Credit: unknown | http://www.nps.gov/samo/naturescience/wildflowers%2Ehtm?eid=105281&aId=58&root_aid=58&sort=title&startRow=397#e_105281 | License: PD Old

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Curly Pondweed (Potamogeton Crispus) Native Growing Regions: Alabama Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Idaho Illinois Indiana Iowa Kentucky Louisiana Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Dakota Tennessee Texas Utah Vermont Virginia Washington Wisconsin Wyoming

• Category: Monocot
• Genus: Potamogeton
• Family: Potamogetonaceae
• Order: Najadales
• Class: Liliopsida
• Division: Magnoliophyta
• Duration: Perennial
• Growth Habit: Forb/herb
• Native Status: L48 (I) CAN (I)
• State Noxious Status: AL (CCW) CT (IB) MA (P) ME (IAP) VT (CBW) WA (CCW)
• State Noxious Common Name: AL (curlyleaf pondweed) CT (crispy-leaved pondweed) MA (crisped pondweed curly pondweed) ME (curly pondweed) VT (curly leaf pondweed) WA (crisped pondweed curly pondweed)
• PLANTS Invasive Status: Cal-IPC SEEPPC STATE WI
• National Wetland Indicator Status: OBL
• Regional Wetland Indicator Status: 1(OBL) 2(OBL) 3(OBL) 4(OBL) 5(OBL) 6(OBL) 7(OBL) 8(OBL) 9(OBL) 0(OBL)
• Active Growth Period: Spring Summer Fall
• After Harvest Regrowth Rate: None
• Allelopath: No
• C:N Ratio: Medium
• Coppice Potential: No
• Fall Conspicuous: No
• Fire Resistance: No
• Flower Color: Green
• Flower Conspicuous: No
• Foliage Color: Red
• Foliage Porosity Summer: Porous
• Foliage Porosity Winter: Porous
• Foliage Texture: Fine
• Fruit/Seed Color: Brown
• Fruit/Seed Conspicuous: No
• Growth Form: Single Crown
• Growth Rate: Rapid
• Height Mature (feet): 0
• Leaf Retention: No
• Lifespan: Short
• Low Growing Grass: No
• Resprout Ability: No
• Shape and Orientation: Prostrate
• Toxicity: None
• Adapted to Coarse Textured Soils: No
• Adapted to Fine Textured Soils: No
• Adapted to Medium Textured Soils: No
• Anaerobic Tolerance: High
• CaCO3 Tolerance: Low
• Cold Stratification Required: No
• Drought Tolerance: None
• Fertility Requirement: Medium
• Frost Free Days Minimum: 100
• Hedge Tolerance: None
• Moisture Use: High
• pH (Minimum): 6.4
• pH (Maximum): 8.5
• Planting Density per Acre Minimum: 1700
• Planting Density per Acre Maximum: 4800
• Precipitation (Minimum): 12
• Precipitation (Maximum): 55
• Root Depth Minimum (inches): 0
• Salinity Tolerance: None
• Shade Tolerance: Intolerant
• Temperature Minimum (°F): -33
• Bloom Period: Mid Spring
• Commercial Availability: No Known Source
• Fruit/Seed Abundance: Medium
• Fruit/Seed Period Begin: Spring
• Fruit/Seed Period End: Summer
• Fruit/Seed Persistence: No
• Propagated by Bare Root: Yes
• Propagated by Bulbs: No
• Propagated by Container: No
• Propagated by Corms: No
• Propagated by Cuttings: No
• Propagated by Seed: Yes
• Propagated by Sod: No
• Propagated by Sprigs: Yes
• Propagated by Tubers: No
• Seed Spread Rate: Moderate
• Seedling Vigor: Medium
• Small Grain: No
• Vegetative Spread Rate: Slow

Curly Pondweed (Potamogeton Crispus)

Potamogeton Crispus, or more commonly know as Curly Pondweed, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with red foliage and green flowers of the genus Potamogeton. It has a rapid growth rate and a height of 0 feet at maturity. Its duration is perennial which means it will grow year after year. It’s active growth period is spring summer fall, blooms during mid spring, is intolerant of shade and is routinely available commercially. Potamogeton Crispus or Curly Pondweed‘s floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin and Wyoming.

Tags: Forb/herb, Liliopsida, Magnoliophyta, Monocot, Najadales, Perennial, Potamogeton, Potamogetonaceae, Rapid, Red, Single Crown

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