perennial

Mamitanian Asarum

Asarum minamitanianum

The Story

Plant Bio

Asarum minamitanianum is a low-growing perennial herb known for its heart-shaped, evergreen leaves and distinctive, bell-shaped flowers that often have a mottled or patterned appearance, thriving in shaded woodland environments.

This species is appreciated for its compact form and attractive foliage, making it an excellent groundcover for shaded gardens and woodland settings.

Uses & Benefits:

Adds shade-tolerant greenery to woodland gardens, with aromatic foliage providing sensory interest.

Prevents soil erosion on shaded slopes and enhances soil moisture retention.

Supports native pollinators and beneficial soil microbes in shaded habitats.

Essentials

At a Glance

Plant Type

Perennial

Height

4 inches

Width

8 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Moist

Humidity

High

Lifespan

Perennial

Native To

Japan

Toxicity

Toxic if ingested

Bloom period

Early spring – Late spring

In flower about 3 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
Mulch around plants to retain moisture and suppress weeds
Transplant in early spring before new growth emerges
Divide clumps every 3-4 years in early spring
Mist cuttings regularly to encourage rooting

Pro Tip

Provide shade and moist, well-drained soil for best growth.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to conserve moisture and keep roots cool
Transplant in early spring for best success

Don't

Allow soil to dry out completely ❌
Expose to direct, harsh sunlight
Overfertilize which can harm roots

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Mulch
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded groundcoverWoodland border

Companion Plants

ferns hostas Solomon's seal

Multiply

Propagation Methods

Good to Know

Common Questions

Mamitanian Asarum questions

What zones can Mamitanian Asarum grow in?

Mamitanian Asarum 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 Mamitanian Asarum deer resistant?

Yes — Mamitanian Asarum is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Mamitanian Asarum bloom?

Mamitanian Asarum 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 Mamitanian Asarum need full sun?

Mamitanian Asarum does best in part shade.