About
Sissinghurst' is a spreading semi-evergreen perennial to 20cm in height, with dark green, pinnatifid leaves and flat clusters 4-6cm across of small bright magenta-pink flowers.
About the genus
Glandularia are annuals or herbaceous perennials, native to The Americas and closely-related to Verbena (and included within Verbena until recently). Showy flowers typically have 5 petals and are held in rounded clusters in summer and autumn
Growing conditions
SunlightFull sun
Soil typeClay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectWest-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH3
Plant details
Plant typeBedding, Herbaceous Perennial
HabitBushy
FoliageSemi evergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCity and courtyard gardens, Coastal, Cottage and informal garden, Patio and container plants
Care notes
CultivationGrow in moderately fertile, moist but well-drained soil in full sun
PruningCut back after flowering
PropagationPropagate by division in spring or by softwood cuttings using stem tip in late summer
Pest resistanceDamage by slugs may be a problem
Disease resistanceSusceptible to powdery mildews