String of Pearls Curio rowleyanus
At a glance
- Light
- Bright indirect
- 10000–25000 lux
- Water
- Every 14–21 days
- Soil completely dry, then water deeply
- Humidity
- 30–50%
- Tolerates dry air
- Temperature
- 10–24°C
- Ideal 21–24°C
- Soil pH
- 6–7.5
- fast-draining
- Mature size
- 5 cm tall
- 90 cm wide
- Native to
- South Africa
- Growth
- Moderate
- Trailing
Watering calculator
Estimate how often to water your String of Pearls based on pot size, light, and season.
Always check the top 2 cm of soil before watering. Calculator output is an estimate, not a schedule.
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Compare with similar plants
| Trait | String of Pearls Curio rowleyanus | Jade Plant Crassula ovata | Tradescantia Zebrina Tradescantia zebrina |
|---|---|---|---|
| Light | Bright indirect | Direct sun | Bright indirect |
| Water | 14–21 days | 14–30 days | 5–9 days |
| Pet safe | Toxic to cats and dogs | Toxic to cats and dogs | Toxic to cats and dogs |
| Difficulty | Moderate | Very Easy | Very Easy |
| Mature size | 5 cm | 90 cm | 25 cm |
Light requirements in detail
String of Pearls prefers bright indirect (10000–25000 lux) . Tolerates direct morning sun; afternoon sun through unfiltered glass scorches the pearls
A spot 1–2 meters from a bright east or south-facing window usually fits this range. Direct afternoon sun through unfiltered glass can scorch leaves; sheer curtains help diffuse it.
Watering in detail
Water String of Pearls every 14– 21 days during the growing season, allowing Soil completely dry, then water deeply to dry between waterings. Reduce frequency in winter when growth slows.
This plant tolerates the occasional missed watering — err on the dry side rather than overwater.
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Frequently asked questions about String of Pearls
How often should I water String of Pearls?
Water String of Pearls every 14–21 days during the growing season, allowing Soil completely dry, then water deeply to dry between waterings. Reduce frequency by 30–50% in winter.
What kind of light does String of Pearls need?
String of Pearls prefers bright indirect (10000–25000 lux). Tolerates direct morning sun; afternoon sun through unfiltered glass scorches the pearls
Is String of Pearls toxic to cats?
String of Pearls is toxic to cats (moderate severity). Toxic compounds: unidentified compound (Senecio-related). Common symptoms: vomiting, drooling, lethargy, diarrhea, skin irritation from sap contact.
Is String of Pearls toxic to dogs?
String of Pearls is toxic to dogs (moderate severity). Toxic compounds: unidentified compound (Senecio-related). Common symptoms: vomiting, drooling, lethargy, diarrhea, skin irritation from sap contact.
How big does String of Pearls grow?
String of Pearls reaches about 5 cm tall and 90 cm wide at maturity. Growth rate is moderate.