Summer flowering perennials

Calibrachoa 'Million Bells Trailing Blue'

Trailing petunia

Calibrachoa 'Million Bells Trailing Fuchsia'

Trailing petunia

Calibrachoa 'Million Bells Trailing Soft Pink'

Trailing petunia

Calibrachoa 'Million Bells Trailing White'

Trailing petunia

Calibrachoa 'Minifamous Lavender'

Trailing petunia

Calibrachoa 'Superbells Candy White'

Trailing petunia

Calibrachoa 'Trailing Lavender Veins'

Trailing petunia

Calibrachoa Million Bells Trailing Pink = 'Sunbelkupi'

Trailing petunia

Callitriche palustris

Common water starwort, Water chickweed, Water starwort

Campanula 'Spring Bell® White'

Fairy thimbles, Dwarf bellflower

Campanula carpatica f. alba 'Snowsprite'

Carpathian Tussock bellflower, Carpathian harebell

Campanula cochleariifolia 'Bells Blue'

Fairy thimbles

Campanula garganica 'Hirsuta'

Adriatic bellflower, Dalmation bellflower, Gargano bellflower

Campanula glomerata 'Bellefleur Blue'

Clustered bellflower, Danesblood bellflower

Campanula longestyla 'Isabella Blue'

Long-styled bellflower

Campanula persicifolia 'La Bonne Amie'

Willow bellflower, Peach bells, Peach leaf bellflower

Campanula punctata

Spotted bellflower

Campanula rotundifolia 'Olympica'

Harebell, Bluebell, English harebell, Scottish bluebell

Campanula sarmatica

South Russian bell flower, Polish bellflower

Campanula wanneri

Ring bellflower, Wanner's ring bellflower

Campanula x pulloides 'G.F.Wilson'

Black hybrid bellflower

Canna 'Brilliant'

Canna lily

Canna 'Lenape'

Canna lily

Catananche caerulea 'Major'

Cupid's dart

Centaurea montana 'Joyce'

Mountain knapweed, Perennial cornflower, Mountain bluet, Perennial bachelor's buttons

Cerastium tomentosum var. columnae

Dusty miller, Snow in summer

Cerinthe major

Honeywort

Chaenorhinum origanifolium

Dwarf snapdragon

Chamaemelum nobile 'Treneague'

Lawn chamomile

Chelone lyonii

Lyon's turtlehead, Pink turtlehead, Red turtlehead, Shell flower

Chrysanthemum segetum

Corn marigold

Chrysogonum virginianum

Golden knee, Golden star, Green and gold

Cirsium 'Mount Etna'

Ornamental thistle

Clematis 'Lady Bird Johnson'

Virgin's bower

Clematis addisonii

Addison's clematis

Clematis delavayi

Delavay's clematis, Tube clematis, Herbaceous clematis

Clematis delavayi

Tube clematis, Herbaceous clematis

Clematis stans

Von Siebold's clematis

Clematis x bonstedtii 'Campanile'

Bonstedtia hybrid clematis

Convolvulus sabatius - dark-flowered

Ground morning glory, Trailing morning glory

Coreopsis 'Astolat'

Large flowered tickseed, Lance coreopsis

Coreopsis grandiflora 'Sun Up'

Large flowered tickseed, Lance coreopsis

Coreopsis lanceolata 'Goldfink'

Lance leaf tickseed, Tickseed

Coreopsis lanceolata 'Walter'

Lance leaf tickseed, Tickseed

Cortusa matthioli

Alpine bells

Cosmos sulphureus 'Cosmic Orange'

Mexican Aster, Tall Cosmos

Crocosmia 'Prince of Orange'

Golden montbretia

Crocosmia x crocosmiiflora 'Jackanapes'

Hybrid crocosmia