• Achillea (Yarrow)
• ‘The Pearl’
• ‘Coronation Gold’
• ‘Ortel’s Rose’
• ‘Paprika’
• ‘Peachy Seduction’
• ‘Pineapple Mango’
• ‘Summer Pastels’
• Adenophora Liliifolia
• Agastache (Hyssop)
• ‘Blue Fortune’
• ‘Blue Giant Hyssop’
• ‘Black Adder’
• ‘Tutti Frutti’
• Alcea Rosea (Hollyhock)
• Alchemilla (Lady’s Mantle)
• Alchemilla mollis syn. vulgaris
• Alchemills alpina (dwarf)
• Anemone hupehensis (Japanese Windflower)
• ‘Honorine Jobert’
• ‘Prince Henry’
• Aquilegia (Columbine)
• ‘McKana Hybrids’
• ‘Winky Series’
• ‘Yellow Queen’
• ‘Biedermeier’
• ‘Canadensis’
• ‘Lime Sorbet’
• ‘Blue Barlow’
• ‘Nora Barlow’
• Aruncus (Goat’s Beard)
• Aruncus aethusifolius ‘Noble Spirit’
• Aruncus diodecus
• Aster, perennial
• ‘Alert’
• ‘Monch’
• ‘Alma Potschke’
• ‘Harrington’s Pink’
• ‘Purple Dome’
• ‘Woods Blue’
• Astilbe
• ‘Visions in White’
• ‘Visions in Pink’
• ‘Rise and Shine’
• ‘Deutschland’
• ‘Fanal’
• ‘Elisabeth van Veen’
• ‘Sister Theresa’
• ‘Boogie Woogie’
• Brunnera
• ‘Jack Frost’
• ‘Variegata’
• ‘Mr. Morse’
• Campanula (Bellflower)
• ‘Clips’ (White/Blue)
• ‘Pearl Deep Blue’ (Improved ‘Clips”)
• ‘Samantha’
• ‘Birch Hybrid’
• ‘Canterbury Bells’
• ‘Sarastro’
• ‘Kent Belle’
• ‘Cherry Bells’
• ‘Joan Elliott’ (Clustered Bellflower)
• Centaurea montana
• ‘Amethyst in Snow’
• ‘Blue’
• ‘Alba’
• ‘Purple Heart’
• ‘Gold Bullion’
• Centaura macrocephala (Armenian Blanket Flower)
• Cinquefoil
• Clematis
• Chrysanthemum
• Convaflaria majatis
• Coreopsis
• Lanceleaf (common)
• ‘Moonbeam’
• ‘Golden Dream’
• ‘Jethro Tull’
• ‘Early Sunrise’
• ‘Zagreb’
• ‘Limerock Passion’
• ‘Sweet Dreams’
• Cranesbill (Hardy Geranium)
• ‘Johnson’s Blue’
• ‘Rozanne’
• ‘Brookside’
• ‘Jolly Bee’
• ‘Biokovo’
• ‘Ballerina’
• ‘Tiny Monster’
• ‘Purple Pillow’
• ‘Bloody Cranesbill’
• ‘Pencilled Geranium’
• Delphinium elatum
• ‘Black Knight’  Pacific Giant
• ‘Bluebird’  Pacific Giant
• ‘Galahad’ Pacific Giant
• ‘Blue Lace’  New Millennium
• ‘Royal Aspirations’ New Millennium
• ‘Green Twist’ New Millennium
• ‘Blushing Brides’ New Millennium
• ‘Olive Poppleton’
• ‘Magic Fountains’
• Delphinium grandiflorum
• ‘Blue Butterfly’
• ‘Summer Blues’
• Dianthus
• ‘Brilliant’ Maiden Pink
• ‘Arctic Fire’ Maiden Pink
• ‘Bath’s Pink’ Cheddar Pink
• ‘Firewitch’ Cheddar Pink
• ‘Tiny Rubies’ Cheddar Pink’
• ‘Mountain Mist’ Cheddar Pink
• spp var. Large Pink
• ‘Crimsonia’ Large Pink
• Sternbergii Fringed Pink
• ‘Desmond’ Allwood Modern Pinks
• ‘Cranberry Ice’ Whetman Dessert Series
• ‘Raspberry Ripple’  Whetman Dessert Series
• ‘Spangled Star’ Whetman Star Series
• ‘Fire Star’ Whetman Star Series

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• Dicentra
• ‘King of Hearts’ Fern-leaf Bleeding Heart
• ‘Ivory Hearts’ Fern-leaf Bleeding Heart
• ‘Alba’ Old Fashioned Bleeding Heart
• ‘Dolly Sods’ Fringed Bleeding Heart
• ‘Luxuriant’ Fern-leaf Bleeding Heart
• ‘Aurora’ Fern-leaf Bleeding Heart
• Echinacea
• E. purpurea Species Plant
• ‘Magnus’ Purple Coneflower
• ‘Fatal Attraction’ E. purpurea cultivar
• ‘White Swan’ E. purpurea cultivar
• Pixie Meadowbrite’ Hybrid Coneflower
• ‘All That Jazz’ Hybrid Coneflower
• ‘Firebird’  Hybrid Coneflower
• ‘Hot Papaya’ Double Hybrid
• ‘Summer Sky’ Big Sky Series
• ‘Sundown’ Big Sky Series
• ‘Sunrise’ Big Sky Series
• ‘Tomato Soup’  Hybrid Coneflower
• Fritillaria
• Gaillardia (Blanket Flower)
• ‘Oranges and Lemons’
• ‘Arizona Sun’
• ‘Bremen’
• ‘Burgundy’
• ‘Fanfare’
• ‘Goblin’
• ‘Sundance Bicolor’ Double Firewheel
• ‘Red Plume’  Double Firewheel
• ‘aristata’ Common Blanket Flower
• ‘pulchella’ Common Indian Blanket
• Gypsophilia
• Helleborus
• Hemerocallis
• Heuchera Coral Bells
• ‘Blackcurrant’ Dolce Hybrid
• ‘Creme Brulee’ Dolce Hybrid
• ‘Key Lime Pie’ Dolce Hybrid
• ‘Licorice’ Dolce Hybrid
• ‘Mocha Mint’ Dolce Hybrid
• Iberis
• Illium
• Lamium
• Lavandula
• ‘Hidcote’
• ‘Blue Cushion’
• ‘Munstead’
• ‘Grosso’
• ‘Rosea’
• Malva
• Monarda
• Nepata
• ‘Walker’s Low’
• ‘Blue Wonder’
• Papaver orientale
• Penstemon Beardtongue
• ‘Prairie Dusk’
• ‘Pensham Czar’
• ‘Dark Towers’
• ‘Husker Red’
• ‘Sweet Joanne’
• Peony
• Perovskia
• Phlox paniculata
• ‘Bright Eyes’
• ‘David’
• ‘Eva Callum’
• Phlox subulata
• ‘Candy Strip’
• ‘Emerald Blue’
• ‘Emerald Cushion Blue’
• Platycodon
• Pulmonaria (Lungwort)
• ‘Mrs. Moon’ saccharata
• ‘Reginald Kaye’ saccharata
• ‘Sissinghurst White’ saccharata
• ‘Trevi Fountain’  hybrid
• ‘Beth’s Blue’  ‘Beth’s Pink’  angustifolia
• ‘Bertram Anderson’ longifolia
• ‘Cotton Cool’  hybrid
• ‘Diana Clare’  hybrid
• ‘Opal’
• Rudbeckia hirta
• Rudbeckia hirta Black-eyed Susan
• ‘Autumn Colors’
• ‘Cherokee Sunset’
• ‘Chim Chiminee’
• ‘Denver Daisy’
• ‘Indian Summer’
• ‘Irish Eyes’
• ‘Maya’
• ‘Prairie Sun’
• ‘Tiger Eye’
• ‘Goldsturm’
• Scabiosa
• Sedum (Stonecrop)
• ‘Autumn Joy’
• ‘Black Jack’
• ‘Garnet Brocade’
• ‘Robustum’ Ruby Glow
• Salvia
• Speedwell
• Tiarella