Blue/Blue-Gray/Blue-Green Plants
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Achillea x 'Moonshine'
The bright yellow flat flowers of 'Moonshine' Yarrow appear in mid to late summer above ferny silvery gray foliage. Salt and dry site tolerant, Achillea x 'Moonshine' is a Blooms of Bressingham® selection.
H: 24 Inches · S: 12 Inches · Zone: 3
Alchemilla mollis 'Thriller'
'Thriller' Lady's Mantle blooms in May and June, producing airy delicate chartreuse yellow flowers held above fuzzy bluish green leaves. 'Thriller' has somewhat larger pleated leaves than the species, and like all Alchemilla mollis, the hairy leaves repel rain water so that the foliage has attractive silver water drops on if after a gentle rain. 'Thriller' performs best in shady, moist conditions.
H: 18 Inches · S: 24 Inches · Zone: 3
Allium 'Medusa' PP28701
Light purple drumstick flowers appear above gray-green twisty strap-like leaves in late summer and early fall. Deer proof!
H: 22 Inches · S: 24 Inches · Zone: 4
Allium senescens 'Blue Eddy'
Pinkish lavender round flowers in August above blue gray swirly strap-like foliage. Resistant to deer, attractive to pollinators.
H: 12 Inches · S: 12 Inches · Zone: 4
Allium x 'Lavender Bubbles' PP31126
Deep purple drumstick flowers appear above blue green flat leaves in late summer. Hummingbirds and pollinators love it, deer don't.
H: 12 Inches · S: 20 Inches · Zone: 4
Allium x 'Pink Planet'
Large lilac pink globular flowers top glaucous flat leaves in mid summer. Good for pollinator gardens. Dried seedheads are attractive
H: 18 Inches · S: 24 Inches · Zone: 4
Andropogon glomeratus
Warm season grass with silvery pink, fluffy, brush-like inflorescences and following seedheads starting in September and persisting through much of winter into February or March. Strappy blue-green leaf blades turn a nice bronzy-orange in autumn and remain colorful into the winter. Showy seedheads are good for dried or fresh arrangements. Prefers moist to wet soil conditions. Tolerant of black walnut and air pollution.
H: 60 Inches · S: 30 Inches · Zone: 5
Andropogon ternarius 'Black Mountain'
Silver inflorescences on reddish stems in fall follow the blue green summer foliage. Very tolerant of poor soils and dry sites.
H: 36 Inches · S: 18 Inches · Zone: 6
Astilbe x 'Delft Lace' PP19839
'Delft Lace' Astilbe is a very beautiful newcomer to the Plume Flower scene, with dark pinkish salmon buds which open up to apricot pink delicate plumes, set off by contrasting red stems. The dissected foliage is also attractive, with a silvery overlay on the bluish green leaves. It blooms in June and makes an awesome show.
H: 12 Inches · S: 10 Inches · Zone: 5
Baptisia x Decadence® 'Blueberry Sundae' PP23891
Indigo blue flower spikes over blue green foliage in late spring and early summer. A somewhat more compact form.
H: 36 Inches · S: 30 Inches · Zone: 4
Baptisia x Decadence® 'Cherries Jubilee' PP23907
Maroon buds mature to maroon and yellow pea-shaped flowers on compact spikes over blue green leaves. Blooms late spring to mid summer, becoming more yellow as flowers age.
H: 36 Inches · S: 36 Inches · Zone: 4
Baptisia x Decadence® 'Lemon Meringue' PP24280
Decedence® 'Lemon Meringue' is a new introduction from Hans Hansen's extensive breeding program. The lemon yellow pea-shaped flowers are held on tall charcoal colored stems above bluish green foliage. A tough, long lived native perennial, Baptisia 'Lemon Meringue' is a colorful addition to the back of perennial borders as well as an excellent candidate for prairie gardens and dry meadows. Decadence® Lemon Meringue is drought tolerant, deer resistant and long blooming.
H: 46 Inches · S: 48 Inches · Zone: 4
Bouteloua curtipendula
Tan seedheads with pendant oat-like seeds are displayed over green blades in mid to late summer. Showy in mass and tolerant of dry sterile soils. Fall color is often attractive.
H: 30 Inches · S: 20 Inches · Zone: 3
Carex flacca 'Blue Zinger'
'Blue Zinger' Glaucous Sedge has beautiful grayish blue foliage that is similar in color to Festuca 'Elijah Blue', but 'Blue Zinger' is much more tolerant of different sites, going from shade to full sun. Carex flacca 'Blue Zinger' spreads rapidly to make a good tight groundcover.
H: 6 Inches · S: 18 Inches · Zone: 4
Carex laxiculmis Bunny Blue® PPAF
Bunny Blue® ('Hobb') Glaucous Woodland Sedge has steel blue evergreen foliage produced by a neat, easily divisible clump. Carex Blue Bunny® prefers a woodland location, but will tolerate sun if the moisture is good. Because of its bright color and neat habit, it looks particularly attractive when colonizing a shady site (both moist and dry). A selection by Bob and Lisa Head of GardenDebut.com.
H: 12 Inches · S: 12 Inches · Zone: 5
Caryopteris x clandonensis 'Dark Knight'
'Dark Knight' Bluebeard has deep blue-purple flowers in mid summer and grayish green aromatic foliage. It has consistently shown good disease resistance.
H: 3 Feet · S: 3 Feet · Zone: 5
Caryopteris x clandonensis 'Longwood Blue'
'Longwood Blue' Bluebeard has bluish violet flowers and grayish green aromatic foliage. 'Longwood Blue' blooms later than other Caryopteris, in mid to late summer. Dry site tolerant.
H: 4 Feet · S: 3 Feet · Zone: 5
Chamaecyparis nootkatensis 'Green Arrow'
Whimsically distinctive evergreen tree sporting an upright stature and open form with drooping, wizard’s-sleeve-like branches, perfect as a vertical accent to the specimen garden. North American native.
H: 25 Feet · S: 5 Feet · Zone: 4
Cotinus coggygria The Velvet Fog® PP32352
Lots of bright pink smoke-like flowers cover the blue green leaves in mid summer. Compact habit and good fall foliage color in shades of red, yellow and orange.
H: 8 Feet · S: 6 Feet · Zone: 4