★★★★★
Yarrow for Poison Ivy. I make a paste of the dried flowers, add some clay and sometimes comfrey to make it stick. Leave on 20 minutes. Blisters dry up and skin heals after one application.
EC: Pics of yarrow here: http://images.google.com/images?hl=en&q=yarrow+flower&gbv=2&aq=0&oq=yarrow