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Silphium integrifolium - Michx.

Common Name Prairie Rosinweed
Family Asteraceae
USDA hardiness 4-8
Known Hazards None known
Habitats Mesic to dry black soil prairies, gravel prairies, clay prairies, hill prairies, openings in rocky upland forests, limestone glades, and areas along railroads, particularly where prairie remnants occur. This plant can survive significant degradation, and recovers readily from occasional wildfires. It competes well against most prairie grasses and forbs in mesic to dry areas.
Range Native to eastern North America, including Ontario in Canada and the eastern and central United States as far west as New Mexico.
Edibility Rating    (3 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care (info)
Fully Hardy Well drained soil Moist Soil Full sun
Silphium integrifolium Prairie Rosinweed


Silphium integrifolium Prairie Rosinweed
SEWilco wikimedia.org

 

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Summary


Physical Characteristics

 icon of manicon of flower
Silphium integrifolium is a PERENNIAL growing to 1.8 m (6ft) by 0.9 m (3ft in) at a fast rate.
See above for USDA hardiness. It is hardy to UK zone 4.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay and nutritionally poor soils. Suitable pH: mildly acid, neutral and basic (mildly 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

This species contains the following infraspecific taxa: Silphium integrifolium var. integrifolium. Silphium integrifolium var. laeve Torr. & A.Gray.

Habitats

Edible Uses

Edible Parts: Oil
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]. Under development at the Land Institute to domesticate this species for use as an oilseed crop. Trials yielded 1.1t/ha of seed [1-1].

References   More on Edible Uses

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.


Native American peoples used the roots to treat pain from injuries [4].

References   More on Medicinal Uses

Now available: PLANTS FOR YOUR FOOD FOREST: 500 Plants for Temperate Food Forests and Permaculture Gardens.

An important new book from PFAF. It focuses on the attributes of plants suitable for food forests, what each can contribute to a food forest ecosystem, including carbon sequestration, and the kinds of foods they yield. The book suggests that community and small-scale food forests can provide a real alternative to intensive industrialised agriculture, and help to combat the many inter-related environmental crises that threaten the very future of life on Earth.

Read More

FOOD FOREST PLANTS

Other Uses

Oil

Garden Ornamental. Compared to other Silphium species, it is shorter, less likely to topple over, and faster from seed to flower. More manageable than most perennial sunflowers as it spreads slowly, and it is not known to be allelopathic. Adapts well to prairies, wildflower/native plant gardens, naturalized areas, meadows or moist, open woodland areas. Attracts birds and butterflies

Special Uses

Carbon Farming

References   More on Other Uses

Cultivation details

Management: Standard  Staple Crop: Protein-oil  Under Development

Climate: boreal to warm temperate. Humidity: semi-arid to humid. It needs full sun, poor to loamy soils, and mesic to dry conditions. Average, medium moisture, well-drained soils. Tolerates some light shade. Also tolerates some drought once established. Will grow in a variety of soils including sandy, loamy or clay ones. Cultivation: under development. Management: standard (Describes the non-destructive management systems that are used in cultivation) [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.

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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The PFAF Bookshop

Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.

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Propagation

Seed. Plants may be slow to establish in the garden, particularly when grown from seed. Plants often self-seed in optimum growing conditions. Plants develop taproots. Once established, division is not recommended.

Other Names

If available other names are mentioned here

Rosinweed, Prairie Rosinweed, Wholeleaf Rosinweed, Whole-leaf rosinweed, Entire-leaf rosinweed

Found In

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

Native to eastern North America, including Ontario in Canada and the eastern and central United States as far west as New Mexico.

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.

None Known

Conservation Status

IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Silphium laciniatumCompass Plant, Robinson's compassplantPerennial2.0 4-8  LMHSNM22 
Silphium laeve Perennial0.0 4-8  LMHSNM10 
Silphium perfoliatumCup Plant, RosinweedPerennial2.5 3-7 MLMHSNM020
Silphium terebinthinaceumPrairie Dockm, Prairie rosinweed, Lucy Braun's rosinweedPerennial1.5 4-8  LMHSNM02 
Silphium trifoliatumWhorled rosinweedPerennial1.8 4-6 MLMHSNDM002

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Michx.

Botanical References

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