Zantedeschia aethiopica

Arum lily

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Key information

Plant type

Tender perennial

Flower colour





Half hardy

Skill level


photo by S & O, copyright GAP Photos (41496)

Plant details

This is a wonderful architectural plant for pond margins in areas that do not suffer from very hard frosts. The leaves alone are an attraction. They are large, 40cm (16in) long, and arrow-shaped, and a bright, glossy green with distinct veins. However, arum lilies are mainly popular for their serene, white flowers. These are in fact spathes, wrapped round a thin, creamy yellow column, or spadice. They make superb, classy cut flowers. Grow the arum lily as a water plant, planting it into a special aquatic basket, in water up to 30cm (12in) deep. Or you can plant it into moist soil around the pond, protecting it with a deep mulch over winter. The Royal Horticultural Society have given it their prestigious Award of Garden Merit.

Family: Araceae

Genus: Zantedeschia

Species: aethiopica

Plant type: Tender perennial

Flower colour: White

Foliage colour: Mid-green

Feature: Flowers

Sun exposure: Full sun

Soil: Moist, Boggy

Hardiness: Half hardy

Skill level: Experienced

Height: 90cm

Spread: 60cm

Time to divide plants: March to May

Flowering period: May to June

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