Invasive phragmites (Phragmites australis) has the potential to establish and expand in Strathcona County. It is a Eurasian plant that has been moving west from eastern Canada.
How to identify phragmites
- Tall reed like plant known as the European common reed.
- Grows in shallow water at a wetlands edge.
- Prefers saline conditions and disturbed soils.
- Spreads quickly by seeds, rhizomes or stolon(root like stems)
- Reaches heights of 5 metres with 200 stems per metre sq.
- Grows fast and chokes out native species by releasing toxins from it’s roots.
- Becomes a fire hazard in large dense stands and blocks motorist sightlines in ditches.
- Has no natural predators in Canada.
Identification and prevention are key.
- Remove all visible portions of the plant and dispose of them in the garbage - do not compost
- Backhoe excavated in ditch areas
- Limited herbicide control by commercial operators
- Gardeners should only use native or non-invasive plants
Report any suspect plants to Transportation and Agriculture Services at 780-417-7100.