The bloom times listed below indicate the time period in which these perennials may bloom depending on your geographical location; they may not bloom for the entire time indicated below.
Plant Names |
Bloom
Time Starts - - Ends |
Bloom Color |
Fall Foliage Color |
|
Achillea millefolium -
Yarrow |
May |
Sept |
White |
Pinky Orange |
Allium cernuum - Nodding
Onion |
June |
July |
White to
Pink |
Yellow |
Allium schoenoprasum -
Wild Chives |
May |
August |
Rosy Violet |
|
Androsace chamaejasme -
Alpine Rock Jasmine |
June |
Aug |
White w/yellow eye |
|
Anemone canadensis -
Canada Anemone |
May |
Aug |
White |
|
Anemone cylindrica -
Long-headed Anemone |
May |
July |
White |
|
Anemone multifida -
Cut-Leaved Anemone |
May |
Aug |
Pink or
White |
|
Antennaria alpina - Alpine
Pussytoes |
June |
July |
White |
|
Antennaria pulcherrima -
Showy Pussytoes |
May |
Aug |
Whitish |
|
Antennaria rosea - Rosy
Pussytoes |
May |
Aug |
Pink |
|
Aquilegia brevista - Blue
Columbine |
June |
Aug |
Blue
w/ yellow center |
|
Aquilegia flavescens -
Yellow Columbine |
June |
Aug |
Yellow |
|
Aquilegia formosa - Red
Columbine |
June |
Aug |
Red with yellow eye |
|
Argentina anserina -
Silverweed |
May |
Aug |
Yellow |
Orange/yellow |
Arnica cordifolia -
Heart-Leaved Arnica |
June |
Aug |
Yellow |
|
Arnica mollis - Hairy
Arnica |
June |
August |
Yellow |
|
Artemisia canadensis -
Northern Wormwood |
July |
Sept |
Yellowish
White |
|
Artemisia frigida -
Prairie Sagewort |
July |
Sept |
Yellowish |
Yellow Pink Hue |
Aster conspicuus - Showy Aster |
July |
Oct |
Blue/Purple |
|
Aster ericoides - Tufted
White Prairie Aster |
July |
Sept |
White
to Soft Pink |
|
Aster laevis - Smooth
Aster |
July |
Sept |
Purple/Blue
w/yellow eye |
Purple |
Aster sibiricus - Arctic
Aster |
July |
August |
Purple
w/yellow eye |
|
Aster species - White
Aster |
August |
October |
White |
|
Bouteloua gracilis - Blue
Grama Grass |
July |
August |
Purplish |
|
Campanula rotundifolia -
Harebell |
June |
Sept |
Blue - Bright |
Yellow Pink |
Castilleja rhexiifolia -
Alpine Paintbrush |
June |
Aug |
Bright
Red to Scalet |
|
Castilleja miniata -
Indian Paintbrush |
June |
Aug |
Varies |
|
Clematis occidentalis -
Blue Clematis |
May |
July |
Blue |
Red |
Cornus canadensis -
Bunchberry |
May |
Aug |
White |
Deep Red/Purple |
Delphinium glaucum - Tall
Larkspur |
July |
Aug |
Blue/Purple
deep |
Yellow |
Dodecatheon pulchellum -
Shooting Star |
May |
Aug |
Pink w/yellow eye |
|
Dryas drummondii -
Mountain Avens |
June |
July |
Yellow |
Red & Yellow |
Erigeron caespitosus -
Tufted Fleabane |
July |
Aug |
White |
|
Erigeron compositus -
Cut-Leaved Fleabane |
June |
August |
Soft Pink to White |
Yellow |
Erigeron glabellus -
Smooth Fleabane |
June |
July |
Pink
with yellow eye |
|
Erigeron grandiflorus -
Fleabane Large Flowered |
July |
Aug |
Pink/purple |
|
Erigeron philadelphicus -
Philadelphia Fleabane |
June |
July |
Purple |
|
Erigeron speciosus - Showy
Fleabane |
June |
July |
Pink/Blue |
|
Fragaria virginiana - Wild
Strawberry |
May |
Aug |
White |
Red |
Gallardia aristata -
Brown-eyed Susan |
June |
Aug |
Yellow
with orangy eye |
Red Tips |
Galium boreale - Northern
Bedstraw |
June |
Aug |
White |
Red & Yellow |
Gentiana affinis - Pleated
Gentian |
Aug |
Sept |
Brilliant Blue |
|
Geranium richardsonii -
White Geranium |
May |
Sept |
White
to pale Pink |
Florescent
Red |
Geranium viscosissimum -
Sticky Geranium |
May |
Sept |
Pink to
Magenta |
Orange Red |
Geum aleppicum - Yellow
Avens |
June |
July |
Yellow |
Deep Red/Purple |
Geum rivale - Water Avens |
May |
July |
Burgundy with yellow |
Red |
Geum triflorum - Three
Flowered Avens |
May |
July |
Burgundy |
Red Tips |
Helianthus laetiflorus -
Beautiful Sunflower |
July |
Sept |
Yellow |
|
Heterotheca villosa -
Hairy False Golden Aster |
July |
Sept |
Yellow |
Yellow |
Heuchera cylindrica -
Round-Leaved Alumroot |
May |
Aug |
Pinky green |
Red |
Heuchera richardsonii -
Richardson's Alumroot |
July |
Sept |
Pale Yellow |
|
Hierochloe odorata - Sweet
Grass |
May |
July |
Purplish |
Yellow |
Iliamna rivularis -
Mountain Hollyhock |
July |
Sept |
Rosy
purple to White |
|
Iris missouriensis - Blue
Flag Iris |
May |
June |
Blue |
|
Liatris ligulistylis -
Meadow Blazing Star |
July |
Aug |
Bright
Magenta Pink |
|
Liatris punctata - Blazing
Star |
Aug |
Sept |
Pinkish Purple |
|
Lilium philadelphicum -
Wood Lily |
June |
July |
Orange |
|
Linum lewisii - Blue Flax |
May |
Aug |
Blue |
Pinky Hue |
Linum rigidum - Yellow
Flax |
May |
Aug |
Yellow |
|
Lonicera dioica - Twinning
Honeysuckle |
June |
July |
Yellow
to Orange |
Yellow Pink |
Lupinus argenteus -
Silvery Lupine |
May |
July |
Blue/purple |
|
Maianthemum racemosum -
False Solomon's Seal |
May |
July |
White |
Yellow |
Mertensia paniculata -
Tall Bluebells |
May |
July |
Blue with
pink |
Purple Red Yellow |
Mitella nuda - Mitrewort |
May |
June |
White
with Brown/red |
|
Monarda fistulosa - Wild
Bergamot |
June |
Sept |
Pink/purple |
Pink |
Opuntia polyacantha -
Prickly Pear Cactus |
June |
July |
Yellow |
|
Oxytropis monticola -
Mountain Locoweed |
June |
Aug |
Creamy
white |
|
Oxytropis sericea - Silky
Locoweed |
May |
July |
Creamy
yellow |
|
Oxytropis splendens -
Showy Locoweed |
June |
Aug |
Pink/Purple
intense |
Red Tips |
Penstemon albertinus -
Alberta Penstemon |
June |
July |
Brigh Blue |
|
Penstemon confertus -
Yellow Penstemon |
June |
July |
Yellow,
with pink blush |
|
Penstemon fruticosus -
Shrubby Beardtongue |
July |
Aug |
Blue
lavender |
|
Penstemon nitidus - Smooth
Blue Beardtongue |
June |
July |
Blue w/Pink throats |
Red Tips |
Penstemon procerus -
Slender Penstemon |
June |
Aug |
Bluish
Purple |
|
Phacelia sericea - Silky
Scorpion Weed |
May |
Aug |
Purple
with Yellow |
|
Polemonium acutiflorum -
Tall Jacobs Ladder |
June |
Aug |
Purlple
or White |
|
Polemonium pulcherrima -
Showy Jacobs Ladder |
June |
Aug |
Purple
with yellow |
|
Potentilla arguta - White
Cinquefoil |
July |
Aug |
White
& Yellow |
|
Potentilla diversifolia -
Blue Leaved Cinquefoil |
June |
Aug |
Yellow |
Orangy Yellow |
Potentilla gracilis -
Graceful Cinquefoil |
June |
July |
Yellow |
Orangy Yellow |
Pulsatilla patens -
Prairie Crocus |
March |
April |
Purple,
pale |
|
Ratibida columnifera -
Yellow Coneflower |
July |
Sept |
Yellow
with black eye |
|
Rudbeckia hirta - Black
Eyed Susan |
June |
Aug |
Yellow
with black eye |
Yellow / Purple |
Saxifrage bronchialis -
Spotted Saxifrage |
June |
Aug |
White
with Red Spots |
|
Sedum lanceolatum -
Lance-leaved Stonecrop |
June |
Aug |
Yellow |
|
Senecio canus - Wooly
groundsel |
July |
Aug |
Yellow |
|
Sisyrinchium montanum -
Blue Eyed Grass |
April |
July |
Blue
with yellow eye |
Yellow / Purple |
Solidago canadensis -
Canada Golden Rod |
July |
October |
Golden
Yellow |
Red |
Solidago simplex - Spike
Golden Rod |
June |
Aug |
Yellow |
|
Stenanthium occidentale -
Bronze Bells |
June |
Aug |
Bronzy
green |
|
Stipa comata - Needle
& Thread Grass |
May |
July |
Pale green to yellow |
|
Streptopus amplexifolius -
Twisted Stock |
June |
Aug |
Yellow,
pale creamy |
Yellow Pink |
Thalictrum fendleri -
Fendler's Meadow Rue |
May |
Aug |
Purple/Pink
with Yellow |
Yellow Pink |
Thermopsis rhombifolia -
Golden/Buffalo Beans |
May |
June |
Bright
Yellow |
|
Viola adunca - Early Blue
Violet |
May |
July |
Blue
to Deep Violet |
|
Viola canadensis - Canada
Violet |
May |
July |
White
with purple viens |
Yellow |
Viola orbiculata - Round
Leaved Yellow Violet |
May |
Aug |
Yellow
with purple veins |
|
Zigadenus elegans - Camas |
June |
Aug |
White
w/lime green |
|
Zizia aptera -
Heart-Leaved Alexanders |
May |
Aug |
Bright Yellow |
Red |
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