About
A reliable shrub, reaching 120-250cm, with a rounded, well-branched form. It bears attractive blooms. 'Sonia' is valued in garden settings.
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
Plant details
Suggested usesBorders, mixed plantings
Care notes
CultivationFertile, well-drained soil in sun or light shade
PruningPrune after flowering to maintain shape
PropagationSemi-ripe cuttings in summer
Pest resistanceGenerally trouble-free
Disease resistancePowdery mildew in dry conditions