Allendan Seed Company

Desmodium illinoense - Illinois Tick Trefoil

Illinois Tick Trefoil (Desmodium illinoense) taken by Allendan Seed Company
SKU: 70
Return Policy

Illinois Tick Trefoil (Desmodium illinoense) is a herbaceous perennial. Its central stem is covered with fine hooked hairs, and has alternate compound leaves that are trifoliate. The stems terminate into an elongated cluster of small purple flowers with only a few in bloom at the same time. The flowers are replaced by flat 1-3 inch seedpods that have 3-9 segments, and are covered with hairs that cling to clothing or fur. The plant's genus name Desmodium means "long chain," a reference to its unique segmented seedpods.


Soil Moisture:  Moderate

Sun Exposure:  Full Sun, Partial Shade

Height:  3' - 5'

Spread:  2' - 3'

Hardiness Zone:  4 - 7

Bloom Color:  Purple

Bloom Time:  July, August

Attracts:  Butterflies, Pollinators, Birds, Mammals



Desmodium is a genus of plants in the legume family, and consists of approximately 21 species. Several species have been known to release organic compounds both aerially and into the soil that can improve soil fertility via nitrogen fixation. Desmodium plants are also a good food source for wildlife, such as, bobwhite, quail, turkey, grouse, deer, cattle, and goats. Desmodium are known to be hardy plants, and can be grown in a wide range of conditions and environments.

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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