Paeonia brownii (Brown's Peony) is a herbaceous perennial with dark maroon flowers. It grows up to 20 inches (50 cm) tall. Each pinkish…
Browsing: Zone 4b
These flowering plants are rated USDA Hardiness Zone 4b. They can tolerate cold down from −25 °F (−31.7 °C) to −20 °F (−28.9 °C).
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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 …
Rudbeckia fulgida var. sullivantii (Sullivant's Coneflower) is a showy daisy-like perennial with branched stems and long-petioled, ovate …
Alcea rosea 'Nigra' (Black Hollyhock) is a vigorous biennial or short-lived perennial with rounded shallowly-lobed leaves and deep …
Rudbeckia fulgida (Orange Coneflower) is a clump-forming perennial that grows up to 4 feet (1.2 m) tall, often forming colonies in the …