Horticultural Myths

http://www.puyallup.wsu.edu/~Linda%20Chalker-Scott/Horticultural%20Myths_files/index.html Looking for the newest myth-information? Check out our blog The Garden Professors. You'll find science-based information from four horticultural professors from around the country.  Fertilizers Bone meal Fertilizer injection Foliar fertilizers Phosphate Part 1Part 2: Roses and phosphate Part 3: Red leaves and phosphate Seaweed extracts How plants work Antitranspirants Cold hardiness and magnesium/potassium Drought-tolerant plants Invasive species Leaf wilt and water Light and flowering Mycorrhizae Plant size and nursery tags Thigmomorphogenesis Topping young trees Maintaining trees and shrubs Disinfecting pruning tools Irrigation and dormancy Native plants Plant quality Pruning new transplants Tree topping Vibration and soil compaction Water drops and sunlight Wound dressings Mulches Bark and sawdust Dust mulches (Literature) Landscape fabric Newspaper and cardboard sheet mulches Rubber mulch Wood chips Arborist wood chips (Literature) Cedar woodchips Uncomposted wood chips Yard waste Pesticides Bacillus thuringiensis (Bt) (Literature) Baking soda (Literature) Botanicals Compost tea Part 1Part 2  Part 3 (EPA statement about pesticidal use of compost tea) Part 4 (Literature) Corn gluten meal Glyphosate Harpin Horticultural oils (Literature) Milk sprays Planting techiques Aeration tubes Instant landscaping Nursery brochures Pressure treated lumber Root balls, part 1 Root balls, part 2 Staking Timing of planting Vitamin B-1 Wire baskets Scientific literacy Biodynamics Companion plants Credible information Ecoterrorism Old horticulturalist tales Organic superiority Soil amendments Coffee grounds (Literature) Container drainage Epsom salts (Literature) Gypsum Organic matter Part 1 Part 2: Compost  Part 3: Nutrient overload Part 4: Water quality issues Peat moss Polyacrylamide gels Part 1  Part 2  Part 3 (Literature) Sand A recently transplanted tree that failed due to following a horticultural myth. The native soil was removed and replaced with organic matter, leading to drought and other stresses that killed the tree (L. Chalker-Scott).