Cold-hardy desert plants combine distinctive growth habits with the ability to withstand frost. They bring character to a sunny border, rock garden or patio. Discover which species suit your outdoor space at ExoticsAtHome. Hardiness varies by species, so also consider drainage, shelter and any protection needed against excess winter moisture or severe frost.
The stated frost tolerance is a guide to choosing a suitable species. How well a plant comes through winter also depends on how long freezing conditions last, soil moisture and the condition of the plant. A brief overnight frost places different demands on a plant from several days of continuous freezing temperatures.
Many cold-hardy desert plants grow best in a sunny position with free-draining soil. Assess drainage before planting, especially if your soil stays wet for long periods in winter.
On heavy or wet soil, a raised bed filled with a suitable, free-draining soil mix can help. Make sure excess water can also drain out of the bed.
Roots in pots are generally more exposed to cold than roots in the ground. Bear this in mind when assessing a plant’s hardiness rating. Move pots to a sheltered position when needed and protect the root ball by insulating the pot. Keep drainage holes clear.
For species that are sensitive to winter wet, a rain shelter can be useful. Allow enough air to circulate around the plant. Adapt any additional protection to the species and the weather forecast, and check during winter that the soil does not stay excessively wet for long periods.
Compare the winter hardiness and growing requirements of the different species at ExoticsAtHome. Choose a plant that suits your garden and the care you can provide in winter.
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