An estimated 27 million alder trees will bloom in the near future. That means hay fever alert if you are allergic to alder pollen.
The peak is expected around February 6. Perhaps it is not the first time this season that you suffer from hay fever. The hazel has been blooming since Christmas and a lot of people have been bothered by that recently.
How do you know if you have hay fever or a cold? Compare the symptoms.
