When does Great Waterleaf bloom?

Great waterleaf typically flowers from May into June, producing small clusters of lavender to white blossoms on hairy, branching stems.

What kind of light does Great Waterleaf need?

It grows best in part shade but tolerates conditions from part sun to fuller shade, making it well suited to the dappled light of deciduous woodlands.

How much water does Great Waterleaf need?

This plant prefers medium, consistently moist soil, similar to the damp woodland floors and streambank edges where it is often found.

What pollinators visit Great Waterleaf?

Bees and butterflies commonly visit the flowers, drawn to the nectar produced during the spring bloom period.

What kind of habitat suits Great Waterleaf?

It thrives in rich, moist deciduous woods and shaded ravines, often growing alongside other spring woodland forbs in the eastern and midwestern United States.

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.

Great Waterleaf

Name: Pollinator Patch
Author: Pollinator Patch

Hydrophyllum appendiculatum

Last reviewed: August 2026

Great waterleaf is a woodland forb that blooms in May and June, producing clusters of pale lavender flowers favored by bees and butterflies in moist forest understories.

Toxicity unknown

Great Waterleaf (Hydrophyllum appendiculatum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

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

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Browse plants for this ecoregion

Ozark Highlands Central Irregular Plains Western Corn Belt Plains Northern Lakes and Forests North Central Hardwood Forests Driftless Area Southeastern Wisconsin Till Plains Central Corn Belt Plains Eastern Corn Belt Plains Southern Michigan/Northern Indiana Drift Plains Huron/Erie Lake Plains Southeastern Plains Western Allegheny Plateau Interior Plateau Interior River Valleys and Hills

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

When does Great Waterleaf bloom?: Great waterleaf typically flowers from May into June, producing small clusters of lavender to white blossoms on hairy, branching stems.
What kind of light does Great Waterleaf need?: It grows best in part shade but tolerates conditions from part sun to fuller shade, making it well suited to the dappled light of deciduous woodlands.
How much water does Great Waterleaf need?: This plant prefers medium, consistently moist soil, similar to the damp woodland floors and streambank edges where it is often found.
What pollinators visit Great Waterleaf?: Bees and butterflies commonly visit the flowers, drawn to the nectar produced during the spring bloom period.
What kind of habitat suits Great Waterleaf?: It thrives in rich, moist deciduous woods and shaded ravines, often growing alongside other spring woodland forbs in the eastern and midwestern United States.
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.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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