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Canadian Grass Pollen Allergy Guide
What to Know
Grass pollen allergies are at their worst in Canada between mid-May to the end of July.1
Track local pollen levels by following REACTINE® on Twitter at @ReactineCA.
Common Pollinators
Bluegrass2,3
Where: All provinces and territories except Nunavut
When: May – August
Ryegrass4
Where: BC - Quebec
When: March – June
Bermuda5
Where: BC, Nova Scotia, PEI and Quebec
When: March – July
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