Iris prismatica Slender Blue Flag
Native To: New York City Wetland Indicator: OBL Soil: Not Available.
Form/Color Perennial, grows to 8-30", leaves have Stormwater Insufficient information to determine
reddish bases, flowers blue-violet in Tolerance: tolerance.
June-July.
Urban Insufficient information to determine
Tolerance: tolerance.
Habitat: Undisturbed marshes, swamp forests,
salt marsh edges, mostly coastal.
Ecosystem Attractive to hummingbirds.
Services:
Hydrology: Moist soil conditions, tolerant of saturated
soil.
Ornamental Showy blue-violet flowers.
Value: Compatibility: Can form colonies.
Salt Moderately tolerant of salt.
Tolerance: Other:
Shade Tolerant of partial shade.
Tolerance:
Iris versicolor Large Blue Flag
Native To: New York City Wetland Indicator: OBL Soil: Acidic soils.
Form/Color Perennial, slow grower to 32", often forms Stormwater Tolerant of stormwater.
large clumps, leaves usually purple at Tolerance:
base, flowers blue-violet in May-July.
Urban Performs well in the right of way.
Tolerance:
Habitat: Undisturbed marshes, pond edges,
swamp forest gaps, freshwater and
brackish tidal marshes. Ecosystem Flowers attractive to hummingbirds,
Services: insects, and birds.
Hydrology: Tolerant of flooding or saturated soil.
Ornamental Showy blue-violet flowers.
Value: Compatibility: Can form colonies.
Salt Moderately tolerant of salt.
Tolerance: Other:
Shade Tolerant of shade but will not flower.
Tolerance: