Polygonum arifolium Halberd-leaved Tearthumb
Native To: New York City Wetland Indicator: OBL Soil: Not Available.
Form/Color Single stem with hooked prickles; arrow- Stormwater Insufficient information to determine
shaped leaves; pink, white, or green Tolerance: tolerance.
flowers bloom August-September; shiny
brown seeds. Urban Insufficient information to determine
Tolerance: tolerance.
Habitat: Open marshes and pond edges.
Ecosystem Seeds eaten by birds and small
Services: mammals.
Hydrology: Wet to moist soils.
Ornamental Pink, white, green flowers.
Value: Compatibility:
Salt Insufficient information to determine
Tolerance: tolerance. Other:
Shade Tolerant of partial shade.
Tolerance:
Polygonum hydropiperoides Mild Water-pepper
Native To: New York City Wetland Indicator: OBL Soil: pH 4. 8 - 8.8
Form/Color Grows to 6'; reclining stems; tops of Stormwater Insufficient information to determine
leaves fringed with long bristles; pink to Tolerance: tolerance.
white flowers bloom July-November; slow
grower. Urban Insufficient information to determine
Tolerance: tolerance.
Habitat: Open, wet soil, pond edges; freshwater
tidal and nontidal marshes.
Ecosystem Moderate wildlife value.
Services:
Hydrology: Intolerant of drought; medium moisture
usage; fine and medium textured soils.
Ornamental Pink to white flowers.
Value: Compatibility: Can form colonies.
Salt Intolerant of salt.
Tolerance: Other: Used as a minor species for
increasing diversity and aesthetics in
Shade Tolerant of partial shade. marsh and swamp habitat
Tolerance: restoration; wetland mitigation.