Perovskia atriplicifolia 'Crazy Blue'. Perennial Plant Association Plant of the Year (1995). Perovskia atriplicifolia plants. U.S. Plant Patent PP25,639 was issued on June 23, 2015. Contrasts well with both pink (e.g., phlox, mallow or roses) and yellow (e.g., rudbeckia) perennials.
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