NATIVE. Appleblossom Yarrow - Achillea millefolium 'Appleblossom'. Easy-to-grow herbaceous perennial boasts showy soft pink to pale rose flowers that offer a cool look to the summer garden. Fast-growing clumps of ferny, gray-green leaves form a compact, spreading mound, perfect for massed plantings. Flowers may be cut and dried for bouquets. ATTRACTS BUTTERFLIES. Fast grower to 2 to 3 ft. tall and wide. Full Sun.