String of Pearls Care Guide
Curio rowleyanus
Quick Answer
String of Pearls needs watering every 2–3 weeks in summer and every 3–6 weeks in winter. It thrives in bright indirect to direct and temperatures of 55–80°F. Difficulty: Moderate. ⚠️ Toxic to pets — keep away from cats and dogs.
Difficulty
Moderate
Light
Bright indirect to direct
Watering
Every 2–3 weeks
Humidity
Low (30–40%)
Temperature
55–80°F
Growth Rate
Moderate
Toxicity
Source: ASPCA Animal Poison Control
Watering
Summer
Every 2–3 weeks
Winter
Every 3–6 weeks
Method: Allow to dry completely; drought tolerant
Light Requirements
Bright indirect to direct
Needs bright light — south or west window.
Soil & Potting
Soil: Succulent/cactus mix; very fast draining
Pot: Small pot with drainage; hanging basket
Temperature & Humidity
Temperature: 55–80°F (13–27°C)
Humidity: Low (30–40%)
Fertilizing
Frequency: Once in spring
Type: Diluted succulent fertilizer, half strength
Common Problems
Shriveled pearls → Underwatering. Water deeply.
Mushy pearls → Overwatering or root rot. Let dry out and repot.
Flat/deflated pearls → Needs more water.
Leggy, sparse growth → Insufficient light.
Propagation
Stem cuttings laid on soil or in water
Seasonal Care Calendar
🌸 Spring
Resume more regular watering as daylight increases. Fertilize once.
☀️ Summer
Brightest growth period. Water every 2 weeks. Can set outdoors in bright indirect light.
🍂 Fall
Reduce watering frequency. Protect from cold as temps drop.
❄️ Winter
Water very infrequently (every 4–6 weeks). Keep in brightest window. No fertilizer.