Clematis 'Jackmanii' (Jackman's Clematis) is a popular free-flowering medium-sized vigorous deciduous climber. The large flowers are up to …
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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Cirsium acaule (Stemless Thistle) is a perennial herb with leaves arranged in a spreading rosette. The leaves are spiny and up to 6 inches …
Cichorium intybus 'Roseum' (Pink Chicory) is a perennial plant that sends up a flower spike from a basal rosette of leaves in summer …
Campsis × tagliabuana (Trumpet Creeper) is a woody clinging perennial vine that attaches itself to structures and climbs vigorously with …
Echinacea purpurea 'Magnus' (Magnus Coneflower) is an attractive cultivar with narrowly oval leaves and flower heads with drooping deep …
Achillea millefolium 'Red Velvet' (Red Velvet Yarrow) is a vigorous, mat-forming perennial with finely divided leaves and leafy stems …
Echinacea purpurea 'White Swan' (White Swan Coneflower) is a compact perennial of upright growth, with large daisy-like flowers with …
Lilium 'Black Out' is an Asiatic Lily with funnel-shaped dark carmine-red flowers with darker black-flushed-red shading in the center of …
Achillea millefolium 'Paprika' is a spreading mat-forming cultivar noted for its aromatic, deeply-dissected, fern-like, medium green …
Lilium 'Black Mamba' (Asiatic Lily) is a fascinating Asiatic Lily with deep purple, almost black flowers that blend into maroon red at …