Cordyline indivisa in the wild occurs at higher altitudes than C. australis and therefore should be hardier, which is curious as it has much wider leaves that in our windy climate is not generally helpful for hardiness but it will survive to at least –5C. The broad leaves are the reason for growing it and they should have longitudinal red stripes – which ours do. The difficulty that the two species hybridise freely and pure C.indivisa is rare with a complete range of variation in the hybrids. Even micropropagated plants are not always true to name.
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