Hydrangea paniculata (Panicled Hydrangea) is a deciduous shrub or small tree that grows up to 16.4 feet (5 m) tall and up to 8 feet (2.4 …
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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Cirsium pyrenaicum (Pyrenean Thistle) is a rhizomatous perennial plant that grows up to 5 feet (1.5 m) tall. Leaves are green, lance …
Eutrochium dubium (Coastal Plain Joe-Pye Weed) is a herbaceous perennial plant that grows up to 5.3 feet (1.7 m) tall. Stems are sometimes …
Echinacea pallida (Pale Purple Coneflower) is a coarse hairy perennial that grows up to 4 feet (1.2 m) tall. It features narrow, parallel …
Dicentra canadensis (Squirrel Corn) is a herbaceous perennial plant with small yellow clustered bulblets looking roughly like kernels of …
Convallaria keiskei (Asian Lily of the Valley) is a rhizomatous perennial that forms extensive colonies. It grows up to 12 inches (30 cm) …
Clematis alpina (Alpine Clematis) is a medium-sized deciduous climber with leaves divided into nine narrow-lanceolate leaflets. Flowers…
Cirsium vulgare (Spear Thistle) is a tall, biennial or short-lived monocarpic plant that forms a rosette of leaves and a taproot up to 28 …
Lilium lancifolium (Tiger Lily) is one of a very small number of species that produce aerial bulblets, known as bulbils, in the leaf …
Aster alpinus (Alpine Aster) is a herbaceous perennial that forms a clump of narrow dark green leaves and daisy-like flower heads …