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Vernonia crinita (arkansana) 'Mammuth'


Vernonia 'Mammuth' is topped with clusters of warm purple flowers on tall stems in late summer and fall that attract butterflies.

Ironweed 'Mammuth' is a fantastic prairie plant with lance-shaped leaves on stems to six feet tall topped with clusters of warm purple flowers that are attractive to butterflies. A stately plant for the back of the border. Blooms in late summer. Found in rocky flood plains, Vernonia crinita is very tolerant of hot dry locations, yet can withstand brief periods of inundation.

Common Name: Ironweed

Family: Asteraceae (The Aster Family)

Zone Hardiness: 4-9

Light: Full Sun

Height: 4-6'

Width: 2-3'

Primary Bloom Colour: Purple

Secondary Bloom Colour:

Class: Deciduous

Type: Perennial

Bloom Time: Summer - Fall

Soil Moisture: Dry, Average, Moist

Stem Colour:

Fragrance: No

Berries: No

Benefits: Butterflies

Deer Resistant: Unknown

BC Native: No

Native Habitat: Moist sunny meadows.


Geogrpahical Origin: Americas - North America

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*The Plant Encyclopedia is updated each year to provide a representation of the plants we offer, have offered, and may offer again. However, it is not a live inventory of our stock. Not all plants will be available at all times or in every year. Use the link above to enquire about the availability of this plant. Additionally, we carry many plants that have not yet been entered into our database so please enquire if you don’t see what you’re looking for. Plants are available only for on-site sales at our nursery in Richmond, BC, Canada or for shipping within Canada. We do not ship internationally. However, if you are visiting the nursery from afar, we can arrange for the necessary permits and paperwork for you to take plants back with you to your country.