About
This erect marginal aquatic perennial with simple, lance-shaped blue-green leaves and bowl-shaped yellow flowers 6cm across borne on branched stems in early summer.
About the genus
Ranunculus can be annuals, biennials, evergreen or herbaceous perennials, with rhizomes, tubers or spreading by runners. The leaves are variable but often palmately lobed or dissected and the flowers usually bowl-shaped
Growing conditions
SunlightFull sun
Soil typeClay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moisturePoorly-drained
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeAquatic, Bogs, Herbaceous Perennial
HabitClump forming
FoliageDeciduous
Height1-1.5 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesWildlife gardens
ToxicityHarmful if eaten, skin irritant. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten, skin irritant - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Care notes
CultivationGrow in muddy pool margins in water 15-25cm deep, in full sun. Will grow in still or slow moving water. See pond plants and bog gardens for further advice
PruningCut back after flowering
PropagationPropagate by division in spring or autumn
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to powdery mildews, a rust and grey moulds