Carl Foerster

Calamagrostis × acutiflor 'Karl Foerster'

Growth Characteristics

As a perennial, it grows to a height of approximately 90–180 cm. This plant forms colonies with long, spreading rhizomes, and is characterized by long, upright flower spikes in the summer. It has high ornamental value from early spring to late autumn, and its leaves, which turn green in summer and golden in autumn, are attractive.

Propagation Methods

It is primarily propagated by root division. Root divisions taken in spring or late autumn ensure successful establishment. While propagation by seeds is possible, root division is more common than seed propagation.

Cultivation Methods

It thrives in sunny locations and prefers well-drained soil. It has excellent adaptability to dry environments and shows optimal growth in well-drained soil. It adapts well to natural conditions even without special care and possesses strong tolerance once established.

Uses in Gardens

It is primarily used as a border plant or background plant. In addition, it is excellent for planting alongside flowering plants to create a rustic landscape or for use in ecological garden designs. Thanks to its upright structural characteristics and its ability to maintain beauty throughout the four seasons, it blends seamlessly into various garden designs.

Important Pests and Control Methods
It is relatively resistant to pests and diseases. However, caution is required as leaves may turn yellow in overly wet environments. Common garden pests can be prevented through proper control measures, and appropriate insecticides can be used if necessary. It is important to inspect the plant periodically to prevent the occurrence of pests and diseases in advance.

Plant Type
Plant Family	Poaceae
Height	90~180cm
Spread	30~60cm
Colors	yellow
Bloom Period	May to November
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Needlegrass 'Overdam'
Calamagrostis × acutiflora 'Overdam'

Needlegrass 'Aberranch'
Calamagrostis × acutiflora 'Avalanche'