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Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
Other Names: Blue Colorado Spruce
needle-like leaves keep their eye-catching colour all season long
Penstemon digitalis 'Dark Towers'
Vaccinium 'Bushel and Berry Perpetua'
Delphinium 'Guardian Blue' knockout Other Names: Blue Colorado SpruceDelphinium 'Guardian Blue' PLANT TYPE: PERENNIAL SUN EXPOSURE: Full Sun BLOOM TIME: Summer AVERAGE SIZE: 36 48" x 18 24" (91 122cm x 46 61cm) COLD HARDINESS: 30F to 20F 34C 29C ( Zone 4) Very uniform habit has stronger stems than most and flowers faster. Low, mounding clumps of deep lobed foliage and spikes of double deep blue flowers make an exceptional specimen in any border. Blooms in summer. Attracts butterflies and hummingbirds.
