Slowly spreading evening primrose with bigger golden-yellow flowers, somewhat reddish stems and dark green foliage (purple tips).
18-20" tall x 18-24" wide, rosettes of basal leaves, topped with flowers in May to June.
Full sun, medium to dry soils, adaptable to any soil, that is not waterlogged. Tolerates shallow, rocky or infertile soils. Shade and too much nutrients can cause flopping.
Hardy in zones 4 to 8. Deer and rabbit resistant. Pollinator friendly. Drought and salt tolerant. In time will form groundcovering mat of rosettes.
The species of O. fruticosa is native wildflower to eastern half of USA and Canada, see the USDA distribution map.
Best in sunny border, with somewhat drier soil, cottage gardens, naturalistic gardens.
Meets and looks very good with blue flowers of Iris x barbata (Iris x germanica - bearded Iris), Nepeta, Salvia nemorosa or with purple flowers of Achillea millefolium, Geranium sanquineum, Penstemon digitalis 'Pocahontas' or Monarda.
Other good combinations include Agastache, Amsonia, Asclepias tuberosa, Asclepias verticillata, Aster, Echinacea, Eryngium, Gaura, Heliopsis, Liatris, Penstemon, Perovskia, Scabiosa columbaria, Sedum, Stokesia, Vernonia 'Iron Butterfly' or medium sized grasses (Eragrostis, Muhlenbergia, Sporobolus, lower cultivars of Panicum).
Pot size : 3.5" x 4" deep perennial pot
Picture copyright : Courtesy of Austin Eischeid, Austin Eischeid Garden Design