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To: TimF who wrote (70511)	4/15/2010 2:07:37 PM
From: Jacques Chitte	Respond to of 71178

As an allergy sufferer it bugs me that "allergenic" seems to be equated with "much pollen". I sense bad logic. I wonder if this author can support that these mentioned trees create much of the allergy load, and how much per species. I have a sharp allergy spike this time of year in CA. The cars are yellow with pine pollen. However it is the dust-fine and invisible grass pollen (which is present at the same time) that gets me. So pine pollen, while the obvious allergy marker, is actually benign. I am not allergic to oak, but others in my family are. I get the feeling that this author uses "allergenic" as an all-purpose rhetorical device, the way the terms "toxic" or "genetically modified" have become current ways of calling something unclean. I contend that it is not remotely that simple. cheers js

To: TimF who wrote (70511)	4/21/2010 11:15:55 PM
From: Ilaine	Read Replies (1) \| Respond to of 71178

We have red oaks, white oaks, red maples, sugar maples, tupelo, holly, cherry, magnolia, and various smaller trees and shrubs. The pollen load this year has been enormous, perhaps due to a lot of rain and unseasonably warm weather. Yellow, green and white dust-like pollen everywhere. For me, no allergies this year. Nor for my husband, who usually reacts to tree pollen. Maybe because the air has been full of moisture, so the pollen components don't aerosolize? It would be nice if urban tree planners were more sensitive to allergies and so forth. I have been dithering for about a year as to whether to plant a ginko tree or not. It successfully weathered the past very hard winter in just a small pot. Seems quite hardy.