String of Buttons
Crassula sarmentosa
Sarmentosa
About this plant
Crassula sarmentosa, commonly known as String of Buttons, is a trailing succulent with small, round, button-like leaves that grow along thin stems. It is popular as a hanging plant or in containers, valued for its attractive foliage and easy care. This plant stores water in its leaves, making it drought-tolerant and suitable for beginners.
Taxonomy
- Genus
- Crassula
- Family
- Crassulaceae
- Higher classification
- Order Saxifragales
- Plant type
- Succulent
- Lifespan
- Perennial
Origin & Distribution
- Native region
- South Africa
- Distribution
- Widely cultivated as a houseplant worldwide; native to South Africa.
Care
- Light preference
- Full sun
- Suitable locations
- Indoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing, East-facing
- Watering frequency
- Rare
- Watering interval
- 7–14 days
- Humidity
- Low
- Minimum
- 5 °C
- Maximum
- 30 °C
- Optimal
- 15-25 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5 (slightly acidic to neutral)
- Soil type
- well-draining succulent or cactus mix
Watering. Water sparingly, allowing the soil to dry out completely between waterings. Reduce watering in winter when the plant is dormant.
Fertilizing. Feed lightly during the growing season (spring and summer) with a balanced, diluted succulent fertilizer once a month. Avoid fertilizing in winter when the plant rests.
Crassula sarmentosa is a tough succulent that thrives with minimal care. It prefers bright light and well-draining soil. Overwatering can cause root rot, so let the soil dry out between waterings. It grows steadily and rarely faces serious problems.
Propagation
- Propagation methods
- Cuttings, Division
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- winter
Attractive trailing stems with small, round, green leaves resembling buttons; small star-shaped white flowers in winter.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Not considered a weed
Generally non-toxic but avoid ingestion by pets and children as it may cause mild stomach upset.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Sap or latex, Skin contact
- Pollen level
- None
Crassula sarmentosa is generally safe and unlikely to cause allergies. However, people sensitive to plant sap might experience mild skin irritation if they touch the leaves or stems. To reduce any risk, avoid direct contact with the sap and wash hands after handling the plant.
Common problems
Overwatering can lead to root rot and yellowing leaves. Insufficient light may cause leggy growth. Occasionally, pests like mealybugs can appear.
Uses
Primarily grown as an ornamental houseplant for its attractive trailing foliage and easy care.
Notes
Prune occasionally to maintain shape and encourage bushier growth. Repot every 2-3 years in fresh soil. Sensitive to overwatering and cold drafts.