Seeds from these wonderful Alcea rugosa Perennial Russian Hollyhock or Yellow Figleafed Hollyhock. This 5 to 6 foot herbaceous perennial hollyhock is hardy in zones 3 to 10. A fuller and more branching form than regular Hollyhocks and the shade of pale yellow flowers that continue to open throughout summer. A big plus is tha this one is rust and mildew resistant.