In Canada, the largest concentration of tree pollen is released between mid-March and mid-June. Wet weather may provide some relief by clearing away pollens, but may initially exacerbate allergies by bursting pollen particles, spreading allergens farther.1
Track local pollen levels by following REACTINE® on Twitter at @ReactineCA.
Common Pollinators
Maple
Sugar Maple2
Where: Manitoba to Nova Scotia
When: September-October
Red Maple3,4
Where: Great Lakes Region
When: March – April
Douglas Maple5,6
Where: Western Canada
When: August – September
Willow
Peachleaf Willow7
Where: BC to Quebec
When: April – May
Birch
White Birch8
Where: All provinces and territories except Nunavut
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