Species
Sanguinaria canadensisBloodroot1 other cultivar
Bloodroot Missouri River Giant
Sanguinaria canadensis 'Missouri River Giant'
The Story
Plant Bio
Sanguinaria canadensis, commonly known as bloodroot, is a perennial woodland wildflower with basal, deeply lobed leaves and single white flowers that bloom in early spring, often with a striking yellow center.
The 'Missouri River Giant' cultivar is distinguished by its notably larger flowers and broader leaves, making it a standout choice for woodland gardens seeking dramatic early-season interest.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
8 inches
Width
12 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8, 9
Water
Moist
Humidity
Moderate
Lifespan
Perennial
Native To
North America
Toxicity
Toxic
Bloom period
Early spring – Mid-spring
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds into moist soil in fall for natural stratification
- Keep soil consistently moist during active growth
- Plant in shaded or partially shaded areas
- Mulch around the base to retain moisture
- Avoid overwatering to prevent root rot
- Divide clumps every 3-4 years in early spring
Pro Tip
Sow seeds in fall for best germination, and provide rich, moist soil.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Mulch to retain soil moisture and suppress weeds
- Plant in shaded areas to mimic natural habitat
- Divide clumps in early spring to promote growth
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t expose to full sun which can scorch leaves
- Refrain from disturbing roots during dormancy
- Don’t forget to remove dead leaves in fall
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Mulch | ||||||||||||
| Plant |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Bloodroot Missouri River Giant questions
What zones can Bloodroot Missouri River Giant grow in?
Bloodroot Missouri River Giant is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Bloodroot Missouri River Giant deer resistant?
Yes — Bloodroot Missouri River Giant is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Bloodroot Missouri River Giant bloom?
Bloodroot Missouri River Giant typically blooms in early spring through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Bloodroot Missouri River Giant need full sun?
Bloodroot Missouri River Giant does best in part shade.
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Grow Bloodroot Missouri River Giant with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.