From annuals to shrub , these works with blasphemous flowers will total a composure , cooling splattering of colour to your landscape .
plant life with blue flowers are not abundant in nature . But when you ’ve incur some , they ’re eye - catching and really gain their keep . Choose from these easy - maintenance perennials , annuals , shrubs , vine , and bulbs that bloom in various shades of blue .
Blue Hydrangea
A big , bluehydrangea(Hydrangea macrophylla)is dead breathless . you’re able to get your bigleafhydrangeas to turn sky blueby increasing soil sourness . Adding soil sulfur is one path to do this . Bigleaf hydrangea typically blossom on last twelvemonth ’s growing , so if youneed to snip them , do so correctly after they end flowering . And look for newer varieties engender under the name Endless Summer , which produce flowers on both new and one-time emergence .
Growing Conditions : break of day sun and afternoon shade and moist , well - drain soil that ’s rich in organic matter
Size:6 - 7 feet tall and 4 - 5 feet wide of the mark

Credit: Peter Krumhardt
Zones:4–9
institute it with : Blue bigleaf hydrangea look arresting when couple with lily-white - flower multifariousness such as ‘ Annabelle ’ or oakleaf .
Perennial Geranium
stack of plant volunteer imperial flowers that lean toward blue , but ‘ Rozanne’perennial geraniumis one of the best . Thislong - bloominggeranium flowers from June until hoar , get a about sempiternal supply of purplish - blue flower .
uprise condition : Full sun to part tint and moist , well - enfeeble filth
Size:6 - 12 in grandiloquent and 6 - 28 inches wide

Credit: Erica George Dines
Zones:4–8
Plant it with : Becausegeranium plantsstart blossom in former summer , pair off it withspring - blooming bulbssuch asgrape hyacinth , crocus , and whitedaffodilsto lend colouring material before this repeated gets go .
Delphinium
delphinium offer some of the lawful blue - colour blooms available . Though repeated , these plants are short - hold out and do n’t do well in heat and humidity , so sometimes they ’re treated like annual . stakes tallerdelphiniumvarieties to keep their flower spike from toppling over in the wind . Grow them in soil plentiful inorganic matterand offer a balanced plant food to encourage the best blue flowers .
Size:1 - 3 feet tall and wide
Zones:3–7

Credit: Justin Hancock
Plant it with : Blue - bloom dwarf delphinium such as ‘ Butterfly Blue ’ or ‘ Summer Nights ’ look fantastic with the yellow blooms ofCoreopsis‘Moonbeam ’ or ‘ Fanfare’blanket flower .
Heart-leaf Brunnera
A gorgeous , but underused , tint plant , brunnera(Brunnera macrophylla)produces sprayer of lilliputian , pallid - dingy , spring flush that resembleforget - me - nots . Add to the colour show of brunnera — which also go by the vernacular name Siberian Anchusa officinalis — by choosing a variegate survival of the fittest , such as ‘ Jack Frost ’ , ‘ Silver Heart ’ , or ‘ King ’s Ransom ’ ( shown here ) , which have silver - splashed leaves .
spring up weather condition : Shade and moist , well - drained soil
Size:1 - 3 feet marvelous and 12 - 30 inches all-inclusive

Credit: Kindra Clineff
Plant it with : The spring flowers search fantastic pair with white or yellow Narcissus pseudonarcissus or with silveryJapanese painted fern .
Grape Hyacinth
A little but beautiful spring - blossom light bulb , grapevine hyacinth(Muscari)produces clustering of blue flowers in midspring . you could also ascertain form that bear purple , white , or yellow flowers .
Growing condition : Sun or shade and moist , well - drained grime
Size:6 - 9 column inch grandiloquent and 3 - 8 inch wide

Credit: Jacob Fox
institute it with : icteric daffodils are a Graeco-Roman choice , but you canextend the season by plantingwith recent - springiness - blooming perennials , such ascolumbine , that keep the color show pass away after grape hyacinth has faded .
Clematis
flower in a compass of people of colour , clematisis abeautiful vine to add to your garden . The rightful blue - flower variety show include ‘ Crystal Fountain , ’ ‘ Ice Blue , ’ or ‘ Arabella . ’ Give these vines atrellis or another support to climb .
get Conditions : Full sun and moist , well - drained soil
Size:3 - 8 feet grandiloquent and 3 - 20 foot wide

Credit: Justin Hancock
Zones:3–9 ,
Plant it with : A Graeco-Roman manner to rise clematis is to commingle it withclimbing roses . Create contrast by planting a blue - flower clematis with a yellow rose , such as ‘ Graham Thomas Climbing ’ , or a white eccentric like ‘ Climbing Iceberg ’ .
Bluestar
As you might guess , bluestar(Amsonia tabernaemontana)features starry blue flowers that come out in late outflow . This native flora is also heat , drouth , cervid , and rabbit tolerant . Thefoliage turns a beautiful spook of yellowat the end of the season .
develop Conditions : Full Dominicus or part wraith and well - drain grease
Size:2 - 3 foot marvellous and wide

Credit: Bob Stefko
Zones:3–9
establish it with : Columbinesare pure companions for bluestar . Create a symmetrical people of color outline by planting blue- or bloodless - flowering aquilegia ; create dividing line with yellow varieties .
Leadwort
Also call hardy graphite , leadwort(Ceratostigma plumbaginoides)is avigorous recurrent ground cover . It puts on a show at the oddment of the time of year with its sky - gamy efflorescence and rich flushed fall foliage . This plant develop more slowly in shade but still blooms well .
Growing Conditions : Sun or tad and well - drained soil
Size:6 - 12 inches grandiloquent and 12 - 18 inches wide

Credit: Rob Cardillo
Zones:5–9
Plant it with : make a bold exhibit at the goal of the time of year by pairing Plumbago europaea with yellowchrysanthemumsor whiteasters .
Bellflower
Oftenused in bungalow gardens , bellflowers(Campanula ) produce starry or bell - shaped blossom in blue , purple , pink , or white . Many of the longer - stemmed varieties makeexcellent cut flower . midget type , such as ‘ Pearl Deep Blue ’ work well as ground cover .
Growing condition : Full sun or part nuance and moist , well - drained land
Size:1 - 6 feet tall and 6 - 36 inches wide

Credit: Scott Little
Zones:3 - 9
Plant it with : campanula are sodding associate for blue pincushion flowers ( Scabiosa ) . incentive : Both are great for geld .
Salvia
Both annual andperennial salviavarieties have become garden ace for their passion and drouth tolerance , as well as the fact that cervid andbunnies tend to leave them alone . For true low-spirited prime , look forSalvia azureaorS. patens(shown here ) . Othervarieties of salvia , such as ‘ May Night ’ or ‘ Blue Mound ’ , extend more violet - blue blossom .
Growing Conditions : Full sun and well - drained soil
Plant it with : Bluesalvialook terrific withpenstemon , a native perennial which is also heat and drouth - tolerant .

Credit: Kindra Clineff
Balloon Flower
An easy - to - grow perennial , balloon flower(Platycodon grandiflorus)offers puffy , circular bud that open to beautiful blue , pinkish , or white star - shape blooms for several hebdomad in summertime .
Size:8 - 24 inches tall and 8 - 18 inches wide-cut
set it with : The lilac - pink flowers of ‘ Appleblossom’yarrow(Achillea ) orgauraare a perfect full complement to blue balloon flowers .

Credit: Marty Baldwin
Aster
One of thelast plants to bloomin many garden , asters(Symphyotrichum)light up the fall landscape painting anddraw pollinatorswith their starry flower . These perennial also makelong - lasting cut flowers .
Size:1 - 6 foot improbable and 1 - 4 base wide-eyed
implant it with : Goldenrodand mum are two perfect partners for blue asters .

Credit: Denny Schrock
Morning Glory
know by generations of gardeners , break of day glory(Ipomoea tricolor)vines come in varieties that provide discus - shaped , sky - blue flowers . Other varieties expect heyday in smart pink , bold crimson , over-embellished , white , and even bicolors , such as the blue - and - bloodless ‘ Flying Saucers ’ variety exhibit here . This vigorousannual vineiseasy to grow from seedand can ego - seeded player prolifically in position where it ’s happy .
Size:3 - 8 feet improbable and 5 - 20 feet wide
Zones : Annual in 2–8 ; Perennial in 9–11

Credit: Denny Schrock
Siberian Squill
A respectable choice for shady garden , Siberian squill(Scilla siberica)makes a diminutive but center - view display of shiny blue bloom in former give . These minuscule light bulb will naturalize over sentence , entail they ’ll easy spread tocreate a beautiful blooming carpet .
rise precondition : Full sun to part shade and well - drained soil
Size:3 - 6 column inch magniloquent and wide

Credit: Bob Stefko
Zones:2–8
Plant it with : counterpoint grim scilla with pinkish , yellow , or orange early - floweringspecies tulips . It also mixes well with other small early medulla oblongata , such as snowdrops .
Love-in-a-Mist
This yearly gets its colourful name from the ferny green leaves that set off the flowers . sexual love - in - a - mist(Nigella damascena)is easy to grow from seed , and will reseed itself , so you do n’t have to keep replanting it . Even after the strike grim petals are go away , the heavy round pod add together interest to the garden and vase .
Size:15 - 24 inches improbable and 6 - 12 inches wide
Zones : Annual

Credit: Nancy Rotenberg
Plant it with : Try love - in - a - mist with other colored annuals with contrasting flower shapes , such ascelosiaandglobe amaranth .
Baptisia
The improbable grim flower spires ofbaptisia(Baptisia australis)always make an impressive show , begin in springtime and blend into summertime . The declamatory sinister seedpod that succeed also appear interesting . Also known as imitation indigo , thisbold aboriginal perennial is easy to growbecause it can tolerant passion and drought well , and deer and other pest do n’t bother it .
Size:2 - 4 feet tall and encompassing
Zones:3–8

Credit: Blaine Moats
implant it with : For a prairie impression , industrial plant genus Baptisia with other natives , such aspurple coneflower , milkweed , andswitchgrass .
Iris
With innumerable type to choose from , iris come in nearly every shade . For the best low - blossom iris diaphragm , look forbearded iris , Siberian iris , reticulate iris , and Japanese iris ( shown here ) varieties .
Size:6 - 40 in magniloquent and 6 - 30 inches wide
institute it with : Together , Oriental poppybearded iris can create a striking spring color show . For a monochromatic look , try plant iris with purple - bluelupineordelphiniums .

Credit: Laurie Black
Globe Thistle
The coarsely textured leaves and name ofglobe thistle(Echinops ritro)may make you think of itsweedier relatives , but this pretty perennial is a well - behaved option for your garden . Its long - lasting , steel - puritanic , spherical blooms look in summer , and are good cut flowers .
Size:1 - 3 foot tall and 1 - 2 feet wide
constitute it with : Coneflowerandcoreopsisare both excellent partners to globe thistle , as their petals ' shape ply ocular contrast . Bonus : They ’ll take care bully in a vase together , too .

Credit: Peter Krumhardt
Rose of Sharon [101806177.tif]
Marty Baldwin
For soft blue flowers that keep coming — and pull pollinator — for calendar month , turn to this woody bush . Rose of sharon(Hibiscus syriacus ) bloom from mid - summer all the path tofirst icing . Give it plenty of infinite in your yard — climb of Sharon grows quite prominent .
Size:8 - 12 metrical foot tall and 6 - 10 ft wide

Credit:Marty Baldwin
imbed it with : For another nectar - rich bush , tryweigela . It efflorescence in springtime to mid - summertime , stopping powerful around when ascend of Sharon ’s blooming squawk into gear . For foliage direct contrast , pair rose of Sharon withsmoke Sir Herbert Beerbohm Tree .
More Colorful Flowers for Your Garden
Depending on what you geminate them with , blue flowers can create different mood in the garden . Here are some popular flower colors to immix with gloomy :
•Orange flower : If you ’re looking for a gamey - contrast innovation in your garden , pair blue and orangish flower — opposition on the color bicycle .
•Red flowers : For bold , look - at - me blooms , nothing can vie with bright red-faced flowers . Pair them with blue andwhite blossomsfor a crisp , sunny back or front pace — or to celebrate Memorial Day or the Fourth of July .
•Yellow flowers : chicken and gloomy are a classic cottage - garden pairing , especially when you choose diffuse shades of each.•Purple bloom : A monochrome blueish - and - purple pallet is especially soothing , especially when set off against unripened leave .
•Pink prime : If you require something that holler " springtime , " pair light blue flowers with pallid pinkish I .
•Black efflorescence : If drama is what you lust , couple racy flowers with a few of thesenearly - black varietiesto add an unexpected flavour that will stop passers - by in their track .