- Achillea – Yarrow
- Alchemilla mollis – Lady’s Mantle
- Aster – Purple Dome
- Buddleia – Butterfly bush, all varieties and colors are equally long blooming
- Coreopsis – Moonbeam and Zagreb
- Corydalis lutea – Yellow varieties
- Hemerocallis – Daylily, Stella d’Oro, Purple d’Oro, any variety that states reblooms
- Dicentra exima – Bleeding Heart
- Echinacea purpurea – Coneflowers, all colors
- Eryngium – Sea Holly
- Hardy Geranium – sanguineum Rozanne
- Heliopsis helianthoides – False Sun Flower
- Hibisucs moscheutos – Hardy Hibiscus
- Lavendula – Lavender require full sun, Hidcote and Munstead
- Leucanthemum – Shasta Daisy
- Nepeta x faassenii – Catmint, Walkers Low
- Perovskia – Russian Sage
- Phlox paniculata – Garden Phlox
- Rudbeckia fulgida – Goldstrum, Goldilocks and Indian Summer
- Salvia x superba – May Night
- Scabiosa – Pincushion Flower, Butterfly Blue and Pink Mist
- Sedum – Autumn Joy
- Tradescantia – Spiderwort
- Veronica – Speedwell, Sunny Border Blue
