

At Heijnen Plants, we take pride in presenting Calamagrostis, an exquisite genus of reedgrass that originates from the vast meadows of Central to Eastern Asia. This non-evergreen grass is celebrated for its slender foliage, which paints the landscape in hues of green, and is often accentuated with attractive variegations of white. Throughout the seasons, reedgrass graces gardens with an array of flower plumes in colors ranging from brown to white, grey, yellow, and even subtle purples, adding a touch of elegance and height to any planting scheme. While it may not bear fruit or emit fragrance, Calamagrostis stands out for its structural beauty and the serene movement it brings to the garden space.
The genus Calamagrostis, commonly known as reedgrass, is a collection of grasses prized for their adaptability and aesthetic appeal in a variety of garden settings. These grasses are renowned for their feathery inflorescences that appear in late summer and exhibit an array of colors from soft purples to glistening silvers. With a wide range of uses from border accents to group plantings or even as a standout solitary feature, Calamagrostis species add texture and movement to the landscape.
Embrace the elegance of reedgrass, a stunning addition to any garden with its slender stems and feathery plumes that sway gracefully in the breeze. These ornamental grasses offer a striking vertical element, making them ideal for creating depth and contrast. Available in various cultivars, each with its unique charm, reedgrass is a plant that exudes both simplicity and sophistication.
We would like to provide some tips on how to plant and care for a Calamagrostis. By following these tips, you can be sure to enjoy your Calamagrostis for a long time.
For optimal growth, Calamagrostis should be situated in a location that receives full sun to partial shade. This genus is adaptable to a wide range of soil types but thrives best in soils that are well-drained. When considering a site for planting, ensure that the area offers sufficient space for the grass to reach its full stature and spread. This allows the distinctive flowering plumes room to sway gracefully in the breeze, adding movement and texture to the garden landscape. Regular watering will support its lush foliage and impressive blooms, particularly during the active growth season.
When planting Calamagrostis, select a location that provides sun to partial shade to accommodate its flexible lighting needs. The species thrives in various well-drained soils, allowing it to be incorporated into diverse garden designs, whether it be as a striking solitary feature or part of a cohesive border or group planting. Pot-grown specimens should be spaced adequately to ensure room for growth and air circulation. Upon planting, establish a regular watering schedule to meet the species' average water requirements, particularly important as it is not drought resistant. For optimal growth and health, the best planting times are during the cooler months of spring or autumn.
To ensure the robust growth and vibrant display of flower plumes, Calamagrostis should receive adequate nutrition throughout the growing season. It is beneficial to fertilize this species in the early spring as new growth emerges, using a balanced, slow-release fertilizer that can provide a steady supply of nutrients. A second application can be made when the growing season is at its peak to support the plant as it enters the flowering phase.
When applying fertilizer, distribute it evenly around the base of the plant, taking care to avoid direct contact with the foliage to prevent burn. Watering the plant after fertilizing will help to incorporate the nutrients into the soil, allowing the root system to absorb them more efficiently. An appropriate feeding schedule coupled with consistent watering will contribute to the ornamental grass's health and longevity.
Calamagrostis should be cut back in late winter or early spring before the new growth commences. Prune the grass down to approximately 10-20 cm from the ground to allow for fresh, vigorous shoots to emerge. This practice helps maintain an attractive shape and supports the health of the plant. Since the foliage and flowers add winter interest and texture to the garden, it's best to delay pruning until the end of the dormant season. Regular pruning also encourages denser, more robust growth in the upcoming season.
Calamagrostis requires consistent moisture to thrive, especially when establishing its root system in a new location. During the growing season, ensure the soil is kept evenly moist but well-drained to prevent waterlogging, which can be detrimental to the plant's health. Although this species is not drought-tolerant, once mature, it can endure occasional dry spells better. Nevertheless, during extended periods of drought, supplemental watering will be necessary to maintain its lush foliage and support its flowering period. Water deeply at the base to encourage deep root growth, which helps the plant become more resilient to changing moisture conditions.
Calamagrostis thrives with minimal care, yet it's worth noting that dividing the clumps every few years rejuvenates the plant and ensures robust growth. The species' tall, feathery plumes add an architectural element to garden landscapes and are particularly striking when backlit by the early morning or late afternoon sun. Furthermore, their undemanding nature makes them an ideal choice for creating low-maintenance, yet aesthetically pleasing, garden borders or as a graceful backdrop for shorter flowering plants.
To ensure the continued vigor and aesthetic appeal of this species, division is a recommended practice. Ideally performed in the spring or autumn, the process begins by lifting the plant from its location and carefully separating it into smaller sections. Each division should have a healthy amount of roots and shoots to ensure successful re-establishment. Replanting these sections into well-drained soil, whether under the full sun or partial shade, will not only promote new growth but also help maintain the plant's robust health. Regular division can also help control the size and spread of the plant in a garden setting.
Calamagrostis, with its graceful, feathery plumes and elegant upright form, is the perfect ornamental grass to add structure and movement to your garden. This plant thrives with minimal care, providing a stunning visual display that enhances any landscape design.