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Midwest Pollen Calendar 


Pollen Info


 

 MONTH 
 JanFebMarAprMayJunJulAugSepOctNovDec 
Trees            Weeds
Elm        
Oak        Scale
Birch      Russian Thistle
Alder       Dock/Sorrel
Maple      Lamb's Quarters
Cottonwood      Nettle
Sycamore       Ragweed
Ash        Kochia
Black Walnut        Careless/Pigweed
Mulberry       Cocklebur
Cedar, Juniper     Marshelder
Pecan      Sagebrush
        Plantain
Grasses              
Bermuda        
Ryegrass          
Timothy           
Meadow Fescue          
Johnson Grass         
Kentucky Bluegrass          
Smooth Brome             

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