American Buckwheat Vine
Brunnichia ovata
- Native to:
- United States
Christopher Meloche, USDA ARS





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Polygonaceae
- Genus:
- Brunnichia
- Species:
- Brunnichia ovata
- USDA Symbol:
- BROV4
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Vine
- Height:
- 1500 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- white, greenish
Wildlife Benefits
- Butterflies & Moths:
- ★★★★☆ Documented Lepidoptera association (GBIF)
Reported Fauna Sightings
Moths:Timandra amaturaria
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
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:
- commonly found in floodplains and wetland areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold stratification for 60-90 days to break dormancy.