Susun Weed explains nourishing herbal infusion, her favorite herbs for infusion are nettle, oatstraw, red clover, and comfrey leaf, but only one at a time.
An infusion is a large amount of herb brewed for a long time. Typically, one ounce by weight (about a cup by volume) of dried herb is placed in a quart jar which is then filled to the top with boiling water, tightly lidded and allowed to steep for 4-10 hours.