Cape Sundew
delosperma sutherlandii
Also known as: ["Ice Plant","Trailing Ice Plant"]
Overview
A low-growing succulent with fleshy, green leaves and daisy-like flowers, native to South Africa.
Benefits & Perks
["drought tolerant","deer resistant","wildlife attractant (bees, butterflies, birds)","low maintenance","fragrant flowers"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Caryophyllales |
| Family: | Aizoaceae |
| Genus: | Delosperma |
| Botanical Name: | Delosperma sutherlandii |
Plant Characteristics
Basic Information
- Category: Succulents & Cacti
- Suitable Location: rock gardens, sunny borders, or container plantings in full sun
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"–12–38°C"}
- Hardiness: {"zones":"5–9"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining.
- Soil Type: Sandy, well-draining soil with some organic matter.
Maintenance Level
- Maintenance Level: low
- Toughness Level: high
- Pruning Frequency: As needed, typically every 1–2 months during growing season.
- Pruning Intensity: Light to moderate.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours/day) or bright indirect light. Adjust for intense summer sun to prevent scorching.
Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight. Place in filtered sun during peak summer hours. Indoors, position near a south-facing window with sheer curtains.
Care Requirements
Care Difficulty
easyeasy
Sunlight
full sun
Rotate plant for even light; provide shade during hottest hours; avoid direct midday sun indoors.
Watering
every 2–3 weeks, allowing soil to dry completely between waterings
Water deeply but infrequently; ensure excellent drainage; avoid overhead watering.
Soil
well-draining, sandy or gritty soil mix
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure soil dries quickly; avoid heavy clay mixes; amend with grit if needed.
Temperature
Prefers warm temperatures (65–80°F / 18–27°C). Tolerates mild frosts but thrives in warmth.
Protect from frost; avoid sudden temperature swings; maintain consistent warmth during active growth.
Fertilizing
every 3 months with a balanced, slow-release fertilizer during active growth
Dilute fertilizer to half strength; fertilize only during active growth; flush soil occasionally to prevent buildup.
Propagation
Methods
Stem cuttings or division.
Step-by-Step Propagation Guide
- Take 3–4 inch cuttings.
- Let them callus for a day.
- Plant in medium.
- Keep moist and warm.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm (70–75°F / 21–24°C), high humidity, and bright indirect light.
Medium
Well-draining mix of perlite and potting soil or pure sand.
Hormone
Optional, but can speed up rooting.
Timeline
Roots develop in 2–4 weeks; establish in 2–3 months.
Tools Needed
Sharp scissors, rooting hormone (optional), small pots, well-draining medium.
Quick Tips
Allow cuttings to callus; use warm, humid conditions; avoid overwatering.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips or trim stems just above a leaf node.
Pruning Plan
Light pruning to maintain shape and encourage bushier growth; remove dead or leggy stems.
Tools
Clean, sharp scissors or pruning shears.
Checklist
Use clean tools; prune dead or leggy growth; shape as desired; dispose of clippings.
Repotting Guide
Best Season
Spring, before active growth begins.
Pot Size
One size larger pot (1–2 inches wider in diameter).
Method
Remove plant gently; trim roots if needed; place in new pot with fresh, well-draining soil; water lightly.
Suggestions
Repot every 2–3 years or when roots fill the pot. Encourages fresh soil and prevents overcrowding.
Checklist
Choose appropriate pot; prepare fresh soil; handle roots carefully; water lightly after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; adjust for season.
How to Apply Water Properly
Water directly at the root zone until soil is moist but not waterlogged. Ensure excess water drains away completely. Water in the morning to allow foliage to dry.
Watering Schedule Tips
Water sparingly, allowing soil to dry completely between waterings. Reduce frequency significantly in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand to improve drainage; incorporate compost for fertility.
Temperature Stress Management
Signs of Temperature Issues
Wilting, leaf drop, or blackened stems in cold; stunted growth or pale leaves in excessive heat.
Cold Stress
Low temperatures slow growth and can cause root damage or leaf drop. Prolonged cold may lead to death.
Solution: Move to a warmer location; protect from frost; reduce watering in cool conditions.
Hot Stress
Excessive heat can cause leaf scorch, wilting, or dehydration, especially if combined with poor watering.
Solution: Provide partial shade during peak heat; increase watering cautiously; ensure good air circulation.
Fertilizing Guide
Fertilizing Checklist
Use balanced fertilizer; dilute properly; fertilize in growing season; avoid winter.
Fertilizing Method
Use a balanced, diluted cactus fertilizer monthly during spring and summer. Avoid fertilizing in fall and winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicDelosperma sutherlandii is not known to be toxic to cats. The plant does not produce known toxins that would cause harm to felines upon ingestion or contact.
⚡ Toxic If:
Generally non-toxic to cats
Dogs
Non-toxicDelosperma sutherlandii is not known to be toxic to dogs. There are no documented cases of adverse effects following ingestion or contact with this plant.
⚡ Toxic If:
Generally non-toxic to dogs
Humans
Non-toxicDelosperma sutherlandii is not known to exhibit toxic effects in humans under normal circumstances. The plant is generally considered safe for handling and incidental ingestion.
⚡ Toxic If:
Generally non-toxic to humans
Frequently Asked Questions
Q: How often should I water Delosperma sutherlandii?
A: Water sparingly, allowing the soil to dry out between waterings. Overwatering can lead to root rot.
Q: Does Delosperma sutherlandii attract wildlife?
A: Yes, it attracts bees, butterflies, and birds due to its nectar-rich flowers.
Q: Can Delosperma sutherlandii be grown indoors?
A: While possible, it thrives best in outdoor settings with full sun and well-draining soil.
Quick Reference
| Family: | Aizoaceae |
| Care: | easy |
| Light: | full sun |
| Water: | every 2–3 weeks, allowing so |
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