Allergies, Asthma and City Trees Thomas Leo Ogren Some urban tree species cause an inordinate amount of asthma and allergy problems, while other tree species cause little or no health problems. A large part of the problem is that the arborists and landscape professionals, who plant these trees,

Avoiding Allergies by Use of the Right Native Plants in the Landscape Many of our most allergenic plants commonly used in landscaping in the United States and Canada are indeed natives. However, it is the manipulation of these plants by commercial horticulture that has, and is, causing most of the

Cottonwood "cotton" is flying/ Bad Company Ó Thomas Leo Ogren I originally saw the question below posted in an Internet gardening forum and decided to answer it. It was a question I'd been asked many times before and I knew my answer would be useful in an article on springtime allergies caused by

Recycle Cell Phones Technological advancements providing users with improved reception through integrated antenna systems, reduced size and weight of cell phones, along with numerous feature sets, and storage improvements have caused the bulk of cellular phone users and enthusiasts to upgrade to new

If there is one flowering plant that New Zealanders call their National Flower it is the Kowhai. It grows naturally throughout the dryer areas of New Zealand and because it is so popular it is planted in almost every garden. There are however 2 main species of Kowhai. Sophora tetraptera, North Island