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Great Waterleaf

Hydrophyllum appendiculatum

Last reviewed: June 2026

Great Waterleaf is a native woodland wildflower found across the eastern and central United States. This shade-tolerant perennial blooms with white to pale blue flowers in May and June.

Great Waterleaf (Hydrophyllum appendiculatum)
Photo: Mason Brock (Masebrock) / Wikimedia Commons (Public domain)

Light

part shade

Water

medium

Size

12"–24" H × 8"–16" W

Bloom

May, Jun

Native to

AL, AR, IA, IL and 14 more states

Pollinators

bees, butterflies

Great waterleaf is a native woodland wildflower with broad, deeply lobed leaves and clusters of small white to pale purple flowers in late spring. This woodland perennial grows in spreading clumps and goes dormant by midsummer, disappearing completely until the following spring.

Growing Great Waterleaf

Grow Great Waterleaf in part shade and medium water. Mature plants reach 12 to 24 inches tall and spread 8 to 16 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Great Waterleaf takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Appears very wild and weedy
  • Dies back completely in winter leaving bare spots
  • Unfamiliar appearance may be seen as unmaintained

Wildlife value

The flowers attract native bees and butterflies during its May-June bloom period. The plant also serves as a host for some native moth caterpillars.

Common questions

Where does Great Waterleaf naturally grow?
Great Waterleaf is native to eastern and central United States, including states from Alabama north to Minnesota and from Pennsylvania west to Kansas.
When does Hydrophyllum appendiculatum bloom?
Great Waterleaf typically blooms in May and June, producing clusters of white to pale blue flowers.
What pollinators visit Great Waterleaf?
Great Waterleaf attracts various bees and butterflies with its nectar-rich flowers during the late spring blooming period.
What growing conditions does Great Waterleaf prefer?
This woodland wildflower thrives in partial to full shade with medium to moist soil conditions, making it ideal for naturalized woodland gardens.
Is Great Waterleaf HOA-friendly?
Great Waterleaf takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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.

Ready to grow Great Waterleaf? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz