Introduced by Germany's Jelitto Seeds in 2010, this seductive cultivar is the prized outcome of a diligent nearly 20 year-long breeding program, the Spotlight Hollyhock series, that touts superior A. rosea selections. 'Blacknight's tall truly perennial visage swaggers multiple hefty stalks with large single satiny blossoms in dark violet to saturated ebony shades, entrancing butterflies, hummingbirds and gardeners alike. Well-drained soil, yearly applications of compost and late season cut backs guarantee a pleasing vigorous habit plus bountiful long blooming flowers.
Size: 5' 0" – 6' 0" high x 4' 0" wide.
Hardy to zone 3.