Oenanthe javanica 'Flamingo' (v)

RHS Plant Profile

water dropwort 'Flamingo'

Synonyms

Oenanthe 'Flamingo', Oenanthe 'Pink Flamingo', Oenanthe japonica 'Flamingo'

Herbaceous Perennial Bogs Aquatic

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A deciduous, moisture-loving, spreading perennial with divided, toothed grey-green leaves with cream margins flushed with pink. Clusters of small, star-shaped white flowers are produced in late summer

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Clay Loam

Moisture: Moist but well–drained or Poorly–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or South–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Apiaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Spreading branched
Genus: Oenanthe are perennials with a preference for damp ground, marshes or water. Hollow stems are shiny and can grow up to 2m tall. Leaves are triangular, shiny and bright green and flowers are arranged in small white clusters. Brown, rugby-shaped seeds follow the flowers.
Name Status: Accepted

How to Grow

Cultivation

Grow in moist soil in sun or part shade. Ideal for bog gardens, by the side of a stream or as marginal pond plants in up to 10cm of water. Will tolerate drier soil in part shade, but leaf colour is best in full sun. Shelter from cold, drying winds

Propagation

Propagate by division, in late spring as growth begins, or by softwood cuttings in spring

Pruning

No pruning required, excess growth may be cut back as necessary

Pests

May be susceptible to aphids, slugs and snails

Diseases

Generally disease-free