Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Del rio, CA, based on the USDA Hardiness Zone 9b.
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Del rio, CA Frost Dates & Growing Season
Last Spring Frost Date for Del rio, CA
The average last frost date in spring for Del rio is February 20th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until March 6th before moving plants outdoors. Waiting these extra few weeks significantly reduces the risk of a late freeze damaging young transplants.
First Fall Frost Date for Del rio, CA
The average first frost date in fall for Del rio is November 20th. This date marks the approximate end of the growing season for tender plants. Gardeners should plan to harvest frost-sensitive vegetables or provide heavy protection (such as row covers) before this date to avoid crop loss.
Growing Season Length in Del rio, CA
Based on historical frost data, the estimated growing season length in Del rio is approximately 273 days. This duration determines which vegetable varieties have enough time to reach maturity before the winter cold sets in. Short-season varieties are recommended for crops that require a longer warm period.
Please note: These dates are climatological averages. Actual weather conditions vary by year. Always check the local 10-day forecast before planting.
Del rio, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Del rio, CA Monthly Planting Recommendations
January
In January, recommended activities include starting Moonflower seeds indoors (from January 9th to January 23rd), direct sowing Crimson Clover (from January 23rd to February 6th), and direct sowing Sweet Pea (from January 23rd to February 6th).
February
In February, recommended activities include direct sowing Runner Bean (from February 27th to March 13th), direct sowing Fennel (from February 6th to February 20th), and direct sowing Sunflower (from February 27th to March 13th).
March
In March, recommended activities include direct sowing Lima Bean (from March 6th to March 20th), direct sowing Jute (from March 6th to March 20th), and direct sowing Watermelon (from March 6th to March 20th).
December
In December, recommended activities include starting Thyme seeds indoors (from December 26th to January 9th), starting Artichoke seeds indoors (from December 12th to December 26th), and starting Petunia seeds indoors (from December 12th to December 26th).