Psophocarpus

Psophocarpus palustris

Native to:
Angola, Benin, Burkina, Cameroon, Central African Republic, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Nigeria, Senegal, Sierra Leone, Sudan-South Sudan, Togo

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Psophocarpus
Species:
Psophocarpus palustris
USDA Symbol:
PSPA4

Growth Characteristics

Height:
300 cm
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
blue, purple

Garden & Ecology Notes

Wildlife Value:
bees, butterflies

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers wetland areas, often found in marshes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–30 days
Notes:
Scarification of hard seed coat recommended before cold stratification. Seeds germinate best in warm, moist conditions after pretreatment.

The above propagation data sourced from Claude AI