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A hardy version of a garden classic, A. rugosa shows greater resistance to Hollyhock rust than the common A. rosea. Biennial or short-lived perennial native to Ukraine and the Caucasus, dead-heading promotes perennial growth but dried flower heads can be left for seasonal interest and they will re-seed. Tolerates a variety of soil conditions but requires a site with decent winter drainage -- Hollyhock can handle many things but wet feet all winter is not its preference!
Colony forming or great for mass planting. This plant can also tolerate sites below black walnut.
Mature size: 4-9 ft T x 2 ft W
Minimum temperature: -30°
Properties/conditions: