Bowman's root
Gillenia trifoliata
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
30 inches
Width
30 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8
Water
Requires consistent moisture
Humidity
Moderate
Lifespan
Perennial
Native To
Eastern North America
Toxicity
Non-toxic
The Story
Plant Bio
Porteranthus trifoliatus (formerly Gillenia trifoliata), commonly known as Bowman's root, is an upright, clump-forming perennial with trifoliate, toothed leaves and delicate, star-shaped white flowers. Valued for its airy texture, delicate flowers, and excellent red-bronze fall color. It is drought tolerant once established and resistant to deer.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds directly into moist soil in early spring.
- Mist cuttings regularly to maintain humidity.
- Plant in well-drained loamy soil for best results.
- Space plants 12-18 inches apart for airflow.
- Mulch around base to retain moisture during summer.
- Prune after flowering to promote bushiness.
Pro Tip
Ensure soil remains consistently moist for optimal growth.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Prune dead or damaged stems after flowering
- Mulch to conserve moisture
Don't
- Don't let soil dry out completely ❌
- Avoid over-fertilizing which can cause legginess
- Do not disturb roots during active growth
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prune | ||||||||||||
| Spring Cleanup |
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
Bowman's root questions
What zones can Bowman's root grow in?
Bowman's root 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 Bowman's root deer resistant?
Yes — Bowman's root is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Bowman's root bloom?
Bowman's root typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Bowman's root need full sun?
Bowman's root does best in part shade.
Is Bowman's root drought tolerant?
Yes — once established (usually after the first full season), Bowman's root handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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Grow Bowman's root 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.
