Sign up Log in

Sanguinaria canadensis

An eastern North American woodland perennial with white flowers and red sap, spreading via rhizomes to form colonies, historically used for dyes and medicines due to alkaloids such as sanguinarine and noted for its toxicity.

Is Sanguinaria canadensis growing in your garden? Record it and all of your plants in Known.

Common Names

Bloodroot, Bloodwort, Indian Paint, Puccoon, Red Puccoon

Summary

Bloodroot is a native eastern North American perennial forb in the Papaveraceae family. It is rhizomatous and forms large colonies on the forest floor, reaching about 6–10 inches tall with a single basal leaf that is palmately lobed and a solitary white flower with a yellow center on a separate stalk; stems and rhizomes exude a bright reddish-orange sap. Flowers bloom in early spring and close at night, while foliage persists into summer, providing distinctive blue-green leaves as a backdrop for the bloom. Cultivation favors moist, humus-rich, well-drained soils in part to full shade, and it spreads to form colonies. Propagation is by seed or rhizome division; seeds may require cold stratification and germination can be slow, with division possible in autumn or spring. Mulching year-round is recommended; handle with gloves due to the caustic, poisonous sap. Bloodroot carries historic value as a dye and in traditional medicine, and remains an ornamental woodland plant suitable for native plant and rock gardens in properly shaded landscapes.

Lifecycle

Perennial

Height

3-23.5 inches

Spread

3-8 inches

Hardiness Zones

Zones 3-8

Sunlight Requirements

Ideally partial sun or partial shade, full sun not ideal, can be grown in full shade to partial shade

Soil Type

Humus-rich, moist, well-drained soil with high organic matter, pH 5.5–6.5, loamy or woodland soil

Soil Drainage

Moist, well-drained soil

Soil pH

5-7

Bloom Color

White

Bloom Time

Spring (late winter to early spring)

Foliage Color

Blue-Green

Fall Foliage Color

Yellow

Leaf Lifecycle

Deciduous

Growth Rate

Slow growth; 2–5 years to reach maturity or ultimate height; slowly spreading via rhizomes

Seasons of Interest

Spring

Propagation Methods

Seeds, Division

Attracts Wildlife

Attracts bees and flies

References

Bloodroot (Sanguinaria canadensis L.). content.ces.ncsu.edu.
Bloodroot - Canadian Wildlife Federation. cwf-fcf.org.
How To Grow Sanguinaria canadensis. earthone.io.
Bloodroot (Sanguinaria canadensis L.) – Forest Far…. forest-farming.extension.org.
Bloodroot, Sanguinaria canadensis. friendsofeloisebutler.org.
How to Grow and Care for Bloodroot Plants | Garden…. gardenerspath.com.
All About Bloodroot: Characteristics, Propagation,…. gardeningcalendar.ca.
Sanguinaria canadensis (blood-root): Go Botany. gobotany.nativeplanttrust.org.
Bloodroot | Home & Garden Information Center - HGI…. hgic.clemson.edu.
Wisconsin Horticulture. hort.extension.wisc.edu.
Share this page. mortonarb.org.
Bloodroot - The Native Plant Gardener. nativeplantgardener.ca.
Sanguinaria canadensis | Canada puccoon Herbaceous…. rhs.org.uk.
Sanguinaria canadensis (Bloodroot). florafinder.org.
Sanguinaria Plant Growing & Care Guide for Gardene…. gardenershq.com.
Sanguinaria canadensis (Bloodroot) - Gardenia.net. gardenia.net.
Bloodroot Plant Care: Learn How To Grow ... - Gard…. gardeningknowhow.com.
Sanguinaria canadensis. indiananature.net.
Sanguinaria canadensis - Plant Finder. missouribotanicalgarden.org.
Sanguinaria canadensis page. missouriplants.com.
Sanguinaria canadensis | Canada puccoon Herbaceous…. rhs.org.uk.
What Is It Wednesday: Bloodroot - Thames Talbot La…. thamestalbotlandtrust.ca.
Sanguinaria canadensis (Bloodroot) | Native Plants…. wildflower.org.
World Flora Online. worldfloraonline.org. June 2024.