Tonka bean (Dipteryx odorata)
Care, watering, light and tips for Tonka bean on Floravia.
Quick facts
- Family: Fabaceae
- Difficulty: Demanding
- Watering: every 5 days
- Light: Full sun
- Temperature: 5–35 °C
- Toxicity: Toxic to pets
About Tonka bean
Dipteryx odorata, commonly known as Tonka Bean or Cumaru, is an impressive tropical tree from the Fabaceae family, prized for its aromatic seeds. It features a straight trunk and a dense canopy, with purple or pink flowers that develop into oval fruits. This tree is ideal for large parks or as a shade tree in tropical climates, where its presence adds an exotic touch and its fragrance is highly valued.
Native range
Northern South America (mainly Brazil, Venezuela, Guyana, Suriname, and French Guiana)
Care tips
It requires full sun and consistently warm temperatures, typical of its tropical habitat. Watering should be regular, keeping the soil moist but well-drained, especially during active growth periods. It prefers deep, fertile, and well-draining soils, with a slightly acidic to neutral pH. Absolutely avoid frost exposure, as it is extremely sensitive to low temperatures, which can be fatal for the plant.
How to save a dying Tonka bean
- Warning signs
- Yellowing and premature leaf drop, slow or no growth, dry trunk or branches.
- First aid
- Check drainage and soil moisture. If waterlogged, repot to well-drained soil. If dry, water deeply.
- What kills it
- Overwatering causing root rot, or prolonged drought. Also, excessively low temperatures.
- Can it be saved?
- Yes, if roots aren't completely rotten and the main trunk still shows vitality.