About
A semi-evergreen, tender perennial usually grown as an annual and forming a low. compact mound of branching stems with small, toothed, oblong leaves covered in summer with rounded clusters of blue, purple or white 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
AspectSouth-facing, West-facing, East-facing
ExposureSheltered
UK hardinessH3
Plant details
Plant typeBedding
HabitBushy, Trailing
FoliageSemi evergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCottage and informal garden, Hanging basket, Patio and container plants
Care notes
CultivationGrow in moderately fertile, moist but well-drained soil in full sun. Suited to annual bedding displays in containers for sunny spots. Feed and water well
PruningDeadhead regularly to promote flowering
PropagationPropagate by seed in early spring or propagate by cuttings
Pest resistanceMay be susceptible to aphids and slugs
Disease resistanceMay be susceptible to powdery mildews