1 named cultivar
The Story
Plant Bio
Asarum megacalyx is a perennial groundcover with heart-shaped, velvety leaves and distinctive, bell-shaped, reddish-brown flowers that emerge close to the foliage, creating an attractive, low-growing carpet.
This species is notable for its large, showy calyx and its ability to thrive in shaded, woodland environments, making it an excellent choice for shaded garden beds and naturalistic plantings.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
4 inches
Width
12 inches
Light
Partial Sun, Shade
Zones
5, 6, 7, 8
Water
Moist
Humidity
High
Lifespan
Perennial
Native To
Japan
Toxicity
Toxic to pets and humans if ingested
Planting
How to Grow
- Tuck seeds into soil in early spring.
- Keep soil consistently moist during germination.
- Provide partial shade for best growth.
- Mulch around plants to retain moisture.
- Transplant seedlings after 6 weeks of growth.
- Water regularly during dry spells.
Pro Tip
Ensure well-draining, moist, and shady conditions for thriving growth.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Mulch to retain moisture and suppress weeds
- Remove dead leaves in late fall
Don't
- Avoid full sun exposure ❌
- Do not let soil dry out completely
- Avoid heavy fertilization
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Mulch | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Large-flowered Wild Ginger questions
What zones can Large-flowered Wild Ginger grow in?
Large-flowered Wild Ginger is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Large-flowered Wild Ginger deer resistant?
Yes — Large-flowered Wild Ginger is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Large-flowered Wild Ginger bloom?
Large-flowered Wild Ginger typically blooms in early spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Large-flowered Wild Ginger need full sun?
Large-flowered Wild Ginger does best in part shade.
More Asarum to compare
Arrowleaf Ginger
Asarum arifolium 'Spreading Form'
Cahaba River Wild Ginger
Asarum shuttleworthii 'Cahaba River'
Canadian Wild Ginger
Asarum canadense
Asteroid Sixlobed Wild Ginger
Asarum hexalobum 'Asteroid'
Faurie's Wild Ginger
Asarum fauriei 'Galaxy'
Harper's Wild Ginger
Asarum harperi 'Eco Dark Heartlet'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Large-flowered Wild Ginger 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.