One of the easiest herbs to grow, echinacea boosts and strengthens the immune system. This guide looks at its ability in tackling common colds, flu, cystitis, throat and nose infection and insect bites, as well as giving out advice on the cultivation, preparation and application of this herb. Exploring echinacea; a history of healing; echinacea in action; energy and emotion; growing, harvesting and processing; preparations fpor internal use; preparations for external use; natural medicine for everyone; herbal combinations; conditions chart; how echinea works.