Juglans hindsii hindsii" x "Juglans regia"). "Paradox" rootstock is a hybrid, produced from a Northern California black walnut tree pollinated by an English walnut. The Northern California walnut is cultivated by specialty California native plant nurseries. It is used as an ornamental tree in traditional and wildlife gardens, and for habitat gardens, natural landscaping projects, and climate compatible drought tolerant gardens. The tree is also planted in habitat restoration projects. The wood of "Juglans hindsii" is commonly called claro walnut by the lumber industry and woodworkers. It is highly figured with a rich brown color and striking grain patterns, especially in the
Fruit tree pruning and training can also prevent later injury from weak crotches or forks (where a tree trunk splits into two or more branches) that break from the weight of fruit, snow, or ice on the branches. Some sustainable agriculture or permaculture personalities, such as Sepp Holzer and Masanobu Fukuoka, advocate and practice no-pruning methods, which runs counter to the widespread confidence in the idea that pruning produces superior results compared with not pruning. Many books about fruit-growing assert advantages and disadvantages of pruning or not pruning, although without randomized controlled trials, it is hard to separate theorizing and traditional knowledge from