About

This vigorous, branching annual up to 15cm x 30cm with semi-trailing stems and tiny, dark green leaves. Mid-blue flowers with a large, white eye are carried freely in summer and autumn.

About the genus

Lobelia can be annuals, perennials or shrubs, with simple leaves and showy 2-lipped flowers that may be solitary or in racemes or panicles

Growing conditions

SunlightFull sun, Partial shade
Soil typeLoam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, South-facing, West-facing
ExposureSheltered
UK hardinessH2

Plant details

Plant typeAnnual Biennial, Bedding
HabitTrailing
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1 year
Suggested usesCity and courtyard gardens, Cottage and informal garden, Hanging basket, Patio and container plants

Care notes

CultivationGrow in deep, fertile, reliably moist soil in full sun or partial shade
PruningNo pruning required
PropagationPropagate by cuttings - does not set seed
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceGenerally disease-free