Magnolia grandiflora ‘Bracken’s Brown Beauty’ Bracken’s Brown Beauty Magnolia Known to be one of the most cold hardy Magnolias, Bracken’s Brown Beauty is a compact, upright pyrami- dal magnolia. This fast growing magnolia has small, dense leaves with dark green tops and rusty brown un- dersides. The maturity of Bracken’s Brown Beauty is 30-50’ tall by 30-50’ wide. Zones 6-9.