Tonka Bean

Dipteryx odorata

Native to:
Brazil, French Guiana, Guyana, Suriname

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Dipteryx
Species:
Dipteryx odorata
USDA Symbol:
DIOD2

Growth Characteristics

Height:
4000 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
mar,apr,may
Bloom Colors:
pink, purple

Garden & Ecology Notes

Wildlife Value:
bats, birds
Fragrant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers fertile soils in tropical regions

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–60 days
Notes:
Seeds have a hard coat requiring scarification. Fresh seeds germinate more readily; viability decreases rapidly with storage.

The above propagation data sourced from Claude AI