Calamagrostis acutiflora Karl Foerster · Poaceae

Feather Reed Grass

✅ Pet-friendlyPerennial, remaining green throughout the year.90 to 150 cm

LightFull sun

WaterModerate watering

DifficultyEasy

ColdTolerates prolonged negative temperatures.

Full sunModerate wateringEasyTolerates prolonged negative temperatures.

Description & origin

Calamagrostis acutiflora 'Karl Foerster' is a fast-growing ornamental grass. It features tall, narrow stems with feathery flower spikes that change color throughout the seasons. It's a popular choice for gardens due to its resilience and beauty.

Size

Can reach up to 150 cm in height, ideal for creating natural dividers.

Foliage

Evergreen foliage that remains green year-round.

Flowering

Blooms in summer with decorative flower spikes.

Detailed care

Light

Prefers full sun for optimal growth.

Soil

Adapts well to well-drained, fertile soils.

Watering

Requires moderate watering, keeping the soil slightly moist.

Temperature

Handles cold well, ideal for temperate climates.

Fertilising

Fertilize in spring with a balanced fertilizer to promote growth.

Repotting

Transplant in spring or autumn, ensuring enough space for growth.

Pruning

Cut back dead stems in late winter to encourage new growth.

Propagation

Easily propagated by division in spring or autumn.

Common problems

Rust

Can occur in high humidity conditions, causing spots on leaves.

Powdery mildew

Fungus that causes a white powder on leaves, common in humid environments.

Root rot

Occurs in poorly drained soils, leading to root decay.

Uses & curiosities

In the garden

Creating natural dividers
Attracting wildlife
Structural element in flower beds

Other uses

Ideal for low-maintenance gardens

Did you know…

This plant was named after the famous German horticulturist Karl Foerster. It is known for its ability to remain upright even in strong winds.