Tschonoski's trillium
Trillium tschonoskii
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
12 inches
Width
12 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8
Water
Moist
Humidity
High
Lifespan
Perennial
Native To
East Asia
Toxicity
Rhizome is toxic if ingested
The Story
Plant Bio
Trillium tschonoskii is a perennial woodland plant characterized by its three petaled flowers and whorled leaves. This species is distinguished by its large, white, sessile (stalkless) flower that sits directly atop the whorl of three leaves. The flower petals can age to pink or purple.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into moist, well-drained soil in early fall for natural stratification.
- Mist cuttings lightly and keep in a shaded, humid environment for 4-6 weeks.
- Plant rhizomes in shaded areas with rich, organic soil in early spring.
- Water regularly to keep soil moist but not waterlogged during active growth.
- Mulch to retain soil moisture and suppress weeds throughout the growing season.
- Divide mature clumps every 3-4 years in early spring or late summer.
Pro Tip
Provide dappled shade and consistently moist soil to encourage healthy growth.
Keep It Thriving
Care Guide
Do
- Plant in shaded or woodland garden areas 🌳
- Keep soil consistently moist, especially during dry spells 💧
- Apply a layer of mulch to conserve moisture and regulate temperature 🌱
- Fertilize with organic compost in early spring
- Regularly check for pests and diseases
Don't
- Avoid direct, harsh sunlight which can scorch leaves ❌
- Do not let soil dry out completely during active growth ❌
- Over-fertilize, which can lead to weak stems and disease ❌
- Don’t disturb established plants during the blooming period ❌
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
Tschonoski's trillium questions
What zones can Tschonoski's trillium grow in?
Tschonoski's trillium is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Tschonoski's trillium deer resistant?
Not reliably. Deer may browse Tschonoski's trillium, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Tschonoski's trillium bloom?
Tschonoski's trillium 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 Tschonoski's trillium need full sun?
Tschonoski's trillium does best in part shade.
More Trillium to compare
Missouri form Large-flowered Trillium
Trillium recurvatum 'Missouri form'
Great White Trillium
Trillium grandiflorum
Vasey's Trillium
Trillium vaseyi
Toadshade
Trillium cuneatum
Rugel's Trillium
Trillium rugelii
Large-flowered Trillium
Trillium grandiflorum 'Mix'
Keep exploring
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Hardy in your zone?
Grow Tschonoski's trillium 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.
