Gardening Resources
- WSU Master Gardener Program
- Gardening in Washington
- WSU Plant & Insect Diagnostic Laboratory
- WSU HortSense – Plant Problem Information
- WSU Pest Leaflets
- OSU Gardening Resources
Soil Testing
- Online database of soil testing laboratories
- Analytical Labs Serving Oregon
- Home Gardener’s Guide to Soils and Fertilizers
- Video: Home Soil Sampling
Weeds
Composting
Central Washington Home Orchard Spray Guide
The spray recommendations for home garden fruit trees have been updated for 2019. The list of PDFs below shows the suggested spray schedules for each tree crop.