Marathon Bloomers Perennial Garden Plan Plant List A. 3 Daylily (Hemerocallis spp.), Zones 3-10 B. 5 Veronica, Zones 3-8 C. 3 Artemisia, Zones 7-9 or annual D. 3 Agastache, Zones 6-10 or annual E. 3 Yarrow (Achillea spp.), Zones 3-9 F. 5 Potentilla, Zones 3-7 G. 5 Crocosmia, Zones 6-9 or annual
Plant a Nonstop Flower Show For all-season color, interplant annual flowers with reblooming varieties of perennials. The annuals will keep the garden colorful while the perennials come in and out of bloom. In this walkway border, annuals such as marigold, calendula, and zinnia are teamed with perennial coreopsis and daylily.