Greenhouse Canada

News
Cloned trees fuel urban pollen count

March 26, 2012  By Randy Shore/Vancouver Sun


Mar. 26, 2012, Vancouver — Real estate developers and street tree programs that plant all-male varieties of trees may be driving pollen levels higher and exacerbating allergies, according to an American horticulturalist mapping urban trees across Canada. | READ MORE


Print this page

Advertisement

Stories continue below


Related