Lewisia cotyledon (Siskiyou Lewisia) is an evergreen perennial that grows from a thick taproot and caudex unit. It produces a basal …
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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Rudbeckia fulgida var. deamii (Deam's Coneflower) is a clump-forming herbaceous perennial that grows up to 2 feet (60 cm) tall. Stems are …
Tropaeolum majus (Garden Nasturtium) is an annual climber that will scramble over the ground or up support. The stems grow up to 6 feet …
Paeonia brownii (Brown's Peony) is a herbaceous perennial with dark maroon flowers. It grows up to 20 inches (50 cm) tall. Each pinkish…
Veronica serpyllifolia (Thyme-leaved Speedwell) is a perennial flowering plant that grows up to 12 inches (30 cm) tall. Leaves are …
Rudbeckia fulgida var. sullivantii 'Goldsturm' (Golden Coneflower) is one of the best known and loved late-flowering perennials, bearing a …
Tulipa sprengeri (Sprenger Tulip) is a bulbous perennial with bright green leaves and solitary goblet-shaped bright red flowers. The stem…
Taraxacum aphrogenes is a perennial lactiferous rosulate herb that grows up to 5 inches (12.5 cm) tall. Leaves are arranged in a rosette …
Symphytum bulbosum is a flowering plant that grows up to 20 inches (50 cm) tall from small tubers or rhizomes in wet, swampy places …
Solidago altissima (Tall Goldenrod) is a perennial wildflower with fine hairs on the stem and leaves located along the stem. It grows up …