How high can tree pollen rise above the tree?

As far as how high into the air the pollen can rise will depend on the strength of updrafts in you location and the altitude for your city. Los Angeles as an example is at sea level but the humidity level is relatively low, as is the average amount of rainfall. As a result, the pollen levels are relatively low. read more

When one's in your own yard, it could expose you to 10 times as much pollen as a tree down the street. Tips to Manage Your Allergy. Get tested. It's important to know which trees trigger your allergies. Once you do, you can figure out how to minimize your exposure to their pollen. Avoid contact. It’s simple: Stay inside when pollen counts are high. read more

Also, just because an apple tree may be a poor pollinator doesn’t mean that it would make for a poor apple producer. Your apple tree may only need to be able to accept the pollen of another carefully-selected variety of apple or crabapple tree in order to produce fruit. read more