Alternatively, wrap bubble polythene around the container, stand it against a sheltered wall, and protect the foliage and stems with fleece.Ĭordylines generally need little if any pruning, but can be quickly tidied up to keep them looking good, or cut back if they grow too large or get damaged by winter frost or gales:Ĭordylines naturally and gradually lose their older leaves, which can be removed to improve the plant’s appearance.You can also give them temporary shelter in a shed or garage during cold snaps. Move them to a frost-free location, such as a greenhouse, porch or conservatory.In cold locations, also wrap the main stem with layers of fleece and place a 15cm (6in) layer of mulch, such as bark, over the root area.Tie the foliage together in a bunch – this will reduce wind damage and prevent water collecting in the growing points and causing rot.To protect cordylines growing in the ground: In colder parts of the UK, give all species winter protection or bring indoors. However, even with this species, young plants and cultivars with coloured foliage are susceptible to winter damage. There are several species of cordyline – most are tender or not fully hardy, so should be kept frost-free or protected over winter.Ĭordyline australis is the hardiest species and should survive outdoors in mild parts of the UK, especially if grown in a sheltered spot. The faded flower spikes can be removed or left to produce small red or purple berry-like fruits. Well-established cordylines may flower in hot summers, producing frothy spikes of tiny white blooms. For more details, read our container planting guide. When planting in a long-term container, choose John Innes No 3 compost, with added grit to improve drainage.When planting in a container, as a houseplant or in summer container displays, use multipurpose or loam-based compost such as John Innes No 2.When planting in borders, follow our step-by step guide to planting shrubs.This gives them time to get established before winter, increasing their chances of survival.Ĭordylines are easy to plant in borders and containers. terminalis), are best grown in containers, so they can easily be moved indoors over winter.Ĭordylines are best planted in spring, after the last frost. Tender species, such as Cordyline marginata, C.
Cordyline spike plant how to#
Read our guide on how to assess your garden conditions.įull sun is ideal for green-leaved cordylines, but light shade is preferable for those with colourful or variegated leaves, as strong sun can fade their rich hues. They like a warm sheltered position, with fertile well-drained soil. Just be sure to water regularly until well established.Ĭordylines can be grown in borders and containers. Go to RHS Find a Plant and search for ‘cordyline’ to browse photos and plant descriptions, and find out where to buy them.Ĭordylines are easy to plant and should settle in quickly. The smaller, tender species may also be sold as houseplants. They come in a range of sizes, from small plants for summer bedding displays to large stand-alone specimens. How and what to buyĬordylines are widely available all year round in garden centres, tropical nurseries and online suppliers, including RHS Plants. It's generally best to bring plants indoors over winter or provide them with winter protection. Most are not fully hardy in the UK, although Cordyline australis may survive the winter outdoors in mild areas. They grow well in containers, so are ideal for small gardens too. They suit many different planting styles, including tropical or Mediterranean borders, seaside and bedding displays, and contemporary urban gardens. As well as green-leaved cultivars, there are some with dark red or purple foliage, or with yellow, pink or white stripes. With their bold, architectural appearance, cordylines make striking focal points. Young plants look like a low fountain of strappy foliage, then as they mature they form a strong stem and can reach 3–10m (10–30ft) tall, resembling an exotic palm. Malvern Autumn Show - 22–24 September 2023Īlso known as cabbage palms, cordylines are evergreen shrubs or palm-like trees from New Zealand.RHS Garden Wisley Flower Show - 5–10 September 2023.RHS Garden Rosemoor Flower Show - 18–20 August 2023.RHS Garden Hyde Hall Flower Show - 2–6 August 2023.RHS Flower Show Tatton Park - 19–23 July 2023.RHS Hampton Court Palace Garden Festival - 4–9 July 2023.
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