Plants > Annuals & Biennials

Mount Olympus St John's wort

Hypericum olympicum

★ RHS AGM

Genus: Hypericum
Family: Hypericaceae

About this plant

H. olympicum is a dwarf, deciduous sub-shrub to 25cm in height, with erect stems crowded with small ovate, grey-green leaves. Flowers to 5cm in width, bright yellow, in small clusters

Growing Information

Height

0.1-0.5 Metres

Spread

0.1-0.5 Metres

Hardiness

H4

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ClayChalkLoamSandy

pH

Acid

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Alkaline

Neutral

Moisture

Poorly Drained

Aspect

West FacingEast FacingSouth FacingNorth Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grows well in moist but well-drained soil in sun or partial shade

Pruning

Pruning group 8

Propagation

Propagate by seed and semi-hardwood cuttings

Pests

Generally pest free

Diseases

Generally disease free

Garden Uses

Uses

Patio ContainerWall Side BordersGround CoverHedging Screens

Planting Places

Bog GardenConservatory

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

0.1-0.5 Metres

Spread

0.1-0.5 Metres

Habit

Bushy

Time to Full Height

Ten To Twenty Years