About

A compact, semi-evergreen sub-shrub to around 60cm high, with a dense, upright habit and aromatic, linear leaves. Slender spikes of funnel-shaped blue flowers are produced in summer and early autumn.

About the genus

Hyssopus can be herbaceous perennials or evergreen shrubs, with linear, aromatic leaves and whorls of tubular, 2-lipped flowers in spike-like inforescences

Growing conditions

SunlightFull sun, Partial shade
Soil typeChalk, Loam, Sand
Soil pHAlkaline, Neutral
Soil moistureWell-drained
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7

Plant details

Plant typeHerbaceous Perennial
HabitColumnar upright
FoliageSemi evergreen
Height0.5-1 metres
Spread0.5-1 metres
Time to full height5-10 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Gravel garden, Patio and container plants, Rock garden, Wildlife gardens
Native toFrance, Spain, Balkans

Care notes

CultivationGrow in fertile, well-drained, alkaline to neutral soil in full sun
PruningPruning group 10 in mid-spring
PropagationPropagate by seed or by softwood cuttings in summer
Pest resistanceMay be susceptible to sage leafhopper
Disease resistanceGenerally disease-free