Phosphorus (P) is an essential plant nutrient, but it is also a potential pollutant. Phosphorus fertilization helps maintain healthy lawns growing in P-deficient soils, but P runoff into lakes and st ...
Trees and shrubs form the backbone of any well-designed landscape. Unfortunately, problems associated with root systems often doom the trees and shrubs in our landscapes to failure.
Pollination is a critical process that most plants need to set seeds and produce fruit. Understanding pollination ecology is important for both commercial growers and home gardeners; however, this pu ...
Practical and inexpensive, rain barrels collect rooftop runoff and can extend irrigation during drier spells. But what’s in the water? This pub examines that question using the latest research.
This substantially updated publication explains the various types of specialized plant structures that can be used to grow new plants. Individual reproduction requirements and options are detailed, an ...
Walnut trees are popular among homeowners in the Pacific Northwest and, as such, provide quite a lot of habitat for pests. The most frequent pest problem encountered in producing walnuts in the backya ...
This publication describes three systems (burying canes in a V-trench, J-system training, and spur-pruned rose training) that may help prevent grapevine injury from winter freezes, which reduce fruit ...
Selecting and using the correct equipment to prune trees and shrubs makes a pruning job quicker, easier, and safer for home gardeners. This fact sheet discusses the various types of pruning equipment, ...