About

Regatta Sky Blue' is a trailing perennial to 15cm, with neat foliage and white-eyed, pale blue flowers 2cm across 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
AspectNorth-facing, South-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH2

Plant details

Plant typeAnnual Biennial, Bedding
HabitTrailing
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCoastal, Cottage and informal garden, City and courtyard gardens, Patio and container plants

Care notes

CultivationGrow in deep, fertile, reliably moist soil in full sun or partial shade. Apply a balanced fertilizer every two weeks during spring and early summer and a nitrogen free fertilizer every two weeks from mid-summer onwards
PruningCut back after flowering
PropagationPropagate by seed sown at 13-18°C in late winter
Pest resistanceMay be susceptible to slugs
Disease resistanceGenerally disease-free