SUNRIDE Herb Lexicon
Poison hemlock (Conium maculatum)
Poison hemlock is highly toxic to horses and can cause severe paralysis as well as life-threatening respiratory problems.
Common laburnum (Laburnum anagyroides)
Laburnum is toxic to horses and can cause severe nervous system disorders due to the cytisine it contains.
Daisies are generally non-toxic to horses and can be consumed fresh or dried in small quantities.