Oregon State University Extension Gardening
Publications specific to Pacific Northwest growing conditions
Access reliable, research-based gardening information through our curated collection of resources. From university Extension publications to online diagnostic tools, these materials represent the same sources our Master Gardener volunteers use to answer your gardening questions.
Land-grant universities across the country provide free, science-based gardening information through their Extension programs. These publications are written by university faculty and undergo peer review, ensuring accuracy and reliability.
When you cannot visit our Plant Clinic in person, these online tools can help you identify plant problems:
The UC Integrated Pest Management Program offers extensive resources on environmentally responsible pest management approaches.
Healthy soil is the foundation of a successful garden. Learn about soil testing, amendments, and composting to build fertile ground for your plants.
IPM combines cultural, biological, and chemical strategies to manage pests with minimal environmental impact.
Learn water-wise gardening techniques, native plant gardening, and environmentally responsible landscape practices.
From vegetable gardening basics to advanced techniques like succession planting and season extension.
Timing is everything in gardening. Extension gardening calendars provide month-by-month guidance for:
For deeper exploration of gardening topics, we recommend these authoritative books:
Gardening is widely recognized for its physical and mental health benefits. Spending time tending plants provides moderate exercise, stress reduction, and exposure to beneficial soil microorganisms. Research continues to explore how horticultural activities support overall wellness, from cardiovascular fitness to cognitive function in aging adults.
For Master Gardeners who spend extended hours in the field, recovery and joint health are practical concerns. Digging, kneeling, and repetitive lifting can take a toll over a long growing season. Staying informed about emerging wellness research helps gardeners maintain their ability to enjoy the hobby for decades.
The following organizations provide research and educational materials on topics relevant to active gardeners and outdoor enthusiasts:
Explore our other resource pages for specific topics: