Grass

Calamagrostis × acutiflora ‘Karl Foerster’

Feather Reed Grass 'Karl Foerster'
Award Winner Low Maintenance Hardiness H6

The upright Calamagrostis × acutiflora ‘Karl Foerster’ produces slender bronze flower spikes that fade to pale straw tones through summer. With its tufted clumps of narrow leaves, it provides structure and texture across the seasons. Awarded the RHS Award of Garden Merit, drought resistant, and low maintenance, it is especially appreciated in Irish prairie-style or modern planting schemes.
SKU: CAL-9CM-TP5P0N
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Flowering Months
Jan J
Feb F
Mar M
Apr A
May M
Jun J
Jul J
Aug A
Sep S
Oct O
Nov N
Dec D
Size
Max Height
1.0 m — 1.5 m
Max Spread
0.5 m — 1.0 m
Growth Habit
Forms dense upright tufts or clusters of leaves and stems.
Planting Position
Sunlight i Indicates how much direct sunlight the plant needs each day. Full sun means 6+ hours, part shade is filtered or morning sun, and full shade is little to no direct sun.
Full Sun Part Shade
Aspect i Aspect refers to the direction the planting spot faces (north, south, east or west). It affects light levels, warmth and exposure.
North South East West
Exposure i Exposure describes how sheltered or exposed a plant’s position is, particularly to wind and weather.
Exposed / Sheltered
Hardiness i Hardiness indicates how well a plant tolerates cold conditions outdoors. Higher ratings generally mean greater frost tolerance.
(−20 to −15 °C) Very cold-hardy
Ideal Soil Conditions
Soil Type i Soil type describes the texture of the soil (clay, sand, loam, chalk). This affects drainage, nutrients and how roots grow.
Chalk Clay Loam Sand
Soil Moisture i Soil moisture tells you how wet or dry the soil should be for best growth. Match this to your garden conditions for healthier plants.
Moist but permeable / Free draining
Soil pH i Soil pH measures how acidic or alkaline the soil is. It affects nutrient availability and can impact plant growth.
Acid Alkaline Neutral
Plant Uses & Merits
Uses
  • Architectural
  • Flower Borders
Merits
  • Generally pest-free
  • Low Maintenance
  • RHS | Award Of Garden Merit

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