Buckeyes, especially the shoots and seeds are considered to be toxic in the spring and summer to horses [p.1182]. Thank you Fran Bunn for the A2A. These will help get rid of squirrels for good, but it requires the extra labor of finding the squirrels after they die and can even be very dangerous. Horse chestnuts are regularly consumed through herbal tinctures and extracts. Native Americans ate roasted seeds as a starchy meal. Buckeyes aren't toxic to all animals. Buckeye nuts are actually mildly toxic in their uncooked state, but you can eat them after removing them from their shells and roasting them. They are termed horse chestnuts, buckeyes or conkers. Edible chestnuts are easy to tell apart from unrelated toxic species like horse chestnut or buckeye. Warning: Ohio buckeye is highly toxic when taken internally. On the other end of the spectrum, the fat brown nuts have also been used as good luck charms worn around the neck or on a belt. They can be to humans and livestock, but squirrels and some birds will eat them with no ill affects. Plant the Ohio buckeye, and you'll be rewarded with yellow-hued, upright spring flower clusters, brilliant orange autumn leaves and buckets and buckets of nuts. MoBowman, Sep 20, 2011. Native Americans used to extract the tannic acid for making leather and ground the nut into a coarse powder, casting it into rivers and ponds to stun or kill fish. Buckeyes are spiny-shelled nuts that grow on trees and are related to the horse chestnut. Tree: Natural Resources Canada, Canadian Forest Service; Leaf: Sean Fox; Bark: Natural Resources Canada, Canadian Forest Service ; Flower: Steven J. Baskauf; Updated: March 27, 2020 . Are Buckeyes Poisonous? Edible chestnuts belong to the genus Castanea and are enclosed in sharp, spine-covered burs. You are correct - Buckeyes are not edible to humans (they are poisonous). They are however, edible to squirrels. The tree produces glycoside aesculin, alkaloids and saponin aescin. Other people may be curious as to how squirrels can eat so many foods that are poisonous to human beings, such as acorns and poisonous mushrooms. It has a dense canopy that grows in a pleasing round shape, providing a good amount of shade. The following Aesculus species are reportedly toxic to animals; A. glabra ( Ohio buckeye), A. californica ( California buckeye), A. pavia (Red buckeye), A. octandra (Yellow buckeye), and the introduced species A. hippocastanum (Horse Chestnut). Many people wish to poison squirrels because they view them as "vermin" that harm crops or spread disease. Buckeye poisoning: Introduction. Larger animals including horses, cows and deer can become sick or die after eating buckeye nuts. The tree tends to fall when it reaches maturity, unexpectedly blocking paths, crashing through roofs or causing other issues when it breaks free from its mooring in the earth. It can grow as much as 10 inches a year, as either a large, multi-trunked shrub (found in Northern climes), or a small tree (30 plus feet high) in the Southern regions. The nuts appear in autumn and fall to the ground as they ripen. Uses Poisonous Plant: All parts of the plant (leaves, bark, ... livestock (below), squirrels are known to eat the raw seeds. These trees produce copious amounts of nuts and are wildly attractive to squirrels, though toxic to humans. Buckeye seeds are dark brown with a pale scar and somewhat resemble the eye of a male (buck) deer. Unlike chestnuts, though, Buckeye seeds and leaves are poisonous to humans and some animals—squirrels being one exception. is a useful and easily understood book, but does not have a very long listing of poisonous plants. They resemble edible chestnuts but are, in fact, TOXIC. Comment. The toxic, inedible horse chestnuts have a fleshy, bumpy husk with a wart-covered appearance. They are poisonous to pretty much everything to squirrels. Introduction: Ohio buckeye greens up early in spring and has attractive flowers in early to mid-May. They just must be cleaned VERY CAREFULLY after 'roasting' (open fire roasting works best, but you can also roast them on a cookie-sheet in the oven) to be sure that all of the little 'hairs' on the inside of the 'shell' (nut peeling) are removed. The nuts of all buckeyes are toxic but are used in crafts. These poisons are naturally occurring but can have serious side effects if not ingested or prepared properly. It can grow to be about 15 feet and as tall as 50 feet under the right conditions in the wild. Buckeyes can be used for medicinal purposes. Buckeye Seeds and Leaves. The most poisonous part of the buckeye tree are the seeds, bark, and fresh sprouts. I can't find anything that definitively says buckeyes are toxic to deer. • “The idea that one half of a buckeye is poisonous is absolutely false,” declared a commentator on Answers.com. They buckeye is a worthless nut Beatrice F. Howitt They are termed horse chestnuts, buckeyes or conkers. However, the Eastern Fox Squirrel has been known to eat the seeds sparingly. They can be to humans and livestock, but squirrels and some birds will eat them with no ill affects. Even taller is the yellow buckeye (Aesculus flava) that grows in the wild from Pennsylvania to Tennessee and shoots up to 100 feet. Squirrels are said to be the only animal to eat buckeyes without ill effect.