Decary's Euphorbia
Euphorbia decaryi
Decaryi
About this plant
Euphorbia decaryi is a small, slow-growing succulent native to Madagascar. It has thick, fleshy stems and small leaves, often with a unique, sculptural appearance. This plant produces small, inconspicuous flowers and is valued for its drought tolerance and interesting form. It is often grown as a houseplant or in rock gardens.
Taxonomy
- Genus
- Euphorbia
- Family
- Euphorbiaceae
- Higher classification
- Order Malpighiales
- Plant type
- Succulent
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Madagascar
- Distribution
- Native to Madagascar; cultivated worldwide as a houseplant and in succulent collections.
Care
- Light preference
- Full sun
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, East-facing, West-facing
- Watering frequency
- Moderate
- Watering interval
- 7–14 days
- Humidity
- Low
- Minimum
- 10 °C
- Maximum
- 30 °C
- Optimal
- 18-26 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5 (slightly acidic to neutral)
- Soil type
- well-draining cactus or succulent mix
Watering. Water moderately during the growing season, allowing the soil to dry out completely between waterings. Reduce watering in winter to prevent root rot.
Fertilizing. Feed sparingly during the growing season (spring and summer) with a balanced, diluted fertilizer every 4-6 weeks. Avoid fertilizing in winter when the plant is dormant.
Euphorbia decaryi is a slow-growing succulent that prefers bright light and well-draining soil. It is drought-tolerant but should be watered moderately, allowing the soil to dry out between waterings. It is generally easy to care for but sensitive to overwatering, which can cause root rot.
Propagation
- Propagation methods
- Cuttings, Seeds
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
Thick, fleshy stems with small leaves and a sculptural form; small, yellowish-green flowers.
Toxicity & Safety
- Toxic to humans
- Mildly toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Not considered a weed
The milky sap is toxic and can cause skin irritation or eye damage. Keep away from children and pets. Avoid ingestion.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Sap or latex, Skin contact
- Pollen level
- Low
Euphorbia decaryi can cause skin irritation or allergic reactions in some people due to its milky sap. Avoid touching the sap and wash your hands if contact occurs. People sensitive to plant latex or sap should handle it with care or wear gloves.
Common problems
Overwatering can lead to root rot and yellowing leaves. Insufficient light may cause leggy growth. Sap contact can cause skin irritation.
Uses
Primarily grown as an ornamental succulent for indoor decoration or rock gardens due to its unique form and drought tolerance.
Notes
Be careful when pruning or repotting as the sap can irritate skin and eyes. Use gloves and wash hands after handling. Repot every 2-3 years or when root-bound.