Do trees give off a lot of pollen as soon as the weather first warms up?

I swear , I was sneezing like crazy this evening. And the temperature had risen to very spring like readings. So, I was wondering if the trees just give off pollen at the very first hint of Spring weather or not?





and is this all just automatic, just like ground temperatures influence when blooms begin?





Thanks for your answers!

Do trees give off a lot of pollen as soon as the weather first warms up?
You are right to assume that trees flower when the weather gets warmer. Usually they develop buds which stay closed until there is a couple of warmer days and then they open. Different types of trees open at different times although almost all of them open during the spring period. Male trees of course have huge amounts of pollen so it is very likely that if you are downwind of some flowering trees you will be affected.
Reply:Pollen comes from flowers. Got any flowers blooming?

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