Cimicifuga racemosa Black Cohosh Description Elegant, bottle brush-like white wands in mid-summer held high above the medium green foliage. Mixes well with the dark foliage of other bugbanes. If planted in full sun, it will do best with consistent moisture and lots of organic matter. Native. Sizes & Prices All Black Cohosh Characteristics Hardiness Zone: 3-9 Light requirements: Sun/Part Sun Height: 4-6' Native: Yes Sizes & Prices Size: 2 Yr $19.98 Other Information Black Cohosh Cimicifuga racemosa Zone: 3-9 Sun/Part Sun HT: 4-6' Black Cohosh Cimicifuga ramosa 'James Compton' Zone: 4-8 Part Shade HT: 36-42" Black Cohosh Cimicifuga ramosa 'Pink Spike' Zone: 4-8 Part Sun HT: 48-60"