About

A branching, bushy annual to around 20cm tall with oval, serrated, rich green leaves and loose clusters of intense blue, bell-shaped, upward-facing flowers up to 2.5cm wide held on red stems from spring into early summer.

About the genus

Phacelia can be annuals, biennials or perennials with pinnately divided leaves and racemes or panicles of tubular or bell-shaped blue, white or yellow flowers, attractive to insects

Growing conditions

SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH4

Plant details

Plant typeAnnual Biennial
HabitBushy
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCottage and informal garden, Gravel garden, Patio and container plants, Rock garden, Wildlife gardens
ToxicitySkin allergen. Wear gloves and other protective equipment when handling

Care notes

CultivationGrow in any fertile, well-drained soil in full sun
PruningNo pruning required
PropagationPropagate by seed in spring
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free