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Common Sneezeweed (Helenium Autumnale)

Helenium Autumnale, or more commonly know as Common Sneezeweed, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and yellow flowers of the genus Helenium. It has a rapid growth rate and a height of 4.9 feet at maturity. Its duration is perennial which means it will grow year after year. It’s active growth period is spring and summer, blooms during fall and is intolerant of shade. Helenium Autumnale or Common Sneezeweed‘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, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin and Wyoming.

       

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Common Sneezeweed (Helenium Autumnale)
Credit: Forest & Kim Starr | Plants of Hawaii, Image 021126-0041 from http://www.hear.org/starr/plants/images/image/?q=021126-0041 | License: CC-BY-SA-2.5
  • Common Sneezeweed (Helenium Autumnale)
  • Common Sneezeweed (Helenium Autumnale)
  • Common Sneezeweed (Helenium Autumnale)
  • Common Sneezeweed (Helenium Autumnale)
  • Common Sneezeweed (Helenium Autumnale)
  • Common Sneezeweed (Helenium Autumnale)
  • Common Sneezeweed (Helenium Autumnale)
  • Common Sneezeweed (Helenium Autumnale)
  • Common Sneezeweed (Helenium Autumnale)

Common Sneezeweed (Helenium Autumnale) Native Growing Regions

Native States for Common Sneezeweed (Helenium Autumnale)
Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, Wisconsin, Wyoming

Common Sneezeweed (Helenium Autumnale) Information

  • Category: Dicot
  • Genus: Helenium
  • Family: Asteraceae
  • Order: Asterales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Perennial
  • Growth Habit: Forb/herb
  • Native Status: L48 (N) CAN (N)
  • PLANTS Invasive Status: NE&GP
  • National Wetland Indicator Status: FACW- OBL
  • Regional Wetland Indicator Status: 1(FACW+) 2(FACW) 3(FACW+) 4(FACW) 5(FACW) 6(FACW-) 7(FACW*) 8(FACW+) 9(FACW) 0(OBL)
  • Active Growth Period: Spring and Summer
  • After Harvest Regrowth Rate: Slow
  • Allelopath: No
  • Bloat: None
  • Coppice Potential: No
  • Fall Conspicuous: No
  • Fire Resistance: No
  • Flower Color: Yellow
  • Flower Conspicuous: Yes
  • Foliage Color: Green
  • Foliage Porosity Summer: Moderate
  • Foliage Porosity Winter: Porous
  • Foliage Texture: Fine
  • Fruit/Seed Color: Brown
  • Fruit/Seed Conspicuous: No
  • Growth Form: Single Stem
  • Growth Rate: Rapid
  • Height Mature (feet): 4.9
  • Leaf Retention: No
  • Lifespan: Moderate
  • Low Growing Grass: No
  • Resprout Ability: No
  • Shape and Orientation: Erect
  • Toxicity: Severe
  • Adapted to Coarse Textured Soils: Yes
  • Adapted to Fine Textured Soils: Yes
  • Adapted to Medium Textured Soils: Yes
  • Anaerobic Tolerance: Low
  • CaCO3 Tolerance: High
  • Cold Stratification Required: No
  • Drought Tolerance: Low
  • Fertility Requirement: Low
  • Fire Tolerance: None
  • Frost Free Days Minimum: 100
  • Hedge Tolerance: None
  • Moisture Use: Medium
  • pH (Minimum): 4
  • pH (Maximum): 7.5
  • Planting Density per Acre Minimum: 19212
  • Planting Density per Acre Maximum: 27000
  • Precipitation (Minimum): 10
  • Precipitation (Maximum): 60
  • Root Depth Minimum (inches): 6
  • Salinity Tolerance: None
  • Shade Tolerance: Intolerant
  • Temperature Minimum (°F): -43
  • Bloom Period: Fall
  • Commercial Availability: Routinely Available
  • Fruit/Seed Abundance: Medium
  • Fruit/Seed Period Begin: Fall
  • Fruit/Seed Period End: Fall
  • 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: No
  • Propagated by Tubers: No
  • Seed per Pound: 1464516
  • Seed Spread Rate: Rapid
  • Seedling Vigor: High
  • Small Grain: No
  • Vegetative Spread Rate: None

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