Zantedeschia aethiopica / Arum Lily / Seeds

(Code: KB_039)
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Zantedeschia aethiopica / Arum Lily / Seeds

A striking plant with glossy dark green wavy edged leaves, producing wonderful large white flowers in May and June.  The Arum Lily comes from South Africa and has been grown in the UK since the 17th century.  Beautiful in the garden and also a long lasting, lightly scented cut flower.

Arum Lilies grow well in damp moist conditions (such as pond side) to a height of 60 -100 cm.  They tolerate drained conditions, but keep in partial shade if there is no permanent water. Can be left outside in winter in warmer gardens, but you need to mulch well to protect against hard frosts.  Some gardeners prefer to lift the rhizomes in winter and replant in spring.

Pack of 10 seeds.  Sow in spring to autumn.  Sowing instructions and a colour photo are printed on the packet.

See how your seeds are packed.

Hardiness Hardy to half-hardy perennial (forms rhizomes) (RHS Hardiness H4)
Flowers May and June
Height 60 - 100cm
Spread 60 - 100cm
Conditions  Full sun to part shade and moist conditions

Sow in spring to autumn.  Pre-soak the seeds in warm previously-boiled water for 24 hours, then sow in compost, cover lightly and keep lightly moist at 15-20C.  Germination takes 1 to 3 months.  Prick out into pots when big enough to handle and plant out after the last frost.  Mulch and protect against hard frost. Flowering starts in the second or third season. 


Rhizomes can be lifted and stored in winter for replanting in spring.  They can be left in the ground in warmer gardens.  Plants enjoy pondside and garden sites with plenty of water.  Plants are evergreen or deciduous depending on conditions.  They are mostly deciduous in the UK, which means they die down in winter or after a dry spell, and start re-growing again sometime over winter. Rhizomes can be divided in spring (cut into sections with at least one bud each) or large clumps can be divided with a spade.