Toxic Plants and Trees
Lets all put our heads together and create a handy list of plants and trees that are toxic to horses.
A link to a website and/or pictures would be a great resource for all of us to ensure the heath and safety of our horses!
As we are all from different parts of the US and World please feel free to add native plants to your area!!! :D
What a good idea Dumas!!
Here is a website with a few more, I have read a lot about the Tansy Ragwort because it can be mixed in with the hay.
Hi, I am a new horse owner and new to the forum.
A group of us were just talking about this subject and one of us was told that St. John's Wort is toxic to horses. Is this true?
I watch carefully for the seaside groundsel as it contains a natural form of cyanide. That is my worst nightmare but it doesn't normally grow in hay fields. I keep my pastures inland as much as possible also.
Johnson grass, especially very early in it's growth cycle contains a natural form of cyanide as well. It is very common nation wide.
Wild Cherry trees should be cut down and carted off if you have any in your pasture. The dead branches are toxic to horses; they absorb the toxin through their feet. There have been numerous cases of people who have mulched the branches and used them for bedding only to find their horses very ill or dead. Horses who ingest the leaves or nibble on the bark can die within hours.
Oak leaves that have soaked in your horse's water tank can cause many illnesses.
Nightshade plant caused my grandmas horse to get hepatitis which made her liver fail so we had to put her down. In all, the poison took about a month to go all throughout her body.
Remember that normally horses will avoid toxic plants as long as there is ample forage for them. Lack of hay, grass, and boredom will cause horses to look for things to eat and then it becomes even more crucial to check the pastures and paddocks.
I don't know how wide spread this is but I know it is plentiful in my area. Locoweed. At least that is what we call it. Most of the plants that we have around here have the white or purple flowers. Poisonous Plant Research Products and Services
Here are the top ten most poisonous plants:
1. Bracken Firn
3. Tansy Ragwort
4. Johnsongrass/Sudan Grass
7. Red Maple Trees
8. Water Hemlock
9. Yellow Star Thistle
10. Yew Shrub
Any plant of the Prunus species i.e. Cherry, Plum, Peach etc.
Acorns, Oak leaves
Mountain Laurel - - PA
Rhododendron & Azaleas
WHEW! That's a lot to remember!
Good job Shoemaker - welcome to the forum.
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