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Glademallow

Napaea dioica

Also called Glade Mallow

Glademallow
Photo: Hardyplants, Public domain

Glademallow is a tall, dioecious perennial wildflower from the eastern and central US, growing 1.5 to 3 m tall with large white summer flowers. It needs moist soil and a site in full sun to part shade.

Family
Malvaceae (Mallow family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Keep the soil consistently moist, especially in the growing season.
Soil
Moist, fertile loam or alluvial soil.
Temperature
Hardy in temperate climates; suited to cold winters.
How easy
Moderate
Native range
NC. & NE. U.S.A. to Maryland
Climate
temperate

About

Napaea is a monotypic genus of flowering plants in the mallow family Malvaceae. The single species is Napaea dioica, a tall perennial herbaceous plant, native to central and eastern USA. Plants are occasionally grown as ornamentals in wildflower gardens. A common name is glade mallow.

Where it grows

Napaea dioica is found growing in areas with moist soil in full sun to part shade. In Minnesota, where it is listed as endangered, it is found growing in alluvial meadows of the Mississippi river and its tributaries; with other large herbaceous perennials such as Heracleum lanatum, Silphium perfoliatum, and Rudbeckia laciniata.

Text excerpted from the Wikipedia article Napaea dioica by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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