University of Idaho - I Banner

Visit UI

Learn about the many reasons the University of Idaho could be a perfect fit for you. Schedule Your Visit

Student Life

Fill your college experience with memories and connections that will define you as an individual and empower you for a lifetime. Explore

Parents on campus during orientation

Parent Newsletter

Keep up on campus events and information involving your Vandal student. Sign Up

UI Retirees Association

UIRA has a membership of nearly 500 from every part of the University. Join Today

Flowers, Shrubs, and Ornamentals Publications & Resources

Fire-Resistant Plants for Home Landscapes > PDF
Lavishly illustrated with full-color photography, this booklet pictures fire-resistant ground covers, perennials, shrubs, and trees. It provides information on how homeowners can landscape their prope . . . . . more details
Order now >

Hardy Roses for Harsh Climates > PDF
Do you live in a cold high-elevation Idaho location? Don't worry. You can still have beautiful roses that will thrive. Stephen L. Love has tested dozens of rose varieties bred especially for harsh col . . . . . more details

Herbaceous Ornamentals: Annuals, Perennials, and Ornamental Grasses > PDF
How to obtain, plant, and care for flowers, grasses, and bulbs for the short-season garden. Includes detailed tables listing hardy annuals, perennials, bulbs and grasses suitable for short-season, hig . . . . . more details

How To Prune Coniferous Evergreen Trees > PDF
This publication offers information on pruning evergreen shade trees to prevent them from becoming sickly, unsightly, or hazardous. It covers pruning objectives, hiring a professional, timing of pruni . . . . . more details

Idaho Plant Quarantines and the Home Garden: Understanding the Laws > PDF
What farmers know but many home gardeners are just learning is that the shipping, sale, and planting of some 70 food crop or nursery species in Idaho are governed by state quarantine laws overseen by . . . . . more details

Landscaping and Utilities: Problems, Prevention, and Plant Selection > PDF
Without careful planning and plant selection prior to planting, trees and shrubs can become a nuisance and a dangerous and costly problem for homeowners and businesses. This publication has informatio . . . . . more details

Landscaping with Native Plants > PDF
Information on designing and establishing landscapes using plants that are native to the Intermountain West. Includes lists of trees, shrubs, vines, perennials, and grasses suitable for high desert lo . . . . . more details

Leaf Spot of Aspen and Poplar > PDF
This fact sheet for home gardeners covers symptoms, life cycle, and control measures for leaf spot, a common and occasionally serious disease of aspen and poplar trees caused by fungi in the genus . . . . . more details

Management of White Pine Weevil in Spruce > PDF
In the West the white pine weevil, Pissodes strobi, almost exclusively attacks spruce rather than pine trees. Of major concern to homeowners, nurseries, and landscape businesses, the weevil c . . . . . more details

Ornamental Grasses for Idaho Landscapes > PDF
Ornamental grasses are becoming irreplaceable landscape elements in many parts of the United States and are increasingly popular in Idaho. This 6-page publication lists the best grasses for Idaho's US . . . . . more details

Propagating Shrubs, Vines, and Trees from Stem Cuttings > PDF
Adding more greenery to your home landscape? Tired of buying so many trees and shrubs to do it? A possible alternative is to use stem cuttings from your current trees and shrubs to make more, a method . . . . . more details

Propagation of Plants by Grafting and Budding
This handbook is well illustrated with clear photographs and drawings. It covers terms used in budding and grafting, tools and materials, grafting and budding factors, kinds of grafts, budding methods . . . . . more details
Order now >

Selecting, Planting, and Caring for Trees, Shrubs, and Vines > PDF
Detailed tables and descriptions of a wide variety of trees, shrubs, and vines suitable for short-season, high-altitude regions. Also includes information on planting and caring for woody landscape pl . . . . . more details

Trees for Southwestern Idaho Landscapes: Selection and Irrigation > PDF
This publication will help you pick water-conserving trees for southwestern Idaho and plan a watering regime to keep your trees healthy while conserving water. A listing of water-thrifty deciduous and . . . . . more details

Watering Home Lawns and Landscapes > PDF
Learn how to conserve water in your landscape, including how to determine sprinkler application rate, how to decide how much to water and when, and how to use the feel and appearance method to judge w . . . . . more details


Local Information

select office to view website

University of Idaho Extension


Physical Address:
E. J. Iddings Agricultural Science Laboratory, Room 10
606 S Rayburn St

Mailing Address:
875 Perimeter Drive MS 2332
Moscow, ID 83844-2332

Phone: 208-885-7982

Fax: 208-885-9046



Barbara Petty