How to Grow and Care for Japanese Forest Grass (Hakonechloa macra)

A limestone path separates borders of Hakonechloa macra Aureola, and Hakonechloa macra 'All Gold' a shade loving beautiful golden variegated grass and pink and blue bloomstruck hydrangeas

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This limestone path winds through Hakone grass with hydrangeas adding pops of pink and blue. A shade garden dream!

Photo Credit
Molly Shannon
Botanical Name
Hakonechloa macra
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Discover Tips for Planting, Maintaining, and Enjoying This Graceful Shade-Loving Grass

Written By: Samantha Johnson Author and Gardening Contributor

Looking to add a splash of golden grace to your shady garden? Meet Japanese Forest Grass (Hakonechloa macra). Prized for its graceful, cascading habit, it’s perfect for borders, walkways, or even as a soft groundcover that whispers “welcome” in every breeze.

What Is Japanese Forest Grass?

Dubbed one of the best ornamental grasses for shade by the University of Wisconsin, Japanese Forest Grass (aka Hakone grass) quickly steals the spotlight in any garden. This deciduous perennial forms neat clumps of slender, graceful leaves that sway gracefully up to 18 inches tall and about as wide. Native to Japan, it thrives in USDA Zones 5 to 9, though it prefers cooler summers and may sulk a bit in hotter spots.

What makes Hakonechloa truly special? Its variety of dazzling cultivars showing off stripes of gold, green, and creamy white—adding texture and light to dim corners of your garden. Easy to grow, deer-resistant, and happily spreading by division, it’s a charming companion for a shade garden where many plants fear to tread.

But here’s the scoop: Japanese Forest Grass isn’t a turfgrass. It grows slowly in clumps, isn’t fond of foot traffic, and prefers to be admired rather than stomped on. 

Hakonechloa macra or japanese forest grass ornamental plant with cascading mounds of lush green foliage in the shady garden See less
Graceful Japanese Forest Grass is perfect for walkways and paths, especially in shady areas. Credit: Svetlana Zhukova

Japanese Forest Grass FAQ

Does Japanese Forest Grass die back in winter?
Yes, Japanese Forest Grass is a deciduous perennial that typically dies back in winter. Its foliage may turn brown and wither, but it usually regrows in spring.

Is Japanese Forest Grass deer resistant?
Japanese Forest Grass is generally considered deer resistant. Deer tend to avoid its texture and taste, making it a good choice for gardens in areas with deer.

Is Japanese Forest Grass invasive?
No, Japanese Forest Grass is not invasive. It is a well-behaved ornamental grass that spreads slowly and does not aggressively take over garden spaces.

Is Japanese Forest Grass toxic to dogs?
Japanese Forest Grass is nontoxic to dogs and safe to plant in pet-friendly gardens.

Where can I buy Japanese Forest Grass?
You can find Japanese Forest Grass at many garden centers, specialty nurseries, and online plant retailers. Look for reputable sources that offer healthy, well-established plants.

What to Plant With Japanese Forest Grass

Japanese Forest Grass shines even brighter with the right garden companions. Mix and match to create texture-rich, shade-loving combinations that look great in every season. Here are some top picks:

  • For bold contrast: Hosta, Heuchera, Brunnera ‘Jack Frost’, and ferns
  • For flowers in the shade: Astilbe, Hellebores, Bleeding Heart, Toad Lily
  • For winter structure: Carex (sedge), dwarf conifers, boxwood
  • For low-growing layers: Sweet Woodruff, Epimedium

Planting

When it comes to planting Japanese Forest Grass, options are pretty straightforward—it’s all about division, since most cultivars don’t produce viable seeds. Think of it as sharing your favorite plant baby by splitting up an established clump!

When to Plant

The best time to give your Japanese Forest Grass a new home is spring, when the soil is warming up and the growing season is just getting started. If you’re in a milder climate, early fall can also work—just make sure your plants have enough time to settle before the first frost.

Step-by-Step Planting Guide

  1. Divide to multiply: Dig up a healthy clump of Japanese Forest Grass and gently split it into 2 to 4 smaller sections—each with roots and shoots.
  2. Pick your spot: Choose a shady or part-shade location with well-draining soil—the perfect cozy nook for your new grass.
  3. Dig a roomy hole: Make it about twice as wide and just as deep as the root ball or pot size.
  4. Plant with care: Set your grass in the hole, making sure the roots are comfortably spread out. Backfill gently with soil and pat it down.
  5. Water well: Give your new plant a good drink to settle the soil and start strong.

Japanese Forest Grass likes it simple—treat it like you would any small shrub or seedling, and soon it’ll be waving its golden leaves in the breeze.

Growing

Growing and caring for Japanese Forest Grass is refreshingly low-maintenance once it settles in. Here’s how to give this graceful shade lover the best chance to thrive.

Soil Matters

First things first: soil quality makes all the difference. Japanese Forest Grass prefers rich, moist, well-draining soil—the kind that feels like chocolate cake when you dig in. Avoid heavy clay, which holds water and can suffocate roots.

Aim for a slightly acidic to neutral pH. If your soil is too alkaline, the plant might not be as lush or vibrant.

Light & Location

This is not a sun worshipper! Japanese Forest Grass does best in part shade to full shade. In fact, its colorful foliage looks even more vivid in shady spots. Too much hot sun can scorch the leaves, especially in warmer zones.

Growth Habit & Hardiness

Hakonechloa grows by slow-spreading rhizomes or stolons, forming tidy clumps over time. It’s not invasive and tends to stay where you plant it—just slowly getting fuller and more fabulous.

  • The species (H. macra) is hardy to Zone 4,
  • Most cultivars (like ‘Aureola’ or ‘All Gold’) are hardy to Zone 5.

Care Tips

In fall, the leaves take on lovely shades of copper, gold, or reddish pink before dying back for winter. Hold off on cutting back dead foliage until late winter or early spring—the extra cover protects the crown.

Close-up of 'Aureola' Japanese Forest Grass.
The beautiful ‘Aureola’ is one of the most popular cultivars of Japanese Forest Grass. Credit: lorenza62

Add a layer of mulch in fall to help prevent frost heaving, especially in colder climates.

Division & Maintenance

Japanese Forest Grass is a slow grower, so there’s no rush to divide it. You might not need to touch it for several years—but when you do, it’s a great way to share the beauty with friends (or expand your own shady empire).

Pests/Diseases

One of the many reasons to love Japanese Forest Grass is its low-maintenance nature when it comes to pests and diseases. It’s deer-resistant, making it an excellent choice for woodland gardens where deer browsing is a concern. Pest problems are rare, but a few minor issues can occur under the wrong conditions:

  • You might occasionally see slugs or snails in very damp, shady conditions, but they rarely do severe damage.
  • It’s not prone to fungal diseases, like many shade plants. Some fungal spots could show up if air circulation is poor or foliage stays wet for extended periods.
  • Root or crown rot can develop if the plant sits in poorly draining or waterlogged soil.

As long as it’s planted in well-draining soil and not overly crowded, Japanese Forest Grass tends to stay happy and healthy—just one more reason it’s a shade garden favorite!

Wit and Wisdom

  • Japanese Forest Grass (Hakonechloa macra) is the only species in its genus, part of the Poaceae (grass) family.
  • It’s often called Hakone grass, named after Mount Hakone in Japan.
  • Native to cool, mountainous regions of Japan.
  • The gracefully arching blades are said to resemble a gentle waterfall.
  • Safe to plant near black walnut trees, as it’s tolerant of juglone.
  • In autumn, the foliage transforms into shades of gold, copper, or reddish pink, adding rich seasonal color.
  • Award-winning cultivar ‘Aureola’ was named Perennial Plant of the Year in 2009 by the Perennial Plant Association.
  • In traditional Japanese gardens, it’s often used to create a sense of movement and tranquility, mimicking flowing water.

About The Author
Samantha Johnson

Samantha Johnson

Author and Gardening Contributor

Samantha Johnson is an award-winning author and gardening expert with over 20 years of experience cultivating heirloom vegetables and sharing her passion for rural living.She combines her deep knowled...