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Mallow Ninebark

Physocarpus malvaceus

Last reviewed: June 2026

Mallow Ninebark (Physocarpus malvaceus)
Photo: Sten at Danish Wikipedia / Wikimedia Commons (CC BY-SA 3.0)

Light

full sun

Water

low

Size

36"–72" H × 36"–72" W

Bloom

May, Jun, Jul

Native to

CO, ID, MT, NV and 4 more states

Pollinators

bees, beetles

Browse plants for this ecoregion

Mallow ninebark is a medium-sized native shrub with attractive white flower clusters that bloom from May through July. This drought-tolerant plant develops a rounded form and provides seasonal interest with its deciduous foliage and distinctive peeling bark.

In an HOA neighborhood

Mallow Ninebark is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

  • Winter dormancy leaves bare branches
  • May require occasional pruning to maintain shape

Wildlife value

The abundant white flowers attract bees and beetles during the long blooming season. This native shrub provides valuable habitat and nectar sources for local pollinators.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Mallow Ninebark fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.