Photo: no rights reservedCC0 1.0via iNaturalist
Korean Feather Reed Grass Plant Care
Calamagrostis brachytricha Steud.
Updated · Sources · How we source care data
Calamagrostis arundinacea is a species of bunch grass in the family Poaceae, native to Eurasia, China and India. Under its synonym Calamagrostis brachytricha it has gained the Royal Horticultural Society's Award of Garden Merit.
Every 7–14 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Korean Feather Reed Grass?
Water Korean Feather Reed Grass every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.
What Is the Korean Feather Reed Grass?
Korean Feather Reed Grass (Calamagrostis brachytricha) belongs to the Poaceae family within the Calamagrostis genus. Korean Feather Reed Grass is native to Eurasia, China and India. Korean Feather Reed Grass is also known as Feather Reed Grass.
Korean Feather Reed Grass displays a clump-forming grass growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Korean Feather Reed Grass produces feathery flower heads in summer.
Leaf size: approximately 12 inches.
How Often Should You Water a Korean Feather Reed Grass?
Calamagrostis brachytricha requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–14 days
Let soil partially dry between waterings
What Light Does the Korean Feather Reed Grass Need?
Korean Feather Reed Grass thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Korean Feather Reed Grass Prefer?
Calamagrostis brachytricha grows best at temperatures of 50–80°F. Korean Feather Reed Grass prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Korean Feather Reed Grass?
Well-draining loamy soil with good organic content. Good drainage is essential for Korean Feather Reed Grass to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Korean Feather Reed Grass?
Feed Korean Feather Reed Grass every 8 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 8 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Korean Feather Reed Grass?
Divide clumps every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Korean Feather Reed Grass?
Korean Feather Reed Grass can be propagated through division, seed sowing. Similar propagation techniques also apply to feather reed grass plant care, which shares the same genus.
Is the Korean Feather Reed Grass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Korean Feather Reed Grass, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Korean Feather Reed Grass?
Korean Feather Reed Grass is susceptible to aphids, grasshoppers, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Korean Feather Reed Grass Need?
Korean Feather Reed Grass grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Korean Feather Reed Grass is native to Eurasia, China and India. In cooler regions, grow Korean Feather Reed Grass as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Korean Feather Reed Grass is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Calamagrostis genus — compare its care with other Calamagrostis species on PlantoScan.
Calamagrostis is part of the Poaceae plant family — browse all Poaceae genera and species.
Korean Feather Reed Grass thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Calamagrostis brachytricha Steud., family Poaceae (first published in Syn. Pl. Glumac. 1: 189 (1854)) — World Flora Online record, IPNI name record, Wikidata.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Korean Feather Reed Grass, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: Public domain, CC0 1.0, iNaturalist — original.
- Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
Identify Plants Like the
Korean Feather Reed Grass Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species