New, Blue Perennials
KIRIGAMI™ Deep Blue & White ColumbineThese tubular blooms are remarkable. KIRIGAMI™ grows upright and has upward-facing flowers. A pollinator and hummingbird magnet. Great for cut flowers. Zone 4. |
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Blue FlaxThis reminds me of the sparkling flax fields on our Dakota prairie. Airy, vase-shaped plants create movement in the garden. Blooms all summer. Zones 3, 4. |
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‘Stand by Me’ Bush ClematisEmerges from the ground every spring and grows into a clump, not a climbing vine. Bright, bell-shaped blooms become cream-colored seedheads. Zones 3, 4. |
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‘Starstruck’ AmsoniaClusters of sparkling blue, star-shaped flowers appear in late spring. Bright green, attractive foliage in summer. Easy to grow, low maintenance. Zone 4. |
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‘Azure Snow’ SalviaViolet blue and white bicolor flowers with attractive dark green foliage. Full, compact clumps. Bees love it; rabbits and deer do not. Zones 3, 4. |
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‘Waterslide’ HostaSilvery blue, rippled leaves look like water splashing in the garden. Its leaves are heavy and less attractive to slugs. Lavender blooms. Zones 3, 4. |
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‘Blue Bubbly’ BaptisiaLong spikes of lavender-blue flowers. Baptisia are long-lived and tolerate drought. Use the 4-foot plants as specimens or in backgrounds. Zone 4. |
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‘Denim ‘n Lace’ PerovskiaPopular for its prolific display of lacy, sky-blue flowers. The outer whorl of each flower is amethyst, extending the display of colors all summer. Zone 4. |
Written by Tom Kalb, Extension Horticulturist, North Dakota State University. Photos were made available by Walters Gardens, Inc.
Sources: Proven Winners, Top 10 Blue Perennials for Dreamy Gardens and Walters Gardens, Inc.