

Hypericum, the St John's worts, are annuals, perennials, shrubs or trees, evergreen or deciduous, with usually paired leaves and showy, five-petalled, yellow flowers with prominent stamens, followed by capsular or berry-like fruits. An enormously versatile genus for sun and shade in well-drained soils.

Growing conditions

SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Poorly-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH6

Plant details

Plant typeHerbaceous Perennial
HabitSpreading branched
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesWildflower meadow, Wildlife gardens
Native toEurope, SW Asia
ToxicityFruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers

Care notes

CultivationGrow in any poor to moderately fertile soil that does not dry out
PruningNo pruning required
PropagationPropagate by seed
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to a rust and honey fungus (rarely)