About
Oenothera fruticosa 'Michelle Ploeger' is an erect herbaceous perennial in the Onagraceae that bears saucer-shaped yellow flowers. Plants typically reach about 0.2–0.9 m and have alternate, simple leaves on a softly pubescent stem. Flowering runs from June to September. The cultivar derives from a species native to open sites in eastern North America.
About the genus
Oenothera is a genus of about 160 species of herbaceous flowering plants native to the Americas. The genus includes common evening primrose, sundrops and gaura. It is the type genus of the family Onagraceae.
Wikipedia contributors, "Oenothera", CC BY-SA 4.0 — Oenothera
In the garden
Oenothera fruticosa 'Michelle Ploeger' belongs to the evening primrose family and originates from open habitats in eastern North America, including dry woodlands, rock outcrops and seasonally moist savannas. That background indicates a tolerance of a range of soil moisture and a preference for open, unshaded or lightly sheltered positions. Plant in a sunny or open spot with free-draining soil; the species will tolerate poorer, stony ground as well as sites that become seasonally damp. Expect an erect habit to roughly 0.2–0.9 m; stems and leaves are softly pubescent. Flowering runs from June to September, so place it where summer bloom is wanted through the warmer months. In UK gardens it suits mixed herbaceous borders, wildflower meadows, rock gardens and dry banks where a long run of yellow bloom is useful. Allow room for clumps to establish and combine with late-spring to mid-summer perennials to bridge its flowering season. The saucer-shaped yellow flowers measure about 2.5–5 cm across, offering a consistent summer display for several months.