By: Thomas Leo Ogren
266 pages, Col illus
With allergy problems reaching epidemic levels, horticulturist Tom Ogren set out to investigate the role that urban landscaping plays in this health crisis. What he discovered was startling: The vastly disproportionate cultivation of all-male plant varieties produces large amounts of intensely irritating airborne pollen. This extensively researched reference helps gardeners and landscapers make landscaping choices that can drastically reduce their exposure to harmful allergens.
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