Cordyline indivisa

A very beautiful and highly temperamental plant. In its native New Zealand, it grows high in the mountains on deep organic soil in forest clearings. It needs very well drained soil, but, with a constant source of water and plenty of light - yet protected from strong winds that can easily tear the leaves. They won't succeed in the shade. They seem to dislike growing in a pot and so need to be planted out when young. They are unlikely to survive being moved, once established in the ground. Despite their temperamentalness, they are able to withstand lower temperatures than the closely related and much easier Cordyline australis - although they cannot be considered reliably hardy in rural areas of southeast England without some protection in very hard winters. They will re-shoot from the base if clobbered by severe cold.

Their dislike of hot weather is demonstrated by the fact that they'll often grow more vigorously between October and March than between March and October. Feed with a top dressing of your favourite fertiliser once a year. We use 'Blood, Fish and Bone'. It should be noted that Cordyline indivisa can be variable, particularly in the width and the colour of its leaves. The best examples of this plant in the British Isles are at Castlewellan and Mount Stewart gardens, both on the east coast of Northern Ireland.There used to be a fantastic clump of them at Wakehurst Place in West Sussex but I notice they're there no more. Whether it was too hot for them or too cold (yes, it could be either), I don't know. They've survived in Ventnor Botanic Garden (Isle of Wight) and Tresco Abbey Garden (Isles of Scilly) for many years.

For information and ideas on winter protection go to 64. Wrapping for Winter in the Glossary of Terms

Sorry to sound so gloomy but it's important to be honest about plants' prospects. In the case of this plant (probably the most temperamental plant I've ever encountered) how could we not grow it? Get it right and, by any standards, it's outrageously exotic.

Features Hardiness rating
IF IT HAS AN AMBER TRAFFIC LIGHT

Hardy in the Home Counties if sensibly sited (avoiding severe frost pockets, for example). Many Amber Labelled Plants are from cuttings from well-established plants that have survived many harsh winters in the South-East.

This is only meant as a guide. Please remember we're always on hand to give advice about plants and their frost hardiness.

Please remember that these coloured labels are only a rough guide.

General Point about Plant Hardiness: The commonly held belief that it's better to 'plant small' is perfectly true with herbaceous plants, but not necessarily true with woody plants. They need some 'wood' on them to survive severe cold - so plants of marginal hardiness in very cold areas should really be planted LARGER, rather than smaller, wherever possible.

Coastal, Exotics, Palms, Soil - Clay, Soil - Dry/Well drained, Space & Light Amber

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