When To Treat Powdery Mildew In California Grapevines
Powdery mildew (Erysiphe necator) is one of the most important fungal diseases of grapevines in California. Choosing when to treat is not…
Read articleRegion guide
Gardening in California
California spans USDA zones 5 through 10 – Mediterranean coast, Central Valley heat, alpine cold, and Mojave desert in one state. The trade-off: water rationing, wildfire risk, microclimates that change in twenty miles, and a playbook that varies by zip code. These guides are written for California’s actual patchwork of climates.
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Recently published
Latest guides
Types Of Fungal Diseases That Commonly Affect California Trees
Introduction: why fungal diseases matter in California California has a wide range of climates, from cool, wet coastal forests to hot, dry…
Read articleSteps To Test Soil For Disease Organisms In California Gardens
This article explains clear, practical steps to test soil for disease organisms in California gardens. It covers how to plan sampling, collect…
Read articleIdeas For Companion Planting To Deter Pests In California Beds
Why companion planting matters in California gardens Companion planting is not a magical cure, but a practical set of strategies that reduce…
Read articleBest Ways To Improve Soil Health To Prevent Disease In California Gardens
Why soil health is the foundation of disease prevention in gardens Healthy soil is the first line of defense against plant disease.…
Read articleBenefits Of Using Beneficial Nematodes In California Vegetable Beds
Introduction Beneficial nematodes are microscopic roundworms that attack a range of soil-dwelling insect pests without harming plants, people, pets, or most other…
Read articleWhat To Do When Citrus Trees Develop Greasy Spot In California
Greasy spot is a common fungal leaf disease of citrus that can reduce tree vigor, cause premature leaf drop, and, in severe…
Read articleWhat Does Spider Mite Damage Look Like On California Ornamentals
Overview: why spider mites matter in California landscapes Spider mites are microscopic arachnids that cause significant and often rapid damage to ornamentals…
Read articleHow Do Gardeners Control Snails And Slugs In California Yards
Garden snails and slugs are among the most persistent and visible pests in California gardens. They feed on seedlings, tender leaves, flowers,…
Read articleBeyond this state
Explore another climate
Each state has its own quirks. Pick another and dig in.