Calamagrostis × acutiflora 'Karl Foerster'
Upright feathery golden plumes
Grown by Mike's perennial specialists
UK
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Plant diary
- Flower
- Harvest
Calamagrostis × acutiflora 'Karl Foerster'
- Make a phenomenal, highly contemporary architectural statement with the strictly upright, towering, feathery flower plumes of this multi-award-winning ornamental grass.
- Calamagrostis x acutiflora 'Karl Foerster' produces spectacular, purplish-pink summer blooms that age beautifully into a glowing, golden-wheat color by autumn.
- This calamagrostis is exceptionally early to emerge and flower, providing brilliant, high-impact vertical structure months before other ornamental grasses get going.
- It is incredibly tough, highly drought-resistant, and maintains its sharp, rigid, upright habit through rain and wind, requiring absolutely zero staking.
- Providing outstanding, persistent winter interest, it is the absolute ultimate, low-maintenance choice for modern, prairie-style, and minimalist garden designs.
What to expect
Supplied as
Eventual height
Eventual spread
Flower colour
Habit
Hardiness
Will this grow in my garden?
Can I grow this in a pot?
Yes, Calamagrostis × acutiflora 'Karl Foerster' needs a heavy 40cm wide pot to stop it blowing over.
How big does it get?
Calamagrostis × acutiflora 'Karl Foerster' typically reaches a mature height of 150 cm and a spread of 60 cm.
How much sunlight does this need?
Calamagrostis × acutiflora 'Karl Foerster' requires full sun for at least 6 hours a day.
What kind of soil does this plant prefer?
Calamagrostis × acutiflora 'Karl Foerster' prefers moderately fertile, well-drained soil.
How much watering does this plant need?
Calamagrostis × acutiflora 'Karl Foerster' needs about 2.5 centimetres of water per week, keeping the soil evenly moist.
Will this plant need pruning?
Calamagrostis × acutiflora 'Karl Foerster' requires pruning in late winter or early spring. Cut the old stems back to around 10 to 15 centimetres from the ground before new growth appears.
How hardy is this plant?
Calamagrostis à acutiflora 'Karl Foerster' is fully hardy (H6), tolerating temperatures down to -15°C to -20°C. It is robust and grows reliably in all regions of the UK.
The wider garden
UK
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