Blooming Color by Season Examples of Perennials and Flowering Shrubs
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Blooming Color By Season by Laura Pottorff, Colorado State University Cooperative Extension commercial greenhouse agent, Adams County References: Cooperative Extension fact sheets, 7.418, Small Deciduous Trees, and 7.419, Large Deciduous Trees and Best Perennials for the Rocky Mountains and High Plains. Examples of Perennials and Flowering Shrubs for Colorado ** The exact bloom date will vary by site (elevation and exposure) and weather conditions Very short = 1” – 6” Short = 6 – 12” Medium =1’ – 3’ Tall = > 3’ Season Plant Color Size Type of Plant Spring Daffodill and Yellow and Very short Fall planted bulbs (March – narcissus white May) Crocus Lavender and Very short Fall planted bulbs purple Tulips Various Very Short Fall planted bulbs Grape hyacinth Purple Very short Fall planted bulbs Muscari spp. Forsythia Yellow Greater than 6 Flowering Shrub Forsythia x ft. intermedia Grow-low sumac Yellow Less than 4 ft. Flowering Shrub Rhus aromatica Pussywillow Gray Greater than Flowering Shrub Salix discolor 6ft Snow Drop White Short Herbaceous Anemone perennial Anemone sylvestris Lungwort, White, Blue, Short Herbaceous Pulmonaria Purple and perennial saccharata. Pink European pasque Red Short Herbaceous flower, perennial Pulsatilla vulgaris Moss phlox, Pink Very short Herbaceous Phlox subulata perennial Comb speedwell, Blue and Very short Herbaceous Veronica Purple perennial pectinata Wild sweet- Blue and Short Herbaceous William, Purple perennial Phlox divaricata ssp. laphamii Nannyberry White Less than 4 ft. Flowering Shrub viburnum, Viburnum lentago Flowering quince, Red 4- 6 ft. Flowering Shrub Chaenomeles speciosa Threeleaf sumac, Yellow 4 – 6 ft Flowering shrub Rhus trilobata Golden Currant Yellow 4 – 6 ft Flowering shrub Ribes aureum Serviceberry White > 6 ft Flowering shrub Amelanchier spp. Nanking cherry Pink – White > 6ft Flowering Shrub Prunus tomentosa Double flowering Pink > 6ft Flowering shrub plum Prunus triloba Sweet woodruff White Very short Herbaceous Gallium odoratum perennial Evergreen White Very Short Herbaceous Candytuft, perennial Iberis sempervirens Columbine, White, Pink Medium Herbaceous Aquilegia spp. perennial Jupiter’s beard, White, Red Medium Herbaceous Centranthus ruber perennial Bleeding heart, White, Pink Medium Herbaceous Dicentra perennial spectabilis Iris Various Medium Herbaceous perennial Marshall Yellow Very Short Herbaceous Chamomile, perennial Anthemis marschalliana Yellow ice plant, Yellow Very Short Herbaceous Delosperma perennial nubigenium Dwarf bird’s foot Yellow Very short Herbaceous trefoil, perennial Lotus corniculatus ‘Dwarf’ Dwarf basket of Yellow Short - Herbaceous gold, Aurinai Medium perennial saxitalis ‘Compacta’ Sun Rose, Yellow, Pink Short Herbaceous Helianthemum perennial spp. Yellow archangel, Yellow, Pink Short Herbaceous Lamium perennial galeobdolon Lupine, Red, Pink Medium Herbaceous Lupinus spp. perennial Pine leaf Red Medium Herbaceous penstemon, perennial Penstemon pinnifolius Sea thrift, Pink Very Short Herbaceous Armeria maritima perennial Cheddar pink, Pink Very short Herbaceous Dianthus ‘tiny perennial rubies’ Bloody cranesbill, Pink Medium Herbaceous Geranium perennial saquineum Columbine Pink Medium Herbaceous meadow rue, perennial Thalictrum aquilegiifollium Gas plant, Pink Tall Herbaceous Dictamnus albus perennial Bugleweed, Blue and Very Short Herbaceous Ajuga pyrimidalis Purple perennial Turkish veronica, Blue and Very Short Herbaceous Veronica Purple perennial liwanensis Speedwell, Blue and Short Herbaceous Veronica Purple perennial penduncularis Siberian bugloss, Blue and Medium Herbaceous Brunnera Purple perennial macrophylla Mountain bluet. Blue and Medium Herbaceous Centaurea Purple perennial montana Solitary clematis Blue and Medium Herbaceous Clematis Purple perennial intergrifolia Wild and Blue and Medium Herbaceous Perennial flax. Purple perennial Linum spp. Jacob’s Ladder, Blue and Medium Herbaceous Polemonium Purple perennial caeruleum Meadow Clary Blue and Medium Herbaceous Salvia pratensis Purple perennial Blue false indigo, Blue and Tall Herbaceous Baptisia australis Purple perennial Honey suckle, White Less than 4 ft Flowering Shrub Lonicera Cranberry Pink Less than 4 ft. Flowering Shrub Cotoneaster, Contoneaster apiculatus Nannyberry White Less than 4 ft. Flowering Shrub viburnum, Viburnum lentago Black White 4 – 6 ft. Flowering Shrub chokecherry ‘Isanti’ dogwood, White 4 – 6 ft Flowering Shrub Cornus sericea Mock orange, White 4 – 6 ft Flowering Shrub Phiadelphus coronarius Cistena plum Pink 4 – 6 ft Flowering shrub Prunus x cistena Dwarf flowering White - Pink 4 – 6 ft. Flowering shrub almond, Prunus glandulosa Golden Currant Yellow 4 – 6 ft Flowering shrub Ribes aureum Vanhoutte spirea White 4 – 6 ft Flowering Shrub Spirea vanhouttei Lilac, Lavendar – 4 – 6 ft Flowering Shrub Syringa spp. blue Weigela, Pink 4 – 6 ft Flowering Shrub Weiglea florida Siberian peashrub, Yellow > 6ft Flowering shrub Caragana arboescens Redtwig White > 6ft Flowering Shrub dogwood, Corunus sericea Beautybush, Pink > 6ft Flowering shrub Kolwitzia amabilis Ninebark, White >6 ft Flowering Shrub Physocarpus opulifolius Common White > 6ft Flowering shrub chokecherry Prunus virginiana Snowball White > 6ft Flowering Shrub viburnum, Viburnum opulus ‘Roseum’ Summer Sweet woodruff White Very short Herbaceous (June – July) Gallium odoratum perennial Evergreen White Very Short Herbaceous Candytuft, perennial Iberis sempervirens Black mondograss White Very short Herbaceous Ophiopgon perennial planiscapus Stonecrop White Very short Herbaceous Sedum nevii perennial Snow Drop White Short Herbaceous Anemone perennial Anemone sylvestris Carpathian White, blue Short Herbaceous harebell and purple perennial Campanula carpatica Snow in Summer White Short Herbaceous Cerastium perennial tomentosum Cottage pink White Short Herbaceous Dianthus perennial plumarious Small flowered White and Short Herbaceous alumroot pink perennial Heuchera micrantha Mexican evening White and Short Herbaceous primrose pink perennial Oenothera speciosa Knotweed White and Short Herbaceous Polygonum affine pink perennial Two row sedum, White, pink Short Herbaceous Sedum spurium and red perennial Sneezewort White Medium Herbaceous Achillea ptarmica perennial Columbine, White, pink, Medium Herbaceous Aquilegia spp. blue, purple, perennial yellow Jupiter’s Beard White and Medium - tall Herbaceous Centranthus ruber Red perennial Busch clematis White, blue, Medium Herbaceous Clematis recta purple perennial Bleeding heart White and Medium Herbaceous Dicentra Pink perennial spectabilis Coneflower White and Medium Herbaceous Echinacea purple perennial purpurea Meadowsweet White Medium Herbaceous Filipendula perennial vulgaris Shasta daisy White Medium Herbaceous Leucanthemum x perennial superbum Kansas gayfeather White Medium Herbaceous Liatris perennial pychnostachya Lily Various Medium Herbaceous Lilium spp. perennial Garden peony White and Medium – tall Herbaceous Paeonia spp. pink perennial Oriental poppy White and Medium – tall Herbaceous Papaver orientale orange perennial Beard-tongue White, red, Medium Herbaceous Penstemon spp. pink, blue and perennial purple Spike speedwell White, pink, Medium Herbaceous Veronica spicata blue and perennial purple Adam’s Needle White Medium – tall Herbaceous Yucca fliamentosa perennial Soapweed White Medium Herbaceous Yucca glauca perennial Whirling White Tall Herbaceous butterflies perennial Gaura lindheimeri Giant daisy White Tall Herbaceous Leucanthemella perennial serotina Garden phlox White, pink Tall Herbaceous Phlox paniculata perennial Culver’s Root White Tall Herbaceous Veronicastrum perennial virginicum Marshall Yellow and Very short Herbaceous chamomile orange perennial Anthemis marschalliana Yellow ice plant Yellow Very Short Herbaceous Delosperma perennial nubigenum Dwarf bird’s foot Yellow and Very Short Herbaceous trefoil orange perennial Lotus corniculatus Lychnis Yellow and Very Short Herbaceous Lycnhis organge perennial Moneywort Yellow and Very short Herbaceous Lysimachia orange perennial nummularia Lady’s mantle Yellow and Short – Herbaceous Alchemilla mollis orange Medium perennial Dwarf basket of Yellow and Short – Herbaceous gold orange Medium perennial Aurinia saxatilis Blanket flower Yellow, Short – Herbaceous Gaillardia x orange and red Medium – tall perennial grandiflora Sun rose Yellow, Short Herbaceous Helianthemum orange, and perennial pink Ozark sundrops Yellow and Short Herbaceous Oenothera orange perennial macrocarpa Aizoon stonecrop Yellow and Short Herbaceous Sedum aizoon orange perennial Kamschatka Yellow and Short Herbaceous stonecrop orange perennial Sedum kamtshcaticum Yarrow Yellow, Medium – Herbaceous Achillae spp. orange, pink Tall perennial and red Sunset hyssop Yellow Medium - Tall Herbaceous Agastache orange, and perennial rupestris pink Threadleaf Yellow and Medium tall Herbaceous coreopsis orange perennial Coreopsis verticillata Geum Yellow and Medium Herbaceous Geum chiloense orange perennial Day lily Yellow and Medium – tall Herbaceous Hemerocallis orange perennial Creeping St. Yellow and Medium Herbaceous Johnswort orange perennial Hypericum calycinum Red-hot poker Yellow and Medium – tall Herbaceous Kniphofia uvaria orange perennial Pineleaf Yellow and Medium Herbaceous penstemon red perennial Penstemon pinifolius Sulphur Yellow Medium Herbaceous cinquefoil perennial Potentilla recta Orange Yellow Medium Herbaceous coneflower perennial Rudbeckia ‘Goldstrum’ Lavendar cotton Yellow and Medium Herbaceous Santolina orange