Lewisia rediviva (Bitter Root) is a low-growing perennial plant with a fleshy taproot and a simple or branched base. The flower stems are …
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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Aster tongolensis (East Indies Aster) is a mat-forming perennial with thick, almost leafless stems supporting solitary violet-blue ray …
Alchemilla alpina is a perennial plant with a woody rhizome and weak, silkily hairy stems produced by a basal rosette. It grows up to 8 …
Achillea millefolium 'Red Beauty' (Red Beauty Yarrow) is a rhizomatous spreading plant with cerise-red flowers and ferny aromatic foliage …
Achillea millefolium 'Terracotta' (Terracotta Yarrow) is a herbaceous perennial with peachy yellow flower heads when they first bloom but …
Rudbeckia fulgida 'Early Bird Gold' is a compact plant that grows up to 2 feet (60 cm) tall on stiff upright stems clad with dark green …
Lewisia longipetala (Truckee Lewisia) is a perennial plant growing from a slender taproot and caudex unit. It produces a basal rosette of …
Lewisia cotyledon (Siskiyou Lewisia) is an evergreen perennial that grows from a thick taproot and caudex unit. It produces a basal …
Rudbeckia fulgida var. deamii (Deam's Coneflower) is a clump-forming herbaceous perennial that grows up to 2 feet (60 cm) tall. Stems are …
Tropaeolum majus (Garden Nasturtium) is an annual climber that will scramble over the ground or up support. The stems grow up to 6 feet …