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 Delosperma nubigenum

Trailing ice plant 

 Scientific name: Delosperma nubigenum

Common name: Trailing ice plant, Hardy ice

Region of origin: South Africa


Photo courtesy Cold Hardy Plants

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Highlights:

Weed Suppressive Rating: Good - Excellent

Hardiness: Zones 4-10

Height x Spread: 1 to 2 in. x about 36 in.

Season of bloom: Summer

Flower color: Yellow

Exposure: Full sun

Soil requirements: Well-drained soil

Moisture requirements: Drought tolerant

Physical description: This mat-forming, creeping perennial plant may reach 2 in. tall and spreads indefinitely, creating a very attractive mossy, highly colored visual effect. The evergreen leaves are thick, oblong or linear, and fleshy. They are colored shiny green that turns reddish hues during autumn. They reach 1 ¼ long, and ¼ in. wide. Flowering occurs during summer, and flowers are bright yellow, solitary, and reach ¾ in. wide. The fruit is non-ornamental.

Optimal growing conditions: This plant is quite accommodating to a wide range of well-drained soils. It is also very drought tolerant, although vigor may be better during hot, dry summers with occasional watering. As with other species of its family, it prefers full sun, and growth is fast under good conditions. Its main weakness is a lack of resistance to cold winters. Winter hardiness: Zones 4-10.

Susceptibility to pests and diseases: In poorly drained soils, crown rot is the main disease. Concerning pests, this plant has no serious problems, but mealybugs are sometimes seen.

Use: Trailing ice plant is a good and attractive ground cover species. It can also be used in front borders or in rock gardens.

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