Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Atwater, CA, based on the USDA Hardiness Zone 9b.
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Atwater, CA Frost Dates & Growing Season
Last Spring Frost Date for Atwater, CA
The average last frost date in spring for Atwater is February 25th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until March 11th 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 Atwater, CA
The average first frost date in fall for Atwater is November 15th. 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 Atwater, CA
Based on historical frost data, the estimated growing season length in Atwater is approximately 263 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.
Atwater, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Atwater, CA Monthly Planting Recommendations
January
In January, recommended activities include direct sowing Sorrel (from January 28th to February 11th), direct sowing Pea (from January 14th to January 28th), and starting Luffa seeds indoors (from January 14th to January 28th).
February
In February, recommended activities include direct sowing German Chamomile (from February 11th to February 25th), starting Pumpkin seeds indoors (from February 4th to February 11th), and direct sowing Babys Breath (from February 25th to March 11th).
March
In March, recommended activities include direct sowing Okra (from March 11th to March 25th), direct sowing Melon (from March 11th to March 25th), and direct sowing Jute (from March 11th to March 25th).
December
In December, recommended activities include starting Petunia seeds indoors (from December 17th to December 31st), starting French Lavender seeds indoors (from December 17th to December 31st), and starting Oregano seeds indoors (from December 31st to January 14th).