Horn Nut

Trapa natans var. bispinosa

Native to:
Angola, Bangladesh, Botswana, Burkina, Cameroon, Central African Republic, Chad, China, Congo, DR Congo, Gabon, Gambia, Guinea-Bissau, India, Japan, Jawa, Kenya, Korea, Laos, Malawi, Mozambique, Namibia, Nigeria, Pakistan, Philippines, Russia, Sri Lanka, Sudan-South Sudan, Taiwan, Tanzania, Thailand, Uganda, Vietnam, Zambia, Zimbabwe

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Lythraceae
Genus:
Trapa
Species:
Trapa natans var. bispinosa
USDA Symbol:
TRBI5

Growth Characteristics

Height:
15 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
white

Garden & Ecology Notes

Wildlife Value:
waterfowl
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, organic, waterlogged soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist to submerged
Notes:
Commonly found in slow-moving freshwater bodies

Propagation & Germination

Stratification:
Cold/moist stratification required — 90–120 days
Germination Time:
14–30 days
Notes:
Seeds must remain submerged and moist; they lose viability quickly if allowed to dry out.

The above propagation data sourced from Claude AI