Not the plant you're looking for? Search over 300,000 plants

Aquatic

Nymphaea 'Star of Zanzibar' (T/D)

A tropical, compact, free-flowering, deciduous, aquatic perennial which has dense, medium, rounded green leaves with dark maroon-red mottling. Eye-catching star-shaped, fragrant, bright blue-purple flowers with golden yellow centers appear from summer through until the autumn. Tropical waterlillies can be grown in milder areas within the UK but should be lifted and stored over winter in a warm greenhouse

Save to My plants

Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

1.5–2.5 metres

Clay

Loam

Moisture

Poorly–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

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)

Botanical details

Family: Nymphaeaceae
Native to the UK: No
Foliage: Deciduous
Habit: Submerged, Floating
Genus: Nymphaea are rhizomatous, submerged aquatic perennials with floating, rounded leaves and showy, sometimes fragrant, cup- or bowl-shaped flowers in a wide range of colours, held on or above the water and followed by submerged, berry-like fruits
Name status: Accepted

How to grow

Cultivation

Grow in undisturbed water in full sun. Plant in baskets in loamy soil with crowns just below soil surface and covered with pea shingle. Position basket so that it is covered by 15-25cm of water; as the plants establish gradually lower the plants to a depth of 50-70cm. Feed during the growing season with aquatic fertiliser at the manufacturer's recommended rate. Lift and store in a warm greenhouse over winter. See waterlily cultivation for more advice

Propagation

Propagate by division of rhizomes or offsets in summer, place pots in shallow water until established. May need to lift and store

Suggested planting locations and garden types

Wildlife gardens
Low Maintenance

Pruning

Deadhead and remove yellow leaves regularly

Pests

May be susceptible to brown china-mark moth, false leaf-mining midge, water lily beetle and water lily aphid. See waterlily pests for more details

Diseases

May be susceptible to brown spot, crown rot and water lily leaf spot

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.