Are Cordylines winter hardy
Andrew Campbell
Updated on April 02, 2026
Cordyline grows in U.S. Department of Agriculture plant hardiness zones 8 through 12, but some species are only cold hardy to zones 9 or 10 and plants in zone 8 may die back over the winter.
How cold can Cordylines tolerate?
Plants will continue to grow at lower temperatures of 50°F nights and 70°F days. Plants in production can tolerate occasional nights as low as 35°F. Plants should be grown in high light (3,000 footcandles).
Can Cordyline stay outside in winter?
They grow well in containers, so are ideal for small gardens too. Most are not fully hardy in the UK, although Cordyline australis may survive the winter outdoors in mild areas. It’s generally best to bring plants indoors over winter or provide them with winter protection.
Which Cordylines are frost hardy?
Cordyline australis (pictured), known as the cabbage tree, is native to New Zealand but is grown in gardens around the world, as it is both heat and frost tolerant.Is Cordyline a perennial?
Cordyline is a genus of plants native to Pacific islands and parts of Southeast Asia. There are around 15 species of this evergreen and woody perennial. While in the U.S. it will only be hardy through zone 9 outdoors, cordyline plant varieties are easy to grow as houseplants.
Are Cordylines frost resistant?
The Cordyline tree can take temperatures down to -9°c so it does stay evergreen all year round and are frost hardy.
How do you overwinter a cordyline?
Set the cordyline in a spot with part shade and leave it out for about 3 hours the first day, gradually increasing sun exposure and time outside over a week to re-acclimate the plant to the outdoors before putting it in its permanent summer home.
Should you cover Cordylines in winter?
Palms and cordylines will tolerate cold temperatures, but their crowns and trunk are particularly susceptible to frost damage due to their high water content. … If they are too large to move the crown, they will need to be covered with agricultural fleece.Are Cordylines evergreen?
Cordylines are tufted evergreen shrubs that originate from Southeast Asia and the Pacific rim, where they mature to form awkwardly shaped stubby trees with tufts of spiky leaves that resemble huge pineapple tops at the end of each branch. … Although grown for their foliage, Cordylines do flower.
Is Cordyline an outdoor plant?Cordyline (Cordyline fruticosa), also known as the Ti plant, grows leathery, spear-shaped leaves in a variety of colors. … Cordyline varieties can thrive as outdoor plants or houseplants. Flowering is more likely in outdoor varieties, but the houseplant cordyline can occasionally bloom flowers, too.
Article first time published onWhat plants should be covered in winter?
- Tender bulb flowers. Many bulb flowers, such as daffodils and tulips, are able to stay underground during a hard winter and easily return during warmer weather. …
- Delicate trees. Newly planted trees are really vulnerable during freezing nights. …
- Tropical plants. …
- Annual plants.
Do Red Star Cordyline come back every year?
Red star spike (Cordyline baurei) is a perennial but it is only rated as cold-hardy in USDA zones 9-11. According to your zip code you are in USDA zone 7, so move it indoors before the threat of frost. If left outdoors, it would die, making it an annual, so that may be where the confusion is from.
Are Dracaena and Cordyline the same?
No Cordylines are not the same as Dracaenas. The foliage of species Cordyline australis and it’s cultivars can to the untrained eye look like the foliage of some Dracaena species, hence the confusion. One quick way to tell if you have a Cordyline or a Dracaena is to look at the roots….
Do you cut back Cordyline?
Cordylines are unlike conventional shrubs or palms so it can be confusing to know how to prune them, if at all. Pruning generally should be limited to removing dead leaves and spent flowers. Where plants have been hit by hard frost they should be cut back hard, as you have done, in spring.
How do you bring a Cordyline back to life?
When all the leaves are cleared the best thing to do is grab the trunk and feel your way down the trunk until it feels very hard and woody – then cut the top of the Cordyline off. Over the summer it will reshoot along the stem and from the base again. These shoots will develop into full woody stems again.
How do I keep my Cordyline small?
To keep your cordyline healthy, remove lower foliage as it starts to look tired. Start from the lowest leaves and work up, and they should pull off easily. Some varieties can become very leggy (all trunk with only a little foliage up top). These can be cut back severely.
What plants are tender to frost?
- Tender plants such as avocados, fuchsia, bougainvillea, begonias, impatiens, geraniums and succulents.
- Edibles such as citrus trees, tropical plants, tomatoes, pumpkins, sweet potatoes, cucumber, okra, eggplant, corn, and peppers.
Should you let a Cordyline flower?
Should I cut off the flower head to keep the colour in the leaves? A. Flowering and fruiting is part of the natural growth cycle of cordylines, a lot of the plants nutrition is used in the flowering phase. If the flower head is removed early it will short-circuit the growth cycle and stimulate new stem and leaf growth.
Where is the best place to plant Cordyline?
Where to grow cordyline. Grow cordyline as a specimen plant in a lawn or border where its strong vertical shape makes a handsome contrast to other plants. Cordylines with green leaves do best in full sun while those with coloured leaves do best in light shade.
Are Cordylines easy to care for?
All in all, cordyline plants are relatively easy to maintain as houseplants as long as you provide the proper care for them to thrive.
How do you take care of a cordyline plant outside?
- Make sure the plant has evenly moist soil and partial shade to full sun. …
- Provide ti with approximately 1 inch of water every week that it doesn’t rain, as the plant grows naturally in areas with high rainfall. …
- Water the plant with a hose or soaker to keep the foliage dry.
Why are my outdoor cordyline leaves going brown?
Browning leaves can occur from underwatering, overwatering, tap water, or low humidity. If the leaves on your cordyline are turning a crispy brown then underwatering might be the culprit, but if they’re turning dark brown and mushy then it might be overwatering. Water when the top 25-50% of soil is dry.
How do I protect my potted plants in winter UK?
- Move them. Move plants in pots to a warmer or more sheltered part of the garden or into a cold greenhouse or cold frame. …
- Add mulch. Many tender plants will benefit from mulch over their roots for added protection in winter. …
- Cover them up.
How do you keep outdoor plants alive in the winter?
- Keep your plants warm – but not too warm. Many plants are extremely sensitive to cold air. …
- Reduce your watering and use warm water for plants in winter. …
- Increase your home’s humidity. …
- Clean your plants. …
- Give them plenty of light.
How do you protect tender shrubs in the winter?
Wrap tender tree trunks with burlap or white wash them to prevent winter sunscald. Rake a mound of soil around the base of roses to a depth of 12 to 18 inches (31-46 cm.) to protect the crown. Apply an anti-desiccant to new foliage on bushes and shrubs that will shield the foliage from wind and winter sun.
Why is my Cordyline dying?
Leaf, shoot and twig blights are caused by several kinds of anthracnose fungi. … Heavily infected leaves die and drop off the plant. Anthracnose also causes cankers – sunken areas of diseased plant tissue – on the trunk. If several cankers merge, they can girdle the trunk and kill the plant.
How do you take care of a red Cordyline?
Plant in average, well-drained soil in sun or partial shade. Fertilize monthly with a balanced fertilizer (10-10-10). Cordylines are hardy to Zone 8 (10°F). In colder climates, they can be overwintered indoors.
How tall does a red Cordyline grow?
Cordyline australis ‘Red Star’ (Cabbage palm ‘Red Star’) will reach a height of 1.5m and a spread of 1.5m after 10-20 years.
Is Cordyline toxic to dogs?
The leaves are red or purple, which is what makes this such an attractive houseplant. In fact, these leaves are used in making hula skirts and other Hawaiian fashions. However, the saponin compound in the Hawaiian ti plant is dangerous to your pets and even to small children if they eat it.
Is Cordyline toxic to cats?
Hawaiian ti poisoning in cats is caused by the ingestion of any portion of the Hawaiian ti plant. The Hawaiian ti produces naturally occurring toxins, known as saponins, which cause the feline to develop gastrointestinal upset.
Should I cut the brown leaves off my Cordyline?
You can cut off the brown tips, they tend to die back a bit at the end of summer and remove lower leaves if required. However as Winter is approaching it would be wise to protect the whole plant with horticultural fleece if it cannot be moved in to a greenhouse. Cordylines are susceptible to damage in low temperatures.