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Helianthus pauciflorus - Nutt.

Common Name Stiff Sunflower, Prairie Sunflower
Family Asteraceae
USDA hardiness 3-7
Known Hazards None Known
Habitats Dry to moderately wet prairies and open areas. Subspecies Helianthus pauciflorus subsp. subrhomboideus occurs in dry, open habitats.
Range North American. Widespread across the Great Plains, the Rocky Mountains, and the Great Lakes region. Naturalized in the eastern United States and in much of southern Canada (from Alberta to Nova Scotia).
Edibility Rating    (4 of 5)
Other Uses    (1 of 5)
Weed Potential Yes
Medicinal Rating    (0 of 5)
Care
Fully Hardy Well drained soil Moist Soil Full sun
Helianthus pauciflorus Stiff Sunflower, Prairie Sunflower


Matt Lavin wikimedia.org
Helianthus pauciflorus Stiff Sunflower, Prairie Sunflower
Matt Lavin wikimedia.org

 

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Summary

Perennial sunflowers have protein and oil-rich seeds. Perennial crops are being developed for their oil-seed. The Land Institute see them as part of a perennial polyculture system [1-1]. Several perennial sunflowers are being worked with including prairie natives handling boreal to warm temperate semi-arid conditions: Helianthus maximliani (Maximilian sunflower), Helianthus tuberosus (Jerusalem artichoke), Helianthus pauciflorus (Stiff sunflower). Less tolerant of boreal conditions but good on poor soils is Helianthus cusickii ( Cusick's sunflower) [1-1].


Physical Characteristics

 icon of manicon of flower
Helianthus pauciflorus is a PERENNIAL growing to 1.5 m (5ft) by 0.3 m (1ft in) at a fast rate.
It is hardy to zone (UK) 3.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.

UK Hardiness Map US Hardiness Map

Synonyms

Harpalium rigidum Cass. [Invalid]. Helianthus × laetiflorus var. rigidus (Cass.) Fernald. Helianthus laetiflorus var. rigidus (Cass.) Fernald. Helianthus pauciflorus var. pauciflorus. Helianthus pauciflorus subsp. pauciflorus. Helianthus rigidus (Cass.) Desf. Helianthus rigidus subsp. rigidus. Helianthus rigidus var. rigidus

Habitats

Edible Uses

Edible Parts: Oil  Seed
Edible Uses: Oil

Carbon Farming Solutions - Staple Crop: protein-oil (The term staple crop typically refers to a food that is eaten routinely and accounts for a dominant part of people's diets in a particular region of the world) [1-1]. Perennial crops are being developed for their oil-seed. The Land Institute see them as part of a perennial polyculture system [1-1].

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


None Known

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Other Uses

Oil

Drought-tolerant and suitable for xeriscaping. Attractive to bees, butterflies and/or birds

Special Uses

Cultivation details

Management: Standard  Staple Crop: Protein-oil  Under Development

Climate: boreal to warm temperate. Humidity: semi-arid to humid. Soil pH: 6.1 (mildly acidic) to 7.8 (mildly alkaline). Prefers full sun and mesic to dry conditions. Soil can contain significant amounts of loam, clay loam, sand, or gravelly material. Easy to grow. Carbon Farming Solutions - Cultivation: under development. Management: standard (Describes the non-destructive management systems that are used in cultivation) [1-1]. Perennial crops are being developed for their oil-seed. The Land Institute see them as part of a perennial polyculture system [1-1]. Several perennial sunflowers are being worked with including prairie natives handling boreal to warm temperate semi-arid conditions: Helianthus maximliani (Maximilian sunflower), Helianthus tuberosus (Jerusalem artichoke), Helianthus pauciflorus (Stiff sunflower). Less tolerant of boreal conditions but good on poor soils is Helianthus cusickii ( Cusick's sunflower) [1-1].

Carbon Farming

  • Management: Standard  Plants grow to their standard height. Harvest fruit, seeds, or other products. Non-Destructive management systems.
  • Staple Crop: Protein-oil  (16+ percent protein, 16+ percent oil). Annuals include soybeans, peanuts, sunflower seeds. Perennials include seeds, beans, nuts, and fruits such as almond, Brazil nut, pistachio, walnut, hazel, and safou.
  • Under Development  Plant breeders are actively working to domesticate these plants for cultivation, but they are not yet commercially available as crops. Examples include most of the perennial cereal grains.

Temperature Converter

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Propagation

An easy plant to grow. Division. Herbaceous stem cuttings. Seed; direct sow outdoors in autumn. Self-sows freely.

Other Names

If available other names are mentioned here

Helianthus Species, Prairie Sunflower, Showy Sunflower, Stiff Sunflower.

Found In

Countries where the plant has been found are listed here if the information is available

Canada (Saskatchewan, Manitoba, British Columbia, Alberta); United States (Wyoming, Wisconsin, Vermont, Texas, South Dakota, Rhode Island, Pennsylvania, Oklahoma, North Dakota, New York, New Mexico, New Jersey, Illinois, Georgia, Connecticut, Colorado, Arkansas, Arizona, Indiana, Iowa, Kansas, Kentucky, Maine, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Hampshire).

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Can spread and become very aggressive.

Conservation Status

IUCN Red List of Threatened Plants Status : Status: Least Concern

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Helianthus annuusSunflower, Common sunflowerAnnual3.0 6-9 FLMHSNDM520
Helianthus cusickiiCusick's sunflowerPerennial0.6 7-10 FLMHNDM310
Helianthus doronicoides Perennial1.8 4-8  LMHNM20 
Helianthus giganteusGiant SunflowerPerennial3.6 4-8 FLMHNM300
Helianthus hybridsPerennial SunflowerPerennial3.6 4-11 FLMHNDM422
Helianthus laetiflorusShowy Sunflower, Cheerful sunflowerPerennial2.0 4-8  LMHNM20 
Helianthus lenticularisWild SunflowerAnnual3.0 -  LMHNM30 
Helianthus maximilianiiMaximillian Sunflower, Maximillian DaisyPerennial2.4 5-10 MLMHNM30 
Helianthus petiolarisPrairie SunflowerAnnual3.0 4-8  LMHNDM210
Helianthus strumosusPaleleaf Woodland SunflowerPerennial2.0 4-8  LMHNM21 
Helianthus tuberosusJerusalem ArtichokePerennial2.4 4-8 FLMHNDM413

 

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Author

Nutt.

Botanical References

Links / References

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