Cape blue waterlily

Also known as: shield-leaved water lily

A tropical, deciduous aquatic perennial with oval-shaped, glossy green leaves. Star-shaped lavender blue or purple flowers with yellow centres appear on tall, strong stems 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

Cape blue waterlily

Scientific classification

Species
Cape blue waterlily (Nymphaea capensis)
Genus
Nymphaea
Family
Nymphaeaceae
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Toxicity
Aquatic
Plant type
0.1-0.5 metres
Height
0.1-0.5 metres
Spread
Deciduous
Foliage
Submerged
Habit
Spring · Summer · Autumn
Season of interest
Full sun
Sunlight
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Ideal temperature

Cape blue waterlily pictures

Cape blue waterlily

Distribution of Cape blue waterlily

Distribution map

Tanzania

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Culture

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Toxicity

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Quick identification of Cape blue waterlily

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Cape blue waterlily care guide

Keep roots in shallow water or permanently saturated aquatic soil
Watering
Full sun
Sunlight
Information to be completed
Ideal temperature

Watering

Keep roots in shallow water or permanently saturated aquatic soil

Fertilizing

Use aquatic fertilizer lightly during warm active growth season

Pruning

Deadhead and remove yellow leaves regularly

Propagation

Propagate by division of rhizomes or offsets in summer, place pots in shallow water until established

Growing

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

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Common pests and diseases

Diseases

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

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

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