Allendan Seed Company

Eutrochium purpureum - Sweet Joe-pye Weed

Image of Sweet Joe-pye Weed (Eutrochium purpureum) taken by Allendan Seed Company
SKU: 75
Return Policy

Sweet Joe-pye Weed (Eutrochium purpureum) is a tall native perennial. Its stems are solid green, but dramatically purple at nodes. Its leaves are in whorls of 3 - 4, and flatter with less textured veins than Spotted Joe-pye Weed (Eutrochium maculatum). The domed flower heads are comprised of several branches that produce tiny, pale pink or lavender flowers. It prefers drier and shadier conditions than Spotted Joe-pye Weed.


Soil Moisture:  Moderate

Sun Exposure:  Partial Shade, Full Shade

Height:  4' - 6'

Spread:  2' - 3'

Hardiness Zone:  3 - 8

Bloom Color:  Lavender, Pink

Bloom Time:  August, September

Attracts:  Butterflies, Pollinators



Eutrochium is a genus of flowering plants that are native to the United States and Canada, and are grown mostly as ornamental plants. They are commonly called Joe-Pye Weeds, and were traditionally all the purple flowering North American species in the genus Eupatorium. Besides the flower color, the other main difference between Eutrochium and Eupatorium is that the former has mostly whorled leaves and the latter mostly has opposite leaves. Some sources claim that the plant was previously used to treat typhus outbreaks, and to treat kidney stones.

Return Policy

Returns of standard seed mixes and individual species must be made in the original unopened packaging within 10 days of delivery. If you wish to return live plants, you must do so within 5 days of delivery. Returns of standard mixes, individual species, and live plants are subject to a restocking fee of 25%. Custom seed mixes may not be returned. When returning non-damaged goods, the buyer is responsible for shipping charges, and return shipping may be made by whatever means the buyer selects.

Allendan Seed Company warrants that the seed it sells will conform to the label description as required under state and federal seed laws. The seed labels show independent lab testing results, and the absence of weed seed is not represented or guaranteed. It makes no warranties, expressed or implied, of merchantability, fitness for purpose, or otherwise, which would extend beyond such descriptions. In any event its liability for breach of any warranty or contract with respect to such seed or plants is limited to the purchase price only. Allendan Seed Company further limits to the purchase price any liability of any kind on account of any negligence whatsoever on its part with respect to such seed or plants. By acceptance of the seed or plants, the buyer acknowledges that the limitations and disclaimers herein described are conditions of sale and that they constitute the entire agreement between the parties regarding warranty or any other liability.

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