But Achillea millefolium, yarrow ... It's a host for many species, is easy to care for, and will readily spread if you let them. The Parasitic Wasp Is A Gardener's Best Friend Of all the insect-eating ...
There are several species and lots of cultivars to choose from including Achillea millefolium ... you're creating a prairie planting combination in a border. Providing easy care year-round drama, look ...