Position – Full sun or part shade
Soil – Well-drained
Flowering Period – Summer and autumn
Hardiness – Half hardy
Rehmannia are perennials with large, glossy and lance-shaped leaves majestically framing impressive trumpet-shaped blooms that flourish throughout the summer and early autumn. They are best suited to flower beds and borders within courtyard, cottage and informal garden settings. You should expect to see Rehmannia grow to an approximate height of 1.5m (5’) and a spread of 50cm (20”).
Rehmannia are best planted in well-drained soil of sand, chalk and loam within an acidic, alkaline or neutral PH balance. Poorly draining soil will cause problems during the cold, winter months. They are best positioned in part shade but will also tolerate full sun if there is a sufficient water supply. Dig a hole that is twice the width as the root ball, and a depth that is level with the native soil. Back fill and water thoroughly.
Rehmannia are low maintenance plants and are easy to care for once established. You should deadhead plants to encourage a further set of blooms. Apply a generous layer of mulch to the base of your plant to retain moisture levels whilst suppressing pesky weeds.
It is possible to propagate Rehmannia by seed during late winter, softwood cuttings throughout spring or alternatively by root cuttings during autumn.
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