Achillea (Yarrow)
Agastache (Ansie Hyssop)
Artemesia (Sea Thrift)
Asclepias tuberosa (Butterfly Weed)
Baptisa (False Indigo)
Calamintha ::
Coreopsis (Threadleaf Tickseed)
Echinachea (Coneflower) :: Flowers summer to fall
Echinops (Sea Holly)
Euphorbia (Cushion Spurge)
Gaillardia (Blanket Flower)
Helleborus (Lenton Rose) :: Flowers late winter to early spring
Hemerocallis (Daylily) :: Flowers spring to summer
Iberis (Candytuft) :: Flowers in early spring
Lavandula (Lavender) :: Flowers in summer
Lirope (Creeping Lily Turf/Monkey Grass)
Nepeta (Catmint) :: Flowers spring to fall
Paeonia (Peony) :: Flowers in spring
Penstemon (Beardtongue)
Perovskia (Russian Sage) :: Flowers in summer
Salvia (Meadow Sage) :: Flowers spring to summer
Sedum (Stonecrop) :: Flowers summer to fall (some varieties flower earlier)
Sempervivum (Hens & Chicks)
Stachys (Lamb's Ear)
Stokesia (Stoke's Aster) :: Flowers mid summer to fall
Vinca (Mrytle)
Yucca (Yucca) :: Flowers in summer

While we strive for complete and correct information, not all plants grow true to their form and can not be guaranteed to grow as described.