Reed Canary Grass
Phalaris arundinacea
Picta
About this plant
Reed Canary Grass is a tall, perennial grass known for its dense, upright growth and attractive green leaves often striped with white or yellow in some cultivars. It is commonly used for erosion control, ornamental purposes, and as forage. It spreads quickly through underground rhizomes and can form dense stands.
Taxonomy
- Genus
- Phalaris
- Family
- Poaceae
- Higher classification
- Order Poales
- Plant type
- Perennial
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Europe, Asia, North America
- Distribution
- Widely distributed across North America, Europe, and parts of Asia; commonly found in wetlands, riverbanks, and moist meadows.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing
- Watering frequency
- Moderate
- Watering interval
- 3–7 days
- Humidity
- Normal
- Minimum
- -30 °C
- Maximum
- 35 °C
- Optimal
- 15-25 °C
- USDA hardiness zones
- 3-9
- Soil pH
- 6.0-7.5
- Soil type
- moist, well-draining loam or clay
Watering. Keep soil consistently moist, especially during establishment. Once established, it tolerates occasional dry periods but grows best with regular watering.
Fertilizing. This grass generally does well without much fertilizer. If growth slows, a balanced fertilizer applied in spring can help boost growth.
Phalaris arundinacea is a tough, fast-growing grass that adapts well to many conditions. It prefers moist soil but can tolerate some drought once established. It requires minimal maintenance but can spread aggressively if not controlled.
Propagation
- Propagation methods
- Seeds, Division, Cuttings
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Tall, upright grass with green leaves sometimes variegated; produces feathery flower heads in summer.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Potentially invasive
Generally non-toxic but can cause mild digestive upset if eaten in large amounts by pets or livestock.
Allergy information
- Allergy risk
- Moderate
- Allergy triggers
- Pollen
- Pollen level
- Moderate
Phalaris arundinacea can produce pollen that may cause allergic reactions in sensitive individuals, especially during its flowering season. People with grass pollen allergies might experience sneezing, runny nose, or itchy eyes. To reduce exposure, avoid being near the plant when it is flowering and keep windows closed during high pollen times.
Common problems
If overwatered or planted in very dry soil, it may become weak or die back. It can become invasive and crowd out other plants if not managed properly.
Uses
Used for erosion control, ornamental landscaping, and forage for animals. Its dense growth helps stabilize soil in wet areas.
Notes
Because it spreads aggressively via rhizomes, regular trimming or root barriers may be needed to prevent it from overtaking garden areas. It can be grown indoors in large containers with sufficient light but is more commonly an outdoor plant.