groundcover

Sakawa wild ginger

Asarum sakawanum

The Story

Plant Bio

Asarum sakawanum is a low-growing perennial with heart-shaped, evergreen leaves and distinctive, bell-shaped flowers that emerge close to the ground, often in shades of brown or purple.

Valued for its glossy, heart-shaped, evergreen leaves which are often attractively mottled with silver. It forms a dense, weed-suppressing groundcover in shade gardens. Foliage is aromatic when crushed.

Uses & Benefits:

Provides lush, evergreen groundcover with fragrant leaves, ideal for shaded gardens.

Helps suppress weeds in shaded, moist areas and prevents soil erosion.

Supports shade-loving insects and maintains soil moisture.

Essentials

At a Glance

Plant Type

Groundcover

Height

4 inches

Width

12 inches

Light

Partial Sun, Shade

Zones

6, 7, 8, 9

Water

Moist

Humidity

High

Lifespan

Perennial

Native To

Japan

Toxicity

Contains aristolochic acid; 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 germination
Provide partial shade for optimal growth
Mulch around plants to retain moisture and suppress weeds
Divide plants every 3-4 years in early spring
Remove dead or damaged leaves in early spring

Pro Tip

Ensure well-draining, humus-rich soil and shade for best results

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist, especially in dry periods 🌱
Mulch to conserve moisture and regulate soil temperature
Divide in early spring to promote healthy growth
Prune dead or damaged leaves to maintain appearance

Don't

Avoid full sun exposure, which can scorch leaves ❌
Do not let soil dry out completely
Avoid heavy, waterlogged soils that cause root rot
Refrain from disturbing roots excessively

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland garden bedMoist, shaded border

Companion Plants

Ferns Hostas Astilbe Heuchera

Multiply

Propagation Methods

Good to Know

Common Questions

Sakawa wild ginger questions

What zones can Sakawa wild ginger grow in?

Sakawa wild ginger is hardy in USDA Zones 6–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Sakawa wild ginger deer resistant?

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

When does Sakawa wild ginger bloom?

Sakawa 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 Sakawa wild ginger need full sun?

Sakawa wild ginger does best in part shade.