Ostrich reed (Calamagrostis Acutiflora)

What is Reed Grass?

Reed Grass, also known by the botanical name Calamagrostis Acutiflora, is a popular ornamental grass that has more than earned its place in both modern and classic gardens. This plant is known for its elegant, upright growth and airy flower spikes that sway gently in the wind. Reed Grass belongs to the grass family and is loved for its versatility, low-maintenance nature, and aesthetic value throughout all seasons. In landscape architecture, Reed Grass is often used in borders, along ponds, or as a natural divider due to the structure it provides. It combines beautifully with flowering perennials and adds a soft, natural look to the whole. Due to its robust nature, Reed Grass is an excellent plant for beginners. It requires little maintenance, is very hardy, and is not affected by common diseases or pests. In combination with perennials such as Echinacea, Rudbeckia, or Salvia, you can create beautiful compositions that remain attractive for months. In short: Reed Grass is an indispensable ornamental grass for anyone looking for a strong, elegant, and low-maintenance plant.

Calamagrostis Acutiflora Characteristics

The characteristics of Calamagrostis Acutiflora make this plant one of the most beloved ornamental grasses in the garden. One of the most striking features is its upright growth habit. While many other ornamental grasses droop gracefully, Reed Grass remains upright, creating a sleek and vertical line in the garden. This makes it an ideal plant for structure and balance in borders. The leaves are narrow and green, forming a graceful clump from which the stems shoot up in the spring. In the summer, the characteristic flower spikes appear: airy plumes that vary from light green to brownish-purple, and over time acquire a golden-yellow tint. Calamagrostis Acutiflora is a so-called 'cool season' grass. This means that it starts growing early in spring and reaches its peak in summer. The foliage remains attractive for a long time, even in autumn and winter. The grass is also highly resistant to wind and rain—a quality not all ornamental grasses possess. Furthermore, Reed Grass is hardy down to well below -20°C and has a lifespan of many years, making it a sustainable choice for any garden. Regarding soil, Reed Grass is undemanding. It grows well in nutritious, well-drained soil, but also copes well with sandy or clay soil. As for moisture, it prefers moderately moist soil, although it can also tolerate short periods of drought. Another advantage is that this plant is virtually unaffected by diseases or pests. This makes it a very reliable plant that provides a beautiful effect year after year, without intensive care.

Calamagrostis Acutiflora 'Karl Foerster'

One of the best-known cultivars within the species is Calamagrostis Acutiflora ‘Karl Foerster’. This cultivar is renowned worldwide for its excellent qualities and is often regarded as the ultimate ornamental grass for both private and public gardens. The name is a tribute to the German grower and garden philosopher Karl Foerster, who popularized this plant in the twentieth century. What makes this variety so special is the combination of robustness and elegance. ‘Karl Foerster’ has a very upright growth habit and reaches a height of approximately 150 to 180 cm, including flower spikes. Thanks to its steady structure, this cultivar is also perfect for creating rhythm in a border. Combine it, for example, with graceful flowers such as Echinacea, Persicaria, or Achillea for a colorful and dynamic border. It also comes into its own when combined with other ornamental grasses such as Pennisetum or Molinia. Moreover, ‘Karl Foerster’ is very low-maintenance. An annual pruning in early spring is sufficient to keep the plant healthy and beautiful. When doing this, you cut the old stems back to just above the ground to make room for new growth. Due to its strong characteristics, this plant is not only suitable for experienced gardeners but also ideal for beginners looking for an ornamental grass that guarantees success.

How tall does a Reed Grass get?

Reed Grass is an ornamental grass that excels in height and elegance. On average, the grass reaches a height of 150 to 180 centimeters, depending on soil conditions, location, and care. The height consists mainly of the flower spikes, which stand proudly above the foliage. This height makes Reed Grass ideal as a vertical structural plant in borders, alongside fences, or as a solitary element. Even in larger planting beds or public green spaces, this height comes into its own. The plant retains its height and shape, even in rain or wind, thanks to its sturdy stems. An excellent choice for those looking for height in the garden without planting a tree or shrub.

Calamagrostis Karl Foerster Location

The ideal location for Calamagrostis Karl Foerster is a spot in full sun or light partial shade. The sunnier the spot, the more compact and sturdy the plant grows. In too much shade, the plant may become somewhat limp and bloom less profusely. As for the soil, this ornamental grass is not picky: sandy soil, clay soil, or loam – anything is possible, as long as the drainage is good. Soil that is too wet or waterlogged can damage the roots in winter. When planting in pots, it is important to create good drainage using hydro granules or holes in the bottom. Although Reed Grass is reasonably drought-tolerant once established, a moist but well-drained soil is ideal. Light fertilization in the spring encourages healthy growth, but over-fertilization should be avoided to prevent limp stems. The plant likes some air around the roots, so avoid overly compacted soil. A layer of compost or leaf mulch can help retain moisture and improve soil structure.

Buy Reed Grass

Do you want to buy Reed Grass for your garden? Then you have come to the right place at Planten247. Planten247 offers a wide range of ornamental grasses, including the popular Calamagrostis Acutiflora ‘Karl Foerster’. This ornamental grass is available directly from stock and is carefully packaged to ensure you receive a strong, healthy plant upon arrival. Additionally, you benefit from fast delivery and expert service. Whether you are looking for a single plant for a small border or multiple specimens for a grand garden design – Planten247 is happy to help. Choose quality and convenience, and order your Reed Grass easily online. This way, you give your garden an instant stylish and natural upgrade!