10 frost-resistant outdoor succulents


Those commonly referred to as succulents are succulents, including cacti. We like their originality and their ease of cultivation. Many of them can be grown in the garden where they add an exotic note, and some are even able to withstand frost provided they are installed. under the sun, sheltered from prevailing winds and in draining soil. It is important not to water them in winter because humidity is their worst enemy and even more when it is cold. Let’s find out 10 succulents to grow outdoors because they can endure some frost that can be biting but always for short periods.

1 – Sempervivum grandiflorum

Houseleeks, from the family of Crassulaceae, are known for their great resistance to drought but also frost. Moreover, temperatures down to -15 ° C in no way frighten the Large-flowered houseleek provided the soil is not wet. We love its evergreen foliage and its yellow flowers in the shape of stars with a pink heart that bloom in summer. This Houseleek is ideal for quickly lining a rockery and dress up an old wall because it grows easily in the smallest gaps.

2 – Agave havardiana

There are several hundred species of agaves. Agave havardiana has broad rosette leaves varying from ash blue to greenish gray depending on the season. This succulent is among the hardiest of its kind with a tolerance level down to -22 ° C but only if it is perfectly dry. Planting in full sun in gravel or on an embankment is recommended.

3 – Dasylirion texanum

It’s about a shrub succulent plant from the family of Agavaceae, whose long, narrow leaves form a ball. This Dasylirion brings a decorative note to the garden whatever the season. When planted in dry soil, it can resist down to -15 ° C.

4 – Delosperma cooperi

This succulent plant from the family of Aizoaceae has evergreen foliage and flowers profusely from June to October. His flowers are purple in color. It is a ground cover plant without history, as resistant to drought as to cold down to -15 ° C. You just need to plant it in full sun in a soil that does not retain moisture.

5 – Graptopelatum

Here is a succulent from the family of Crassulaceae very easy to live and to rapid growth. She owns a foliage whose color varies from pink to blue depending on the culture conditions. At the slightest touch, its leaves detach – hence its nickname Porcelain Succulent Plant – then forms a seedling. In the spring flourish of pretty white flowers with five petals punctuated by red spots. As long as it is well sheltered from the rain, this ornamental succulent with spreading habit can easily withstand up to -10 ° C.

6 – Rebutia huasiensis

This cactus native of Bolivia is a small wonder of the family of Cactaceae, perfect to magnify a rockery. It is planted in full sun, in stony soil. If it is not watered at all during the winter, it can withstand frost and temperatures in the order of -3 to -4 ° C. Drained soil is essential. Under these conditions, it blooms profusely in spring. Its stunning flowers of amazing size can be hot pink or pale pink, white, red, yellow or orange.

7 – Opuntia ficus-indica

Nicknamed Prickly pear, this plant of the family of Cactaceae produces edible fruits. Its young cladodes (shaped like snowshoes) are also eaten as well as its fruits, prickly pears. It is a kind of tree plant particularly intrusive which can reach 5 m in height. The prickly pear is able to withstand -5 ° C when still young and down to -10 ° C as an adult for short periods but this hardiness is only possible if it is planted in a draining soil and full sun.

8 – Sedum

There are more than 400 species of sedums that are also called orpins. Those are shrub succulents for older children and rockeries for the lowest. Orpins produce star flowers available in many colors (white, pink, yellow, red…). They appreciate full sun and well-drained soils. Rock sedums can, in good growing conditions, withstand between – 15 and -20 ° C.

9 – Echinocactus grusonii

Six species make up the Echinocactus group. We nickname theE. grusonii Mother in law cushion or Golden barrel cactus. This spherical cactus, whose diameter can reach 80 cm, is, depending on the variety, provided or not with long prickles. It’s a ornamental plant, with almost perfect symmetry, which is adorned with yellow flowers from June to September, but you have to be patient to admire them, because the Echinocactus does not usually flower until it is 18 or 20 years old. It is placed in a warm place, in a very sunny area of ​​the garden, and in well-drained soil because the humidity is not suitable for it. This large cactus can tolerate a few short freezing episodes, but it is better if it does not happen frequently.

10 – Echinopsis

This genus has 180 species. Some of these cacti have funny nicknames (Sea urchin cactus, Moses Ball, Pickle Cactus …). Echinopsis should be planted in well-draining soil, stony or sandy, and of course it is offered a sunny exposure sheltered from the freezing winds. Under these conditions, this succulent can moderately withstand the cold down to -2 ° C and provided that there is no humidity because it has difficulty in braving the frost on a daily basis. It must therefore be exceptional. It is a species that can of course be left outside, but preferably in regions with mild, non-humid winters.