The illustrated growing guide
Feather Reed Grass
Calamagrostis × acutiflora 'Karl Foerster'
Family Poaceae
Est. zones 4-9
The metronome of modern landscape design — perfectly vertical wheat-gold wands that move in every breeze and stand through snow. Clay-proof, sterile, formulaic in the best way: plant in threes, cut once a year.
Full Sun
Moderate water
Fast growth
From the print shop
Growing feather reed grass? Hang it.
Our Ornamental Grasses collection carries feather reed grass — Calamagrostis × acutiflora, print Nº 6, “Feather Reed Grass.”
16 designsfrom $21.99white or black groundmatte poster, unframed
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Overview
Will feather reed grass suit your garden, and what goes wrong.
Will it thrive where you are?
Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what feather reed grass actually needs.
Hardy inZones 4-9Feather Reed Grass at a glance
Common feather reed grass problems
- None
- Rust in wet years (cosmetic)
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Growing
Light, water, soil, propagation and the season’s jobs.
How to grow feather reed grass: light, water & soil
How to plant & propagate feather reed grass
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The year
What feather reed grass asks for, month by month.
The feather reed grass year, month by month
BloomPruneWhat each band means
- Bloom — flowers open — pollinators working, frost on blossoms is the danger.
- Prune — shape it now — cuts heal cleanly and structure is visible.
The feather reed grass year as text
- Jan bloom
- Feb bloom, pruning
- Mar pruning
- Apr quiet month
- May quiet month
- Jun bloom
- Jul quiet month
- Aug quiet month
- Sep quiet month
- Oct quiet month
- Nov quiet month
- Dec bloom
These are the species' typical months — expect them a few weeks earlier in warm zones and later in cold ones. Watch the plant, not just the calendar.
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Ecology & uses
What it does for the garden, and what it is grown for.
Feather Reed Grass in the garden system
- Herbaceous layer grass
What feather reed grass is grown for
✓ Not known to be toxic
Edibility, identification, and traditional-use notes here are general reference — not medical or veterinary advice, and not a claim that any plant treats or prevents anything. Medicinal ratings record how strongly a plant features in herbal tradition, nothing more. Never eat or dose a plant you have not positively identified. More on how to use this library.
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Cultivars
Named varieties of feather reed grass, ruled as a catalogue.
Best feather reed grass varieties & cultivars
'Karl Foerster' (Perennial Plant of the Year, the vertical standard); 'Overdam' (variegated)
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Sources & plant ID
Where the care distinctions come from, and how the plant is filed.
Research basis
Sources behind this profile
No extension citations are attached to feather reed grassyet. The care figures below come from the library's own catalogue rather than a traced primary source.
Plant ID
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Where to buy
Third-party nurseries — not Story Thyme Farms.
Third-party nurseries, not Story Thyme Farms. Prices are theirs.
Story Thyme Farms may earn a small commission from these links, at no cost to you — it never changes what we recommend.
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Questions
Feather Reed Grass questions, answered straight.
Is feather reed grass safe for kids and pets?
Feather Reed Grass is commonly eaten and isn't considered toxic, but "commonly eaten" isn't a guarantee for any particular person or animal — allergies, quantity, and which part you eat all matter. Never eat a plant you haven't positively identified, and check with a vet before letting pets or livestock graze anything new.
How do you propagate feather reed grass?
Division or seed.
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Elsewhere
Where feather reed grass sits in the library.
Sunflower
Zinnia
Peony
Daylily