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Growing It Local > States > California

California

State Information & Resources

 

University of California Extension Services Information

The UC Extension Services Website provides information about growing fruit and vegetables in California.

California Vegetable Growing Information
California Fruit & Nut Growing Information

Integrated Pest Management

This website provides information that is specific to California to assist with:

  1. Pest Identification
  2. Monitoring and assessing pest numbers and damage
  3. Guidelines for when management action is needed
  4. Preventing pest problems
  5. Using a combination of biological, cultural, physical/mechanical and chemical (organic or not) management tools

UC Integrated Pest Management Website

Master Gardeners Program

More than 45 California counties have UC Cooperative Extension Master Gardener Programs with UC trained Master Gardener volunteers who are available to answer gardening questions for free. Go to the California Master Gardeners website and click "Find your local Master Gardener Program", then click your county's name to find your local help line phone number and email address.

California Master Gardeners Website

County Extension Offices

More than 300 specialists and advisers at 64 County Cooperative Extension offices are great resources for local farming and gardening information.

This interactive map provides links to County Extension offices in every California county.

County Extension Office Listings

 

Agriculture

California Agriculture

California is one of the top agricultural producers in the world. It's top food crops overall are Almonds, Grapes, Rice, Tomatoes, Wheat, Corn, Lettuce, Strawberries, and Walnuts. Leading crops in each category are:

Fruit and nut crops: Almonds, Apples, Apricots, Avocados, Blueberries, Cherries, Dates, Figs, Grapefruit, Grapes, Kiwifruit, Lemons, Melons, Nectarines, Olives, Oranges, Peaches, Pears, Pecans, Pistachios, Plums, Strawberries, Tangerines, and Walnuts.

Grain and staples: Barley, Dried Beans, Grain Corn, Peppermint, Oats, Potatoes, Sweet Potatoes, Rice, Sugar Beets, Sunflower, Safflower, and Wheat.

Vegetables: Artichokes, Asparagus, Snap Beans, Broccoli, Cabbage, Carrots, Cauliflower, Celery, Sweet Corn, Cucumbers, Garlic, Lettuce, Mushrooms, Onions, Peppers, Pumpkins, Spinach, Squash, and Tomatoes.

Below is a report of California agriculture statistics from the California Department of Agriculture website. It lists the major crops for each county on pages 13 and 14.

Agriculture Statistics Overview

California Department of Agriculture

The below report from the California Department of Agriculture website contains detailed information about plant pests and diseases that are common in California and includes pictures:

Plant Pest and Disease Report

 

California Average Local Temperature and Rainfall Finder

These pages by "Find the Best" let you find average high and low temperatures for each month of the year and annual rainfall.

Enter a town, city, or zip code to see average temperatures for an area. Then click "See Details" next to a name to see a chart of average high and low temperatures for each month.

Check average temperatures for your area

Enter a town ,city, or zip code to see average yearly rainfall for your area.

Check average rainfall for your area

 

California Hardiness Zone Maps

This interactive hardiness zone map by PlantMaps lets you zoom to an area or enter a zip code to show the average low temperature for each area of the state. This is helpful in determining which plants will survive in your area and which will do well. For example, citrus are grown in areas where temperatures don't fall much below 20 degrees F. Most apple varieties won't survive in zones 1 to 3 and won't do well in zones 8 and above because summers are too hot and they don't get enough hours of cold temperatures in the winter.

** First and Last Frost Dates

Enter a zip code in the search box at the top and click "Zoom to Zip". A box will pop up with information including the Average First Frost and Average Last Frost for this zip code. This is critical in most areas for determining planting dates.

Go To California Hardiness Zone Maps

 

California Heat Zone Map

This interactive heat zone map by PlantMaps lets you zoom to an area or enter a zipcode to see the number of days a year with temperatures over 86 degrees. This is useful for determining whether certain heat loving plants such as citrus will do well.

Go To California Heat Zone Map

 

Geographic Areas

California Geographic Areas

California includes these geographic areas. Click a link to go to pages with local gardening information for that area.

Pacific Northwest Mountains

Northern & Central California Coast & Valleys

Sierra Nevadas

Southern California Coast & Valleys & Mountains

Southwest Deserts