Caring for yarrow » watering, fertilizing, cutting and more How regularly do yarrows need to be watered? Can yarrows also be cultivated in pots? When and how are yarrows pruned? Is yarrow susceptible to diseases or pests? Should the yarrow be fertilized? How is the yarrow overwintered? Help the development of the site, sharing the article with friends! Help the development of the site, sharing the article with friends! Category: Herbs