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'Beyond Midnight' was selected for strikingly deep dark blue flowers that twinkle on the sturdy compact shrub that needs surprisingly little water once established. Beloved by bees, butterflies, and other pollinators. Appreciates good drainage. Wait until spring to cut old growth back to newly emerging foliage.
Mature size: 2 - 2.5 ft T & W
Minimum temperature: -20° F
Properties/conditions: