Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in San andreas, CA, based on the USDA Hardiness Zone 9a.
On this page:
San andreas, CA Frost Dates & Growing Season
Last Spring Frost Date for San andreas, CA
The average last frost date in spring for San andreas is April 25th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 9th 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 San andreas, CA
The average first frost date in fall for San andreas 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 San andreas, CA
Based on historical frost data, the estimated growing season length in San andreas is approximately 209 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.
San andreas, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
San andreas, CA Monthly Planting Recommendations
February
In February, recommended activities include starting Lavender seeds indoors (from February 14th to February 28th), starting Leek seeds indoors (from February 14th to February 28th), and starting Celery seeds indoors (from February 14th to February 28th).
March
In March, recommended activities include direct sowing Sweet Pea (from March 28th to April 11th), starting Sage seeds indoors (from March 14th to March 28th), and direct sowing Pea (from March 14th to March 28th).
April
In April, recommended activities include direct sowing Babys Breath (from April 25th to May 9th), direct sowing German Chamomile (from April 11th to April 25th), and direct sowing Calendula (from April 11th to April 25th).
May
In May, recommended activities include direct sowing Black Bean (from May 9th to May 23rd), direct sowing Runner Bean (from May 2nd to May 16th), and direct sowing Zinnia (from May 2nd to May 16th).