Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Martinez, CA, based on the USDA Hardiness Zone 9b.
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Martinez, CA Frost Dates & Growing Season
Last Spring Frost Date for Martinez, CA
The average last frost date in spring for Martinez 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 Martinez, CA
The average first frost date in fall for Martinez is December 1st. 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 Martinez, CA
Based on historical frost data, the estimated growing season length in Martinez is approximately 284 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.
Martinez, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Martinez, CA Monthly Planting Recommendations
January
In January, recommended activities include starting Luffa seeds indoors (from January 9th to January 23rd), direct sowing Carrot (from January 30th to February 13th), and direct sowing Spinach (from January 9th to January 23rd).
February
In February, recommended activities include direct sowing Zinnia (from February 27th to March 13th), direct sowing Lemon Balm (from February 20th to March 6th), and direct sowing Babys Breath (from February 20th to March 6th).
March
In March, recommended activities include direct sowing Watermelon (from March 6th to March 20th), direct sowing Corn (from March 6th to March 13th), and direct sowing Chia (from March 6th to March 20th).
December
In December, recommended activities include starting Petunia seeds indoors (from December 12th to December 26th), starting Tomato seeds indoors (from December 26th to January 9th), and starting Aubergine seeds indoors (from December 26th to January 9th).