Toxic Plants and Trees

Wow I had no idea that oleander was poisonous.... and Oak? Jeez I have a big oak tree that my horses LOVE to stand under.

I feel like freaking out right now but I realize it is pointless. My yearling has been eating my rose of sharon bushes to the point of killing them & eating all the new shoots off the blackjack trees in our yard. She is healthy and acting normal so...... I don't know. She has also eaten some of my peace lily plant & my spider plant.....are they poisious? Ugh!
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I find it incredibly awesome that horses can eat poison ivy or oak and it doesn't even bother them! Its pretty interesting they can eat poison ivy but not johnson grass? Just goes to show theres more to learn about them!

I would recommend just keeping a close eye on him and making sure he is drinking a good amount of water and eating a good amount of food. If you don't see any problems within 24 hours then no worries! Usually you can tell within 2 hours or so. And then of course don't let him eat any more! :) let me know how he is!

I don't know if this is true, but an very old horseman told me any plant that is purple is toxic to horses. Has anyone else heard that?

Isn't it Johnson grass that is only poison after a killing frost? One of the Yard grasses and usually horses don't eat it after frost unless they are on a bare lot that is and really hungry. I know for a fact I've seen my horses eating or tasting Oak leaves when the grass was really down due to drought. But I guess they didn't eat or taste much cause I never noticed the trees looking like the leaves had been eaten off except for my mulberry tree and they LOVE the leaves for that and of course the rare giant timber bamboo that I have been trying for three years to get started in my yard they LOVE to eat that too LOL.

Or maybe it was Fescue grass that was poison after the frost. I forget now.... grrrrr. Now I gotta look it up.

Thank you! This list is very helpful.

What really bothers me is seeing fields in my area full of weeds, and horses out there grazing or farmers cutting then selling as horse hay. The horses will stay away for the most part but a healthy well managed field should have no weeds or very minimal, usually when you see weeds it means the ph is low in the soil and that goes for many varieties, I have worked at a few golf courses and am educated in the turfgrass industry, I am relatively to horses but common sense tells me these weeds are relatively easy to manage and that's exactly what needs to happen, but not everyone has the knowledge but in today age the material is available from many sources for free. I have boarded at a few places now and neither really knows how to properly manage there fields I offer to help but they don't take up the offer, probably because I am a city boy of sorts:( but one thing I can do very well is manage turfgrasses and I hate weeds, anyways sorry for ranting but I can't wait to get my property so at least I know my horses will be eating properly, and I can have piece of mind knowing exactly what they will be eating.

Please don't get me wrong I see many that are very well managed and kudos to the people who manage them and work hard to keep them in good shape.