Some of the early stars in these borders are the tall, true blue spires of baptisia australis, the wild blue indigo, with its lovely blue-green, pea-like foliage, and big stands of mountain bluet (centaurea montana), the perennial form of bachelor’s button, with that wonderful thistle-y, deep blue flower. Another blue girl not to ignore is veronica incania (wooly speedwell) with its white, wooly stems and 6’ spikes of an enchanting porcelain blue. Also, the native columbines (aquilegia canadensis), members of the Buttercup family, with their dainty blue, white or purple spurred blossoms borne high on upright spikes, and the lavender-violet clouds and tall, airy foliage of thalictrum rochebrunianum (lavender mist), a native of Japan and a real star for the back of the border.
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The front of the border is currently being brightened by cerastium tomentosum (snow-in-summer) with its gray foliage and pretty, spreading carpet of dianthus-like white blossoms, and several varieties of hearty geranium and cranesbill, with their attractive, deeply-cut leaf clumps and pink-to-white blossoms. All of this is punctuated with the occasional exclamation point of a grouping of giant white allium Mount Everest. Very nice indeed from my office window.