Echinacea for Colds
Find out about a study that questions the effectiveness of echinacea for cold.
When to Use Echinacea
Is echinacea for prevention or treatment?
Making Echinacea Liquid Extract
Advanced information about making echinacea herbal tinctures, by the Healthy Herbs Guide at About.com.
Growing Echinacea in Your Garden
Did you know that echinacea is a common garden plant? Learn more about growing echinacea from the Gardening Guide at About.com.