Rudbeckia fulgida var. sullivantii (Sullivant's Coneflower) is a showy daisy-like perennial with branched stems and long-petioled, ovate…
Browsing: Zone 5b
These flowering plants are rated USDA Hardiness Zone 5b. They can tolerate cold down from −15 °F (−26.1 °C) to −10 °F (−23.3 °C).
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Alcea rosea 'Nigra' (Black Hollyhock) is a vigorous biennial or short-lived perennial with rounded shallowly-lobed leaves and deep…
Delphinium barbeyi (Subalpine Larkspur) is a long-lived perennial herb that grows up to 5 feet (1.5 m) tall. Leaves line the stem but…
Rudbeckia fulgida (Orange Coneflower) is a clump-forming perennial that grows up to 4 feet (1.2 m) tall, often forming colonies in the wild…
Rosa blanda (Smooth Rose) is a thornless or near thornless wild rose that occurs as a colony, forming a shrub that grows up to 3.3 feet…
Alcea rosea (Hollyhock) is a robust, biennial or short-lived perennial with rounded, shallowly-lobed leaves and long erect racemes of open…
Polygonatum biflorum (Smooth Solomon's Seal) is a rhizomatous upright and arching wildflower. It typically grows in a mound on unbranched…
Lilium 'Casa Blanca' (Oriental Lily) is a popular Oriental hybrid lily with pure white flowers with contrasting reddish-brown anthers…
Penstemon palmeri (Palmer's Penstemon) is an erect perennial plant that grows up to 6.6 feet (2 m) tall. Leaves are generally oppositely…
Erigeron glaucus (Seaside Daisy) is a perennial plant with branching, nodding stems that may be glandular and hairy to hairless. It grows…