Japanese forest grass, also known as Hakone grass or Hakonechloa, is a stunning addition to any garden, hedge, or yard. Its perennial beauty can be further enhanced by carefully selecting companion plants that not only complement its aesthetic appeal but also thrive in similar conditions. In this article, we will explore the top 10 Japanese forest grass companion plants that serve both a practical and visually pleasing purpose for your outdoor space.
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Finding the Perfect Companions for Japanese Forest Grass
Japanese forest grass is relatively low-maintenance, yet particular about its sunlight and soil preferences. To ensure a harmonious garden, it’s essential to choose plants that share the same living requirements. The following companion plants offer a range of options, including flowering plants, shrubs, and trees, allowing you to create a stunning and cohesive landscape design that suits your preferences and desires.
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1. Black Pine Trees
Black pine trees and Japanese forest grass have a long-standing association in Japan for good reason. These trees provide the grass with adequate sun and shade, while their falling needles enrich the soil with essential nutrients. While it may take time for the tree to reach maturity, the black pine is an excellent choice if you’re looking to transform your yard.
- Mature Size: Although black pines can grow over 100 meters tall, they typically don’t reach such heights outside of Japan.
- Flowering: Black pine trees are typically planted in the spring.
- Key Features: With age, black pines develop a flat top, boasting dark gray or black bark and vibrant green pine needles.
2. Hellebores
Hellebores are gorgeous perennial flowers that bloom during late winter and early spring, providing consistent greenery throughout the year. Their presence helps deter animals, ensuring your Japanese forest grass remains untouched by deer or rabbits.
- Mature Size: When fully grown, hellebores can reach heights of one to two feet, spreading just as wide.
- Flowering: Hellebores can be planted during late fall or early spring.
- Key Features: These colorful flowers display petals that curve inward, sitting atop long, green stems.
3. Geraniums
Geraniums are hardy and easy to care for, making them an ideal companion for Japanese forest grass. With a variety of colorful flowers and lush greenery, they add vibrancy to any garden. Additionally, geraniums contribute to the protection of your grass by repelling common pests and illnesses.
- Mature Size: The mature size of geraniums varies, ranging from four to 48 inches in height.
- Flowering: Plant geraniums once the final frost of winter has passed.
- Key Features: Geraniums sport bundles of green leaves with colorful flowers, available in shades of red, pink, purple, and more.
4. Rhododendrons
Rhododendrons thrive in the same type of soil as Japanese forest grass and offer shade when needed. Planting them alongside the grass creates a beautiful border, further enhancing your garden’s overall aesthetic appeal. From a distance, the rhododendron shrub can even resemble the beauty of a cherry blossom tree.
- Mature Size: Mature rhododendrons can reach heights up to 25 feet.
- Flowering: Spring is the optimal season for planting this shrub, although specific varieties may have different preferences.
- Key Features: Rhododendrons boast large branches with green leaves and flowers ranging from purples to reds.
5. Columbine
For a burst of color in your garden, consider planting columbine flowers. Available in a wide range of hues, their delicate appearance complements the grass perfectly. Moreover, these flowers attract hummingbirds, contributing to the pollination of your garden, which is beneficial for overall plant health.
- Mature Size: When mature, columbine plants can grow one to two feet tall.
- Flowering: Columbine flowers can be planted in early spring or fall, depending on specific conditions.
- Key Features: Columbine plants feature several colorful flowers with small, rounded petals.
6. Coral Bells
Coral bells not only add vibrant colors to your garden but also attract beneficial pollinators. With different varieties available, you can choose from dark purple leaves or stalks adorned with purple flowers. The contrasting hues of coral bells and Japanese forest grass create a truly spectacular visual impact.
- Mature Size: Coral bells can grow between eight and 18 inches tall.
- Flowering: Plant coral bells in late fall or early spring.
- Key Features: Coral bells grow in circular clusters, featuring tall and slender stems adorned with small bell-shaped flowers.
7. Hare’s Foot Fern
Hare’s foot fern thrives in the same conditions as Japanese forest grass, making them ideal companions. With their downward-curving leaves and blades, these plants create a visually appealing harmony. Hare’s foot fern also spreads close to the ground, providing cover that keeps the soil moist.
- Mature Size: When fully grown, hare’s foot fern can reach heights between six and 24 inches.
- Flowering: Plant hare’s foot fern in the spring.
- Key Features: Resembling the shape of hare’s feet, these plants boast feathery leaves, ranging in color from green to yellow to brown.
8. Hostas
Hostas are adaptable and easygoing plants that complement Japanese forest grass nicely. With an array of varieties available, you can find hostas in shades of green, red, and blue, each offering shade when necessary. Adding hostas to your garden creates a textured and visually appealing environment.
- Mature Size: Depending on the variety, hostas can grow between six and 48 inches tall, spreading up to six feet wide.
- Flowering: Plant hostas in the spring or fall, once the summer weather conditions have passed.
- Key Features: Hostas feature large, waxy leaves and come in various shades, offering a stunning visual display.
9. Astilbes
Astilbes not only add interesting contrast and color to your garden but also thrive in similar growing conditions as Japanese forest grass. You can choose from a variety of shades, including pink, purple, and red, creating a visually captivating display.
- Mature Size: A mature astilbe can range from one to four feet tall.
- Flowering: Plant astilbes during spring or fall.
- Key Features: These breathtaking plants produce tall bundles of colorful flowers, adding vibrancy to your garden.
10. Holly Fern
Holly fern, a stunning evergreen plant, can serve as filler around your Japanese forest grass or make a bold statement when planted in clusters. Similar to the grass, holly fern thrives in shade and enjoys the same soil conditions. Together, they create a beautiful garden setting.

- Mature Size: Holly fern typically reaches a height of two feet when fully grown.
- Flowering: Spring is regarded as the ideal season for planting holly fern.
- Key Features: Holly ferns feature tall branches adorned with small green leaves, reminiscent of holly leaves.
Summary
Choosing the right companion plants for your Japanese forest grass can significantly enhance the beauty and harmony of your garden or yard. By selecting plants that offer shade or share similar growth preferences, you can create a unique and visually stunning landscape. With a combination of textures, varying heights, and complementary colors, your garden will flourish with vitality and elegance.
Remember, when selecting companion plants, consider both their aesthetic appeal and their ability to thrive alongside Japanese forest grass. By combining these factors, you can create a stunning garden that brings joy and tranquility to your outdoor space.
Source: https://magnetmix.com
Category: Discovery