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Grass · Moderate

How to Grow Japanese Forest Grass

Hakonechloa macra 'Aureola'

Your complete guide to growing Japanese Forest Grass.

☀SunPartial shade (4-6 hours)
💧WaterConsistent moisture, 1-1.5 inches per week
🗺Zones5–9
📏Height12-18 inches
Japanese Forest Grass📷 Wikimedia Commons

When to Plant Japanese Forest Grass

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 5 — April – June —
Zone 6 — April – June —
Zone 7 — March – May —
Zone 8 — March – May —
Zone 9 — February – April —

Companion Plants for Japanese Forest Grass

✓ Good companions

Astilbe

Thrives in same moist, shaded conditions and provides colorful flower contrast

Begonia

Shade-loving with similar water needs, provides flowering interest

Caladium

Both prefer filtered light and consistent moisture, colorful leaf contrast

Ferns

Share preference for cool, moist, shaded woodland conditions

Heuchera

Compatible shade tolerance and adds colorful foliage variety

Hosta

Similar shade and moisture requirements, complementary foliage textures

Impatiens

Thrives in same shaded, moist conditions while adding seasonal color

Japanese Painted Fern

Native habitat overlap with matching cultural requirements

✗ Keep away from

Black Walnut

Produces juglone toxin that can inhibit growth of many understory plants

Lavender

Requires full sun and dry conditions, opposite of forest grass needs

Rosemary

Needs well-draining soil and full sun, incompatible with shade requirements

Sedum

Drought-tolerant succulent that cannot tolerate moist shade conditions

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.