Are azaleas poisonous to horses?

My grandmother asked me to look online for her. I googled it and, can't find anything actually saying that they are. Are Azalea flowers poisonous to horses? Thanks in advance.

Are azaleas poisonous to horses?
They are listed on this site http://www.chelonia.org/articles/plantst... as potentially poisonous to people and pets. This site http://www.raspberryridge.com/Feature-Po... states this: Toxin causes gastric and cardiac distress. Within six hours of ingestion, a horse can appear colicky and have tremors, along with cardiac arrhythmia. If enough of the plant is ingested, the horse could collapse and die. Treat with supportive therapy.
Reply:If the Azalea is one of the evergreen varieties it could be poisonous, if it is one of the deciduous varieties then there is no need to worry.



We have Rhododendrons and Azaleas in our paddocks and over the past 50 years we have not had a single case of poisoning.

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