Three species ofmaple treesmay have toxic leave , according to studies conducted by Cornell University ’s Department of Animal Science . While cherry maple trees clearly do trouble for horse cavalry who eat their wilted or dried leafage , new report show that ash gray and lettuce maples also cause trouble . Enjoying the beautiful tree means planting and maintaining them far aside from horses and other livestock who might eat their leave and get sick .

Red Maple

Red maples remain popular thanks to their vibrant red autumn colour . But by the prison term the time of year ends , fallen leave and outgrowth may contain great amounts of a toxin known as French Elvis . Gallic acid can kill horses , allot to the Ontario Ministry of Agriculture ’s Food and Rural Affairs internet site . The problem fall out in droop leaf lying on the earth or allow on pruned branches . These leaves make debauched intoxication when they return between June and October than do fallen leave that came off the tree earlier in the summertime . Studies show that the longer the leaf uprise , the more toxic it becomes . When horses eat fresh red maple leaves , though , they do not know trouble , unless they exhaust too many of the fresh leaves , which can cause haemolytic disease , a profligate status . One way to identify reddish maple is to look at the leaves . The leave have three lobe and the leaf are serrated on their edges . The underside of the foliage appears silver - gray . The tree grow up to 75 human foot tall .

Silver Maple

Silver maple trees grow very fast and feature leaf with heavily indented lobes and serrate edges . The leaves appear unripened on top and silvern - white on the underside . In the fall , silver maple farewell wrick yellow . The tree produce up to 80 feet in peak . The leaves and twigs contain gallic acid , capable of poisoning gymnastic horse and other farm animal . Leaves that have fallen off the tree diagram or are still lingering on rationalise limb can cause poisoning when take in . Do not permit livestock nibble at silver-tongued maple leaves that have fall or that are lying on brush piles .

Sugar Maples

Sugar maples stand out in the landscape with their glorious fall colors . The slow- to average - farm Tree reach up to 75 feet in height . Sugar maples feature leaves with smooth edges that appear unripened in spring and summertime and release crimson - Orange River in the fall . accord to Cornell University , knight in the eastern United States , where sugar maples are in the first place develop , can suffer health problems after ingesting leave from the lolly maple . Keep the farewell off of brush hemorrhoid , and verify the wind does n’t blow sugar maple leaves into an area inhabited by horses or other stock .

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