Yarrow is more properly known as Achillea. Achillea 'Paprika' is just one of a large family of flowers that are not fussy about location or soil. They love the sun and butterflies love them Achillea "The Pearl' is a slightly unusual form of achillea - or yarrow. Achillea 'Terra Cotta' grows right next to my front door.  I do want to say that I have seen the same yarrows growing in other gardens and the exact hue of the color…