When is ragweed season?



  1. 0 Votes

    Ragweed season is mid-August to October.

  2. 0 Votes

    Ragweed Season begins around the Summer Solstice (June 21st) and lasts until the first frost.  However, due to climate change, Ragweed Season is getting longer and longer: the warmer climate is condusive to the growing of Ragweed, and its resulting pollen which causes widspread allergies in humans.

  3. 0 Votes

    Traditionally Ragweed season starts the first week of August but it officially starts when it reaches 10/m3. This year the ragweed season started on August 4th. (2011)

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