Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in St hele, CA, based on the USDA Hardiness Zone 9b.
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St hele, CA Frost Dates & Growing Season
Last Spring Frost Date for St hele, CA
The average last frost date in spring for St hele is March 10th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until March 24th 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 St hele, CA
The average first frost date in fall for St hele 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 St hele, CA
Based on historical frost data, the estimated growing season length in St hele is approximately 250 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.
St hele, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
St hele, CA Monthly Planting Recommendations
January
In January, recommended activities include starting Sage seeds indoors (from January 27th to February 10th), starting Stevia seeds indoors (from January 13th to January 27th), and starting Cauliflower seeds indoors (from January 13th to January 27th).
February
In February, recommended activities include direct sowing Calendula (from February 24th to March 10th), direct sowing Lentil (from February 24th to March 10th), and direct sowing Dill (from February 24th to March 10th).
March
In March, recommended activities include direct sowing Babys Breath (from March 10th to March 24th), direct sowing Nasturtium (from March 17th to March 24th), and direct sowing Mung Bean (from March 24th to April 7th).
December
In December, recommended activities include starting Rosemary seeds indoors (from December 30th to January 13th), starting Snapdragon seeds indoors (from December 30th to January 13th), and starting Celery seeds indoors (from December 30th to January 13th).