Overview
Brazilian Rain Tree Bonsai (Chloroleucon tortum / Pithecellobium tortum) is a tropical tree with compound leaves, pale bark, thorns and responsive growth. It is best suited to tropical bonsai collections, informal upright and spreading acacia-like designs. For UK growers, treat it as: Indoor in the UK, warm summer outdoors.
Placement
bright light with warmth; protect from cold below typical indoor comfort levels
Watering
keep evenly moist in growth but never waterlogged
Feeding and fertilising
feed regularly during active growth
Pruning and wiring
clip after shoots extend; wire with care because thorns and fast growth can mark bark
Repotting
repot every 2-3 years in spring or warm weather
Propagation
seed and cuttings in warm conditions
Pests, diseases and common issues
leaf folding can be normal at night, but leaf drop may indicate cold, low light or water stress