About
Has deep velvety red flowers set against dark green foliage through summer and into autumn.
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, South-facing
ExposureSheltered
UK hardinessH3
Plant details
Plant typeAnnual Biennial, Bedding
HabitBushy
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Patio and container plants, Coastal
Care notes
CultivationGrow in moderately fertile, moist but well-drained soil in full sun
PruningCut back after flowering
PropagationPropagate by seed sown in early spring at 18-21°C; cultivars may not come true from self-collected seed
Pest resistanceDamage by slugs may be a problem
Disease resistanceMay be susceptible to powdery mildews