This mare consumed an unknown amount of creeping indigo. Figuring out what was going on with our herd of 4 took the effort of 4 veterinarians and the course .<br /><br />A poisonous weed is making horses sick in Pinellas County. RUSKIN, Fla. - A poisonous weed thats invaded Floridas pastures has killed a horse in Ruskin a.<br /><br />Luna, our senior mare, suffering from Creeping Indigo Toxicity.<br /><br />Creeping Indigo toxicity report. Beware of this plant.<br /><br />A poisonous weed is making horses sick in Pinellas County. RUSKIN, Fla. - A poisonous weed thats invaded Floridas pastures has killed a horse in Ruskin .
