Lilium candidum (Madonna Lily) is a perennial plant with up to 6 feet (1.8 m) tall stems and glossy dark green scattered leaves. Flowers …
Browsing: Zone 3a
These flowering plants are rated USDA Hardiness Zone 3a. They can tolerate cold down from −40 °F (−40 °C) to −35 °F (−37.2 °C).
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Primula elatior (Oxlip) is a herbaceous perennial plant that grows up to 12 inches (30 cm) tall and up to 10 inches (25 cm) wide …
Veronica americana (American Speedwell) is a herbaceous perennial with glabrous stems that bear terminal or axillary racemes or spikes of …
Fritillaria pudica (Yellow Fritillary) is a small perennial plant that grows up to 1 foot (30 cm) tall. It has yellow, narrowly bell …
Scilla siberica 'Alba' (White Siberian Squill) is a bulbous perennial with 2 to 4 strap-shaped leaves appearing in early spring at the …
Scilla siberica (Siberian Squill) is a bulbous perennial with 2 to 4 strap-shaped leaves appearing in early spring at the same time as …
Solidago canadensis (Canadian Goldenrod) is an upright rhizomatous perennial that grows up to 5 feet (1.5 m) tall. Central stems are clad …
Penstemon digitalis (Foxglove Beardtongue) is a glabrous herbaceous plant with simple shiny green leaves that grow on slender purple …
Myosotis azorica (Azorean Forget-me-not) is a perennial herb with decumbent stems that grow up to 12 inches (30 cm) tall. Leaves are …
Aquilegia caerulea (Colorado Blue Columbine) is the state flower of Colorado. It is a bushy, clump-forming perennial that grows up to 2 …