Field ManualAll plants

Reed canary grass
Phalaris arundinacea
- Invasive
- Aggressive spreader
Pet & Human Safety
People: Not researchedPets: Not on the ASPCA lists as we read them
No ASPCA page exists for this plant, and NC State shows no pet tags. Not listed does not mean safe.
PlotAndPetal cannot tell you whether a plant you found can be eaten. Only someone who can see the plant can identify it.
Poison control
If someone has collapsed, cannot be woken, is having a seizure or has trouble breathing, call 911 now. For any other possible poisoning, call Poison Help: 1-800-222-1222.
Emergency number source: U.S. federal law (47 U.S.C. § 251(e)(3)), read 2026-10-07.
Naturalist Lore
Historical Background & Breeding Lore
The history of this plant and its name, and how it was bred, where we have them.
Get the app: coming soonCare
- Hardiness zones
USDA 4a-9b (NC State Plant Toolbox)
- Mature size
Height 2-5 ft, width 3-8 ft (NC State attributes); NC State's description says clumps can reach 6-9 ft. Both kept.
- Family
Poaceae (NC State)
- Where it comes from
Eurasia (NC State). NC State notes there are native canarygrasses; this weedy one is Eurasian.
How to prepare the soil, when and what to feed, and how and when to prune where that applies.
Get the app: coming soonAnatomy & Guilds
Botanical Anatomy & Characteristics
How the flowers and leaves are built and which pollinators visit, where we have them.
Get the app: coming soonField Doctor
Field Doctor
What can go wrong with this plant and what to do about it, where we have them.
Get the app: coming soonVintage Plates
Vintage Plates
Old botanical drawings from public libraries are in the app, for plants where we have them.
Get the app: coming soonSources
- NC State Extension Gardener Plant Toolbox, Phalaris arundinacea
- Ontario Invasive Plant Council, Grow Me Instead (2016), p.19
- ASPCA Toxic and Non-Toxic Plants (database index; no page for this plant)
- Maine DACF, Invasive Terrestrial Plants Do Not Sell list (01-001 CMR ch. 273)
- Ohio Administrative Code 901:5-30-01, Invasive plant species
- Indiana DNR, 312 IAC 18-3-25 Terrestrial Plant Rule summary
- Oregon Department of Agriculture, Noxious Weed Policy and Classification (2025)
- West Virginia DNR, Invasive Plant Species of West Virginia (April 2025)