Campanula Superba (Clustered Bellflower) Perennials, Wet site tolerant Height: Medium (Plant apart) Bloom Time: Late Spring to Summer Full Sun to Half Sun/ Half Shade Zones: Soil Condition: Normal, Clay -
Butterfly Bush - Flutterby Grande 'Blueberry Cobbler' – Blue flowers with prominent orange eyes in cone-shape clusters. Grows X
A Plant to Love, Butterfly ‘Rainbow Marcella’ Coneflower
year bloomer: Flowering perennial - Echinacea: PowWow White, PowWow Wild Berry, Cheyenne Spirit and Prairie Splendor Purple - most do take 2 years to bloom . here: PowWow Wild Berry coneflower (Photo from Stokes Seeds)
Секреты выращивания клематисов
26 Best Perennial Varieties for Your Garden
Top 20 Perennials for Your Garden: Peonies - Better Homes and Gardens
Successful Plants for Oklahoma Landscapes
The Best Perennials for Your Yard: 'Magnus' Purple Cone flower - a must have for the garden, cone flower is a drought tolerant native prairie plant that attracts butterflies and other beneficial insects. I just love the look of this flower.
blanket flower - Google Search
Kalmia Latifolia 'Elf" is a dwarf evergreen shrub with white bell-shaped flowers that brighten a shady area.
Verbena bonariensis 'This outstanding annual or perennial deserves its popularity. It makes an architectural statement with slender, willowy stems that stand up to 6 feet tall and do not need staking'.from Fine Gardening
10 Great Plants for Shade Gardening
The Drumstick Primula (Primula denticulata) requires shade and moist soil. Colors range from white through lilac, pink and deep red.