Not very common native wildflower and very interesting perennial.
Large palmated leaves (up to 10", the biggest leaves are at the base), one single upright stem with small white and fragrant flowers (up to 0.5-0.75"). Flowers in June to end of July (or early August) and open in the morning and close at night.
Plant is dioecious - it has male and female flowers on separate plants.
Usually about 4-5' tall x 2' wide (but in ideal conditions can reach up to 8' of height x 3' of width).
Best in half shade (or half sun) and moist to wet loamy soils (or average garden soil amended with some compost). Intolerant to dry soils, plant will wilt quickly.
Hardy in zones 3 to 8. Native wildflower to upper Midwest, see the USDA distribution map. Naturally occurs in riverplains, wet to moist thickets, floodplain forest openings, riverbanks, riverbottom prairies, ditches, alluvial meadows and lake margins.
Main pollinators are bumblebees, Halictid bees, Andrenid bees, but they are also visited by Syrphid and Calliphorid flies.
Farm animals brows on the foliage and deer may occasionally too.
Interesting plant for a bit shaded part of you rain garden, moist banks of streams or ponds, edges of woodland garden, moist ditches or simply half shade flower bed. Good companions can be Asclepias incarnata, Chelone, Eupatorium, Filipendula, Hibiscus, Iris (lousiana, virginica, sibirica, versicolor and other moist loving Irises), Lobelia, Physostegia, Senna, Veronicastrum or Carex, Panicum virgatum.
Pot size : square 3.5" x 5" deep pot
Picture copyright : Irvin Etienne