About
Rowallane' is an upright medium-sized semi-evergreen shrub with arching branches bearing ovate leaves and large, bowl-shaped, deep golden-yellow flowers to 7cm in width.
About the genus
Hypericum can be annuals, perennials, shrubs or trees, evergreen or deciduous, with usually paired leaves and showy yellow flowers with prominent stamens, followed by capsules, occasionally berry-like
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectNorth-facing, East-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH4
Plant details
Plant typeShrubs
HabitBushy
FoliageSemi evergreen
Height1.5-2.5 metres
Spread0.5-1 metres
Time to full height5-10 years
Suggested usesCottage and informal garden
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
CultivationGrows well in moist but well-drained soil in sun or partial shade
PruningPruning group 8
PropagationPropagate by semi-hardwood cuttings
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to a rust and honey fungus (rarely)