Hydrophyllum canadense
An eastern North American native perennial forb in the Hydrophyllaceae that forms large colonies via scaly rhizomes, has basal deeply lobed leaves, and bears compact clusters of white to lavender bell-shaped flowers beneath the leaf canopy.
Common Names
Broad-Leaf Waterleaf, Canada Waterleaf, Blunt-Leaf Waterleaf, Mapleleaf Waterleaf, Waterleaf
Summary
Hydrophyllum canadense, commonly called bluntleaf waterleaf, is a rhizomatous perennial native to eastern North America, forming colonies via long, scaly rhizomes and growing about 30–70 cm tall, basal leaves are lobed with silvery mottling, stem leaves are palmately lobed (5–9 lobes), flowers are white to lavender, bell-shaped, in clusters beneath the upper leaves, with long hairy filaments giving a lace-like appearance, it tolerates partial sun to deep shade and thrives in moist, humus-rich soils of moist forests and understories, it functions as a shade groundcover in woodland or naturalized settings, spreading via rhizomes to form colonies, propagation occurs by seed, which requires three months of cold stratification to germinate, or by division in spring or autumn, flowers attract native bees, making it a pollinator-friendly addition to shade gardens while enhancing biodiversity
Lifecycle
Perennial
Height
10 inches-2.5 feet
Spread
0.5-2.5 feet
Hardiness Zones
Zones 4-8
Sunlight Requirements
Ideally partial shade; also tolerates partial sun and full shade.
Soil Type
Moist, humus-rich soil
Soil Drainage
Moist soils (wet to moderately moist)
Soil pH
6.0-8.0, Neutral to alkaline soils, Tolerates alkaline conditions above 8.0
Bloom Color
White
Bloom Time
Spring, Summer, and Fall
Foliage Color
Green
Fall Foliage Color
Purple
Leaf Lifecycle
Deciduous
Growth Rate
20–70 cm per year
Seasons of Interest
Spring, Summer, Fall, and Winter
Propagation Methods
Seeds and Division
Attracts Wildlife
Attracts bees (including native bees and bumblebees), Waterleaf Mining Bee, wasps, flies, butterflies, and skippers
Taxonomy
- Taxonomic Rank
- Species
- Author
- L.
- Publication
- Syst. Nat. ed. 10 , 2: 919 (1759)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Boraginales
- Family
- Boraginaceae
- Genus
- Hydrophyllum