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| African-lily, Agapanthus cultivars |
| Ageratum, hardy, Eupatorium coelestinum |
| Alkanet, Anchusa azurea |
| Anemone, Japanese, Anemone x hybrida |
| Artemisia, Artemisia absinthium |
| Aster, Aster spp. |
| Aster, stokes', Stokesia laevis |
| Astilbe, Astilbe x arendsii |
| Avens, Geum spp. |
| Baby's breath, Gypsophila paniculata |
| Balloon flower, Platycodon grandiflorus |
| Basket-of-gold, Aurinia saxatilis |
| Bear's breeches, Acanthus spinosus |
| Bearded tongue, Penstemon spp. |
| Bee-balm, Monarda didyma |
| Begonia, hardy, Begonia grandis |
| Bellflower, Campanula spp. |
| Bergenia, Bergenia cordifolia |
| Black-eyed Susan, Rudbeckia fulgida |
| Blackberry lily, Belamcanda chinensis |
| Blanket flower, Gaillardia x grandiflora |
| Bleeding heart, Dicentra spectabilis |
| Bleeding heart, fringed, Dicentra eximia |
| Blue poppy, Meconopsis betonicifolia |
| Blue star flower, Amsonia tabernaemontana |
| Blue wild indigo, Baptisia australis |
| Bluebeard, Caryopteris spp. |
| Butterfly weed, Asclepias tuberosa |
| Calla lily, Zantedeschia spp. |
| Candytuft, Iberis sempervirens |
| Canna lily, Canna x generalis |
| Cardinal flower, Lobelia cardinalis |
| Catmint, Nepeta spp. |
| Chrysanthemum, Chrysanthemum morifolium |
| Cinquefoil, Potentilla x hybrida |
| Columbine, Aquilegia canadensis |
| Coneflower, purple, Echinacea purpurea |
| Coral bells, Heuchera sanguinea |
| Coreopsis, lanceleaf, Coreopsis lanceolata |
| Coreopsis, threadleaf, Coreopsis verticillata |
| Cranesbill geranium, Geranium sanguineum |
| Crocosmia, Crocosmia x crocosmiiflora |
| Daisy fleabane, Erigeron spp. |
| Daisy, shasta, Chrysanthemum x superbum |
| Daylily, Hemerocallis spp., H. hybrids |
| Dead nettle, spotted, Lamium maculatum |
| Delphinium, Delphinium cultivars |
| English daisy, Bellis perennis |
| Everlasting pea, Lathrus latifolius |
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Images: ©Alice B. Russell and Erv Evans
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