Cirsium rivulare 'Atropurpureum' is an upright perennial that grows up to 4 feet (1.2 m) tall, forming a clump of branching leafy stems …
Browsing: Zone 6b
These flowering plants are rated USDA Hardiness Zone 6b. They can tolerate cold down from −5 °F (−20.6 °C) to 0 °F (−17.8 °C).
Click on the photo or the name of the flowering plant for which you wish to see further information.
Back to Browse Flowering Plants by USDA Hardiness Zone.
You can also browse flowering plants by Scientific Name, Common Name, Genus, Family or Origin.
Fritillaria michailovskyi (Michael's Flower) is a bulbous perennial with grey-green lance-shaped leaves and 1 to 4 nodding, broadly bell …
Wisteria sinensis 'Alba' (Chinese Wisteria) is a woody deciduous perennial climbing vine that grows up to 100 feet (30 m) long over …
Helleborus lividus subsp. corsicus (Corsican Hellebore) is a quick-growing, clumping evergreen perennial with leafy stems that grow up to …
Lonicera japonica (Japanese Honeysuckle) is a twining vine able to climb up to 33 feet (10 m) high or more in trees. Leaves are simple …
Wisteria floribunda (Japanese Wisteria) is a woody deciduous twining climber that can grow up to 30 feet (10 m) long over many supports …
Cirsium rivulare (Brook Thistle) is an upright perennial that forms a clump of branching leafy stems with purple many-stellate flowers …
Fritillaria imperialis 'Rubra Maxima' (Crown Imperial) is a bulbous herbaceous perennial that grows up to 3.6 feet (1.1 m) tall. It is an …
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 …
Scilla siberica (Siberian Squill) is a bulbous perennial with 2 to 4 strap-shaped leaves appearing in early spring at the same time as …