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Vernonia noveboracensis - (L.) Michx.

Common Name New York ironweed
Family Compositae
USDA hardiness 4-9
Known Hazards Possible. Has highly toxic relatives.
Habitats Moist meadows, pastures & roadsides. Flourishes on slopes in the Edwards Plateau. Well-drained caliche and limestone.
Range Native to the eastern United States, from Florida to Massachusetts and west to Tennessee, Alabama, and West Virginia.
Edibility Rating    (0 of 5)
Other Uses    (2 of 5)
Weed Potential Yes
Medicinal Rating    (0 of 5)
Care (info)
Fully Hardy Well drained soil Moist Soil Full sun
Vernonia noveboracensis New York ironweed


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Vernonia noveboracensis New York ironweed
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Summary


Physical Characteristics

 icon of manicon of flower
Vernonia noveboracensis is a PERENNIAL growing to 2 m (6ft) by 1 m (3ft 3in) at a medium rate.
See above for USDA hardiness. It is hardy to UK zone 5.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid and neutral soils. It cannot grow in the shade. It prefers dry or moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Aster giganteus Hort. ex Vilm. Behen noveboracensis (L.) Hill. Behen praealtum (L.) Hill. Cacalia noveboracensis (L.) Kuntze. Chrysocoma noveboracensis Desf. Chrysocoma tomentosa Walter [Illegitimate]. Serratula caroliniana Mill. Serratula noveboracensis L. Serratula praealta L. V. harperi Gleason. V. noveboracensis (L.) Willd. [Illegitimate]. V. noveboracensis var. noveboracensis. V. noveboracensis f. noveboracensis. V. noveboracensis var. praealta Alph.Wood. V. noveboracensis var. tomentosa (Walt.) Port. & Elliot. V. praealta (L.) Michx. V. praealta var. praealta. V. rugeliana Shuttlew. ex A.Gray. V. tomentosa (Walt.) Elliot. V. tomentosa (Walter) Elliott [Illegitimate].

Plant Habitats

Edible Uses

None Known

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.


None known

References   More on Medicinal Uses

The Bookshop: Edible Plant Books

Our Latest books on Perennial Plants For Food Forests and Permaculture Gardens in paperback or digital formats.

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Other Uses

Nectary: provides nectar or pollen for beneficial insects [1-2]. The flowers attract butterflies and seed heads attract birds. Background plant for borders - a tall, narrow plant, it is suited for the back of the border or tight spaces. Cottage gardens, wildflower gardens, meadows or naturalized areas [368-1].

Special Uses

References   More on Other Uses

Cultivation details

A very tall perennial herbaceous wildflower reaching 2m/7ft. Prefers average, medium to wet soils in full sun. Tolerating a wide range of soils, but preferring rich, moist, slightly acidic soils. Soil pH: Acidic (pH<6.8). CaCO3 Tolerance: Medium. Drought Tolerance: Medium.Juglone tolerant. For polyculture design as well as the above-ground architecture (form - tree, shrub etc. and size shown above) information on the habit and root pattern is also useful and given here if available. The plant growth habit is a clumper with limited spread [1-2].

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,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).

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Plant Propagation

Seed - sow seeds in fall or provide cold stratification. Germination is usually low so sow Softwood cuttings taken in late spring or by division of clumps. Seed Collection: 3-4 weeks after the blooming period. Store dry in sealed, refrigerated containers.

Other Names

If available other names are mentioned here

Ironweed, New York ironweed

Native Range

NORTHERN AMERICA: United States (Massachusetts, New Jersey, New York, Ohio (Gallia Co.), Pennsylvania (southeast), Rhode Island, West Virginia, Connecticut, Alabama, Delaware, District of Columbia, Florida, Georgia, Kentucky, Maryland, North Carolina, South Carolina, Virginia, Tennessee)

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.

Ironweed can be an aggressive weed in moist soils.

Conservation Status

IUCN Red List of Threatened Plants Status : Not Listed.

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Vernonia glaucaIronweed, Broadleaf ironweedPerennial1.5 3-7  LMHNM01 

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.

 

Expert comment

Author

(L.) Michx.

Botanical References

Links / References

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