How to Grow Red Ice Plant
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Red Ice Plant
Delosperma nubicum
succulentRed Ice Plant is a low-growing succulent groundcover native to South Africa, featuring vibrant red-pink daisy-like flowers and fleshy green foliage that often takes on reddish tones in cool weather. It spreads rapidly to form dense mats and is highly drought-tolerant once established. This hardy perennial is ideal for rock gardens, containers, and xeriscaping projects.
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Example Red Ice Plant timeline · Pittsburgh, PA (Zone 6b)
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Plant Red Ice Plant
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Red Ice Plant
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 5-10; hardier than many Delosperma species, tolerating winter temperatures to -10°F (-23°C)
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Get my Red Ice Plant timeline →Growth Stages
Establishment
4-6 weeksYoung plants develop compact rosettes of fleshy leaves; growth is slow initially as root system establishes
Water lightly but regularly during first 4-6 weeks until roots are established. Provide bright light. Ensure excellent drainage to prevent damping-off.
Vegetative Growth
6-8 weeksPlant develops multiple shoots and begins spreading horizontally; foliage deepens in color, especially in cool weather
Reduce watering frequency as plant matures. Provide full sun. No fertilizer needed; excess nutrients promote weak growth. Pinch back growth tips to encourage branching.
Flowering
8-12 weeks (spring-summer, may repeat in fall)Dense clusters of bright red-pink daisy-like flowers (0.5-0.75 inch diameter) cover the plant; blooms appear along spreading stems
Flowering occurs in late spring through summer and often again in fall. Deadhead spent flowers to encourage continuous blooming. Maintain dry conditions to prevent fungal issues on flowers.
Dormancy
3-4 months (winter)Growth slows significantly in winter; foliage may turn deep red or burgundy in cold temperatures; plant remains evergreen
Stop watering almost entirely during winter months. No fertilizing needed. Provide excellent drainage to prevent root rot. Hardy plants tolerate freezing temperatures.
Spring Renewal
4-6 weeksPlant resumes active growth as temperatures warm; new shoots emerge and flowering begins again
Begin watering lightly when growth resumes. Do not fertilize. Prune back any frost-damaged or leggy growth. Divide overcrowded plants if desired.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with insecticidal soap or neem oil; remove affected stems; improve air circulation; avoid overwatering
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Ensure excellent drainage; reduce watering in humid conditions; improve soil aeration with perlite; remove and discard affected plants
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Spray with horticultural oil; prune heavily infested stems; monitor closely and repeat treatments every 10-14 days
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Increase humidity slightly if indoors; spray with water or insecticidal soap; avoid excessive nitrogen fertilizer
Uses
Edible Succulent (Regional)
CulinaryIn South Africa and some Mediterranean regions, the fleshy leaves of ice plants can be used sparingly in salads or as garnish, offering a crisp, mildly salty texture. However, it is primarily ornamental and not a common culinary plant. [source]
Xeriscaping & Water Conservation
HouseholdRed Ice Plant is an excellent choice for drought-tolerant landscapes and xeriscaping projects, reducing the need for supplemental irrigation once established. It thrives in low-water gardens and arid climates, helping conserve water resources. [source]
Pollinator Support
WildlifeThe bright red-pink flowers attract bees and other pollinators throughout the growing season, providing essential nectar and pollen sources. It is a valuable addition to pollinator gardens and supports local bee populations. [source]
Ground Cover & Rock Gardens
CraftRed Ice Plant forms dense, colorful mats ideal for rock gardens, alpine troughs, containers, and landscape borders. Its spreading habit and vibrant flowers create striking visual effects in garden design. [source]
Traditional South African Uses
MedicinalIn traditional South African herbalism, ice plants have been used for minor skin irritations and wound healing, though modern scientific evidence is limited. The succulent's properties are primarily studied for ornamental and horticultural value. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
This plant is grown for ornamental flowers and foliage rather than harvest. Deadhead spent flowers throughout the growing season to encourage continuous blooming. Cut back excessively sprawling growth in early spring to maintain shape. Collect seeds from dried flower heads in fall for propagation.
Fun Facts
- 🌱 Red Ice Plant gets its common name 'Ice Plant' from the glistening, ice-like crystal structures (water-filled bladder cells) that cover the leaves and stems, which glisten in sunlight.
- 🌱 Delosperma nubicum is one of the hardiest ice plant species, surviving winters in zone 5 where many related succulents cannot, making it unusually cold-tolerant for a South African succulent.
- 🌱 The foliage undergoes a dramatic color shift in response to cold temperatures and stress, turning deep red or burgundy—a natural antifreeze mechanism that protects the plant from winter damage.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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