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GrassJun-JulBlue Fescue
Steel-blue tufted mound. Perfect edging or rock garden accent.
Z3-8
AnnualJun-SepBorage
Star-shaped electric blue flowers that bees go absolutely wild for. Self-sows freely.
Z2-11
PerennialJun-AugCampanula
Open, nodding bells in clear blue on tall graceful stems. Self-sows into refined cottage garden drifts.
Z3-8
PerennialMay-SepCat's Meow Catmint
Tidy, dome-shaped habit that never flops open. Stays compact without shearing.
Z3-9
PerennialMay-SepCatmint
Billowy lavender-blue haze that blooms all season if you shear it back.
Z3-10
VineMay-SepClematis
The queen of flowering vines. Over 300 species, something for every spot.
Z3-10
PerennialJun-JulDelphinium
Towering spires of true blue. The tallest, most dramatic back-of-border plant.
Z3-8
PerennialJul-AugGlobe Thistle
Perfectly spherical steel-blue globes on white stems that dry to perfection. Bees are absolutely obsessed.
Z3-9
AnnualJun-OctMorning Glory
Fast-climbing vine with trumpets that open fresh every morning.
Z3-10
PerennialJun-AugMountain Bluebell
Sky-blue bell flowers on tall arching stems along mountain streams. The showy western cousin of Virginia Bluebell.
Z3-7
PerennialJun-SepPickerelweed
Spikes of violet-blue flowers above glossy arrow-shaped leaves. Native pond and stream bank staple.
Z3-10
PerennialMay-JulRocky Mountain Columbine
Large blue-and-white spurred flowers bloom in late spring above lacy foliage.
Z3-8
PerennialMay-JulRocky Mountain Penstemon
Spikes of deep blue tubular flowers rise above glossy evergreen foliage in early summer.
Z3-8
PerennialMay-SepSalvia
Vertical flower spikes that hummingbirds and bees cannot resist.
Z3-10
PerennialMay-AugSpeedwell
Tidy spikes of blue that add vertical punch to the front of the border.
Z3-8
PerennialMay-SepWalker's Low Catmint
Perennial Plant of the Year. Billowy lavender-blue spikes that rebloom hard after a shear.
Z3-9