About
A marginal aquatic perennial with semi-erect, red-tinged green, spear-shaped leaves 1-2.5 cm long and bearing bright yellow, cup-shaped flowers, 2cm across 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, Sand
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
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height1 year
Suggested usesWildlife gardens
Native toNorthern Hemisphere
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 still or slow moving water 15-22cm deep
PruningCut back after flowering
PropagationPropagate by seed sown as soon as ripe, or by division inspring or late summer
Pest resistanceMay be susceptible to aphids, slug and snail damage
Disease resistanceMay be susceptible to powdery mildews, a rust and grey moulds