Roundleaf Ragwort |
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Flat-topped clusters of attractive small (1/4") deep yellow flowers from April to June (rarely later), basal leaves (1-4") are oval & tapering to the base with smaller finely cut leaves on the flowering stems, food plant for the Painted Lady (LVennessa cardui) & Northern Metalmark (Calephelis borealis) Butterfly caterpillars, native to wooded slopes & banks, clump forming by rhizomes.
6-18" tall
Plant Hardiness Zones: 4a-8b
Perennial
Native Range: s. NH & VT west to s. MI & IL, south to the FL panhandle & NM
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