To keep your lilacs looking their best, they need to be pruned, fertilized and shaped almost every year, soon after they are done blooming in the late spring.
An ecological approach to landscape design incorporates natural systems as an integral part of urban landscapes. It differs from conventional landscaping in that buildings, hardscape, and landscape are planned as a ...
Discusses how to identify and control Pacific poison-oak and western poison-ivy, and how to prevent exposure to the plants' oily substance, urushiol, which can cause an allergic contact dermatitis.
Brooke Edmunds, Lauren Grand, Alicia Christiansen, Andy Hulting |
Nov 2022 |
Extension Catalog publicationPeer reviewed (Orange level)
This publication will help in drawing a scale map, completing a site analysis, determining use areas, evaluating sustainability, and brainstorming layouts. Want to learn more? Take our online class! Unlike annuals ...
Poison oak plants contain a chemical that causes a severe rash. Learn how to spot a plant, safely remove, and clean your clothes, gear and skin afterward to prevent a rash.
Jun 2010 |
Article
Illustration by Eiko Goto. (Cropped from original)
Fruit trees and grapevines have been grafted for centuries but the grafting of vegetable plants is relatively new. It started in 1927 in Japan and has since grown to be a common practice with environmental benefits.
Toshihiko Nishio, Alice Formiga (editor and translator), Shinji Kawai (editor and translator) |
Jul 2018 |
Article
Q: I have a California lilac tree in my back yard. A thick root is underneath the pavers and lifting them up. Will I kill the tree if I cut out that root? I sure don’t want to kill it!