We depend on donations from users of our database of over 8000 edible and useful plants to keep making it available free of charge and to further extend and improve it. In recent months donations are down, and we are spending more than we receive. Please give what you can to keep PFAF properly funded. More >>>

Follow Us:


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

Vernonia noveboracensis New York ironweed


Translate this page:


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


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.

Food Forest Plants for Hotter Conditions: 250+ Plants For Tropical Food Forests & Permaculture Gardens.
Edible Tropical Plants

Food Forest Plants for Hotter Conditions: 250+ Plants For Tropical Food Forests & Permaculture Gardens.

Plants for Your Food Forest: 500 Plants for Temperate Food Forests & Permaculture Gardens.
Edible Temperate Plants

Plants for Your Food Forest: 500 Plants for Temperate Food Forests & Permaculture Gardens.

PFAF have eight books available in paperback and digital media.
More Books

PFAF have eight books available in paperback and digital formats. Browse the shop for more information.

Shop Now

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

Type a value in the Celsius field to convert the value to Fahrenheit:



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).

Shop Now

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 Plant Search

Search over 900 plants ideal for food forests and permaculture gardens. Filter to search native plants to your area. The plants selected are the plants in our book 'Plants For Your Food Forest: 500 Plants for Temperate Food Forests and Permaculture Gardens, as well as plants chosen for our forthcoming related books for Tropical/Hot Wet Climates and Mediterranean/Hot Dry Climates. Native Plant Search

Found In

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

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.


Print Friendly and PDF

Expert comment


(L.) Michx.

Botanical References

Links / References

For a list of references used on this page please go here

Readers comment

Add a comment

If you have important information about this plant that may help other users please add a comment or link below. Only comments or links that are felt to be directly relevant to a plant will be included. If you think a comment/link or information contained on this page is inaccurate or misleading we would welcome your feedback at [email protected]. If you have questions about a plant please use the Forum on this website as we do not have the resources to answer questions ourselves.

* Please note: the comments by website users are not necessarily those held by PFAF and may give misleading or inaccurate information.

To leave a comment please Register or login here All comments need to be approved so will not appear immediately.

Subject : Vernonia noveboracensis  
© 2010, Plants For A Future. Plants For A Future is a charitable company limited by guarantee, registered in England and Wales. Charity No. 1057719, Company No. 3204567.