small purple blooms of the salvia indigo spires
Photo: KENPEI- GNU
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Indigo Spires sage
Salvia 'Indigo Spires'

This perennial butterfly magnet can grow up to 5 feet tall and into clusters spanning 5 feet wide or more. They feature small blue-violet blooms along about a foot of its length and long, coarsely-toothed foliage. USDA Zones 7-11

TOH Tip: In the garden these may need regular pruning, as they tend to grow until they fall under their own weight. This habit, of course, makes them all the more appropriate for your cutting garden.
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