Tulipa orphanidea is a bulbous perennial with a glabrous or hairy stem that grows up to 8 inches (20 cm) tall. Leaves (which vary from 2 …
Browsing: Zone 4a
These flowering plants are rated USDA Hardiness Zone 4a. They can tolerate cold down from −30 °F (−34.4 °C) to −25 °F (−31.7 °C).
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Scilla siberica (Siberian Squill) is a bulbous perennial with 2 to 4 strap-shaped leaves appearing in early spring at the same time as …
Taraxacum albidum (White Dandelion) is a perennial herbaceous plant, sometimes mistaken for Taraxacum coreanum. The deeply lobed leaves …
Symphytum asperum (Prickly Comfrey) is a rhizomatous perennial that grows up to 4 feet (1.2 m) tall. Leaves are dark green, prickly hairy …
Solidago canadensis (Canadian Goldenrod) is an upright rhizomatous perennial that grows up to 5 feet (1.5 m) tall. Central stems are clad …
Scilla bifolia (Аlpine Squill) is a herbaceous perennial growing from an underground bulb up to 0.8 inches (2 cm) across. There are two …
Rosa rubiginosa (Sweet Briar Rose) is a dense deciduous shrub, up to 10 feet (3 m) tall and about the same in diameter, with stems that …
Ranunculus acris (Meadow Buttercup) is variable in appearance across the world. It is a somewhat hairy plant with ascending ungrooved …
Polygonatum multiflorum (Solomon's Seal) is a rhizomatous perennial with alternate leaves on arching stems. It grows up to 3 feet (90 cm) …
Calla palustris (Water Arum) is a rhizomatous herbaceous perennial plant growing in bogs and ponds. Leaves are rounded to heart-shaped …