Orange County NC Website
~~ <br />watchful guidance of a registered Professional Engineer anal a wetlsnd ecologist or local <br />•~ landscape specialist with particular expertise in wetland planting and management. <br />Internal Wetland Zones Defined <br />Zone 1: Deep Pool: 18- to 48-inch normal pool water depths <br />Zone II: Deep Pool-to-Shallow Water Transition: 6- to 18-inch normal pool water depths <br />Zone III: Sallow Water: 0- to 6-inch normal pool water depths <br />Zone IV: Temporary Inundation: Water quality temporary pool areas (e.g.; 0-inch normal <br />pool water depths to approximately 12-inches above normal pool) <br />Zone V: Upper Bank: Pool areas above the water quality temporary pool <br />Tier 1 Table -Stormwater Wetland Vegetation <br />Plants Found to Reliably Colonize in Stormwater Wetlands from the Highest to Least Water <br />Tolerant <br />Common Name Scientific Name Zone/s Comments <br />Fragrant Water Lily Nymphaea odorata I and II (deepest <br /> fringe) <br />Spatterdock Nuphar lutea I and II (deepest <br /> fringe) <br />So$stem Bulrush Schoeneplectus II and III Former Scientific <br /> tabernaemontani Name: Scirpus <br /> Tjalidus <br />Pickerelweed Pantedaria cordata II and III Produces a bright <br /> and showy <br /> purple/blue flower. <br />Broadleaf Sagittaria latifolia III Produces broad <br />Arrowhead Leaves, and produces <br /> white flowers in the <br /> summer. <br />Bulltongue Sagittaria lancifolia III Produces white. <br />Arrowhead flowers in the <br /> summer. <br />Burreed or Bur-reed Sparganium III Tolerates flowing <br /> spamericanurn water zones near <br /> inlets and outlets.. <br />Lizard's Tail Saururus cernuus TII and IV Can dominate in <br /> dryer years; <br /> produces a <br /> distinctive thin <br /> white flower. <br />Woolgrass Scirpus cyperinus LII and N Produces a tall, <br /> brown seed head in <br /> the summer. Makes <br /> tall border. <br />Common Rush Juncus spp. III and IV Grows best at the <br /> water's edge. <br /> Grows well near <br />