
02/07/2025
Aroma – Dichrostachys cinerea
🌿 Name:
Dichrostachys cinerea
🌿 Also known as:
Aroma (local/Swahili name in Kenya)
Sickle Bush
Chinese lantern tree
Kalahari Christmas tree
🌿 W**d potential:
✅ Yes – Considered a w**d in many parts of Africa due to its fast spread and resistance to control, especially in overgrazed lands.
🚫 In pasture areas, it's often invasive and can dominate rangelands.
🌍 Distribution:
Native to: Tropical Africa, parts of Asia
In Kenya: Found in dryland areas including Kilifi, Kitui, Taita Taveta, and Turkana
Thrives in savannah and semi-arid regions.
🌿 Plant type:
Deciduous shrub or small tree
⏳ Lifespan:
Perennial – can live for decades under proper conditions
🌿 Characteristics:
Ultimate height: 3–7 meters
Ultimate spread: 3–5 meters
Leaf type: Bipinnate, fern-like
Leaf colour: Bright green
Planting season: March–May or October–November
Bloom time: November–February
Flower colour: Two-toned—purple/lilac and yellow in a single spike (iconic!)
Flower size: Small but clustered in showy fluffy spikes
Harvest time (pods): August–October
Fruit colour: Brown woody pods
🌞 Care Conditions:
Temperature: Tolerates 15°C–40°C
Hardiness zone: USDA 9–11
Sunlight: Full sun to light shade
Soil: Well-drained sandy or loamy soil; drought-tolerant once established
🌱 How to:
Water: Minimal; drought-tolerant once established
Fertilizer: Not necessary in natural soils, though compost aids early growth
Prune: Regularly if used as hedge; can coppice
Propagate: Seeds (scarify/hot water soak); root suckers; cuttings
🐛 Common problems:
Invasive spread through root suckers
Browsing by livestock can affect shape
Susceptible to fire in early stages
Can harbor tsetse flies in unmanaged thickets
🌿 Value & Uses:
Traditional medicine: Bark, leaves, and pods used for treating wounds, fevers, and digestive issues
Fuelwood & charcoal: High-quality firewood
Fodder: Leaves and pods browsed by goats and camels.
Soil improvement: Nitrogen-fixing tree