Turn your home’s exterior into the envy of the neighborhood with Suntek Residential Landscape for you!

Turn your home’s exterior into the envy of the neighborhood with Suntek Residential Landscape for you!

What is Japanese Blood Grass?

Japanese Blood Grass, scientifically known as Imperata cylindrica ‘Rubra’, is a perennial grass native to East Asia. It is commonly grown for its striking red foliage, which adds a vibrant touch to any garden or landscape. This ornamental grass is highly sought after for its unique appearance and ability to thrive in various growing conditions.

Appearance and Growth Habits

Japanese Blood Grass is characterized by its upright growth habit and narrow, arching leaves. The leaves are green at the base and gradually turn red towards the tips, creating a stunning contrast. The grass can reach a height of 2 to 3 feet, with the foliage spreading out in clumps. In late summer, Japanese Blood Grass produces feathery, reddish-brown flower spikes that add further visual interest to the plant.

Planting and Care

Japanese Blood Grass is relatively easy to grow and care for, making it a popular choice among gardeners. It thrives in full sun to partial shade and prefers well-drained soil. This grass is adaptable to a wide range of soil types, including sandy, loamy, and clay soils. However, it is important to ensure that the soil is not overly wet, as this can lead to root rot.

When planting Japanese Blood Grass, it is recommended to space the plants about 18 to 24 inches apart to allow for proper growth and airflow. Regular watering is essential during the establishment period, but once established, the grass is relatively drought-tolerant. It is also important to remove any weeds or competing plants from the vicinity to prevent them from overtaking the grass.


Japanese Blood Grass can be propagated through division or by collecting and sowing the seeds. Division is the most common method and is typically done in early spring or fall. To divide the grass, carefully dig up the clump and separate it into smaller sections, ensuring that each section has roots and foliage. Replant the divisions in their desired location, making sure to water them thoroughly.

If propagating through seeds, collect the mature seeds in late summer or early fall. Sow the seeds in a well-prepared seedbed and cover them lightly with soil. Keep the soil consistently moist until the seeds germinate, which usually takes about 2 to 3 weeks. Once the seedlings have grown to a suitable size, they can be transplanted to their permanent location.

Uses in Landscaping

Japanese Blood Grass is highly valued for its ornamental qualities and is often used in landscaping to add color and texture. Its vibrant red foliage provides a striking contrast to other plants and can be used as a focal point or to create visual interest in borders, rock gardens, or containers.

Additionally, Japanese Blood Grass is commonly used in mass plantings or as a ground cover to create a dramatic effect. Its clumping growth habit and spreading nature make it an excellent choice for filling in bare areas or creating a lush, low-maintenance landscape.

Benefits and Considerations

Aside from its aesthetic appeal, Japanese Blood Grass offers several benefits in the garden. It is a relatively low-maintenance plant that requires minimal pruning or fertilization. Its ability to tolerate a wide range of growing conditions makes it suitable for various climates and soil types.

However, it is important to note that Japanese Blood Grass can be invasive in some regions. Its rhizomatous roots can spread quickly and crowd out native plants if not properly managed. To prevent its spread, it is recommended to regularly monitor and control the growth of the grass by removing any unwanted shoots or rhizomes.

Pests and Diseases

Japanese Blood Grass is generally resistant to most pests and diseases. However, like any plant, it can still be susceptible to certain issues. Common pests that may affect Japanese Blood Grass include aphids, grasshoppers, and spider mites. Regular inspection and appropriate pest control measures, such as insecticidal soap or neem oil, can help prevent and manage infestations.

In terms of diseases, Japanese Blood Grass is relatively resilient. However, it can occasionally be affected by fungal diseases, such as leaf spot or rust. Proper watering techniques, adequate spacing, and good air circulation can help minimize the risk of disease and ensure the overall health of the grass.

In Conclusion

Japanese Blood Grass is a stunning ornamental grass that adds a touch of vibrancy to any garden or landscape. Its unique red foliage, upright growth habit, and adaptability make it a popular choice among gardeners and landscapers. With proper care and maintenance, this grass can thrive and provide years of beauty and enjoyment.