‘Blackberry Jam’ is a clump-forming, mounded, semi-evergreen to evergreen perennial with rounded, lobed, silvery, dark purple and maroon leaves with darker veins and slender, wiry, dark purple stems bearing open panicles of small, cream flowers from late spring into summer. Remove faded flower spikes. Cut back any dead or untidy foliage in spring Full Shade Partial Shade Full Sun Evergreen Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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