Wonderful cultivar, that is originated in the nature, with no man-made hybridization, so it will satisfy pure ecologist as well as keen gardeners. Upright perennials, yellow 2” wide pinwheel flowers, with rolled quill shaped petals. Upper leaves get three-lobbed and leaves have light vanilla scent, especially in summer drought.
Beautifull in small groups or masses in sunny flower border, butterfly garden, hummingbird garden, low maintenance gardens, deer resistant landscaping, naturalized areas or rain gardens - both private and public places.
Excellent late cut flower.
Looks very good with tall fall Asters (A. novae-angliae and other), Eryngium yuccifolium, tall Eupatorium, Helenium, Hibiscus moscheutos hybrids, Phlox paniculata, and taller grasses like Andropogon gerardii, Panicum virgatum. Or non-native perennials like Sanguisorba, Molinia or annual Verbena bonariensis.
Blooming time : July to September, with the peak in mid August
Size : 4-5’ tall and 2-3’ wide, spacing about 18”-24”
USDA zones : 5 to 7
Culture: full sun, half sun, grows well in average soil, clay, loam. Tolerates some droughts. It may flop if the soil is too amended and too rich in nutrients.
Moisture Needs : medium-dry, medium, medium-moist
Origin : This cultivar (nativar) was found and collected from a railroad prairie remnant in in Montgomery County, southern Illinois. and named after the founder Henry Eilers – a botanist by love, horticulturist by trade and renown prairie restoration specialist (now retired). Introduced into horticulture trade by Larry Lowman, an east Arkansas native plant guru.
Wild form of R. subtomentosa is native to central USA, where it occurs on moist prairies, along streambanks, open meadows, roadsides or lower areas. See the distribution map here.
Deer/rabbit resistant : yes / yes
Attracts Butterflies or Pollinators : butterflies, native bees
Attracts Hummingbirds : yes
Pot Size : 3.5" perennial pot (1.22 pt/580 ml)
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I purchased this locally in July, when we were experiencing drought and daily temperatures in the 90s. This and the other plants I bought were in great condition when I took them home, and are all doing well now after making it through the severe weather.