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Water Ash

Fraxinus nigra

Last reviewed: June 2026

Water Ash (Fraxinus nigra)
Photo: Herman, D.E., et al. 1996. North Dakota tree handbook. USDA NRCS ND State Soil Conservation Committee; NDSU Extension and Western Area Power Administration, Bismarck. Courtesy of ND State Soil Conservation Committee. Provided by USDA NRCS ND State Office. United States, ND. / Wikimedia Commons (Public domain)

Light

part sun

Water

high

Size

360"–720" H × 240"–480" W

Bloom

May, Jun

Native to

CT, DE, IA, IL and 16 more states

Pollinators

bees, beetles

Water ash is a medium to large native tree that thrives in moist soils and wet areas. This deciduous tree produces small flowers in late spring and develops an oval to rounded crown as it matures.

In an HOA neighborhood

Water Ash is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 4 out of 5.

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

  • Requires consistent moisture which may limit placement options

Wildlife value

The flowers attract bees and beetles during the blooming period in May and June. As a native ash species, it provides habitat and food sources for various wildlife.

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

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