Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in San antonio heights, CA, based on the USDA Hardiness Zone 9b.
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San antonio heights, CA Frost Dates & Growing Season
Last Spring Frost Date for San antonio heights, CA
The average last frost date in spring for San antonio heights is March 15th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until March 29th 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 antonio heights, CA
The average first frost date in fall for San antonio heights 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 San antonio heights, CA
Based on historical frost data, the estimated growing season length in San antonio heights is approximately 261 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 antonio heights, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
San antonio heights, CA Monthly Planting Recommendations
January
In January, recommended activities include starting Onion seeds indoors (from January 4th to January 18th), starting Petunia seeds indoors (from January 4th to January 18th), and starting Cabbage seeds indoors (from January 18th to February 1st).
February
In February, recommended activities include direct sowing Garden Cress (from February 15th to March 1st), direct sowing Lettuce (from February 15th to March 1st), and starting Luffa seeds indoors (from February 1st to February 15th).
March
In March, recommended activities include direct sowing Morning Glory (from March 22nd to April 5th), direct sowing Fenugreek (from March 15th to March 29th), and direct sowing Zinnia (from March 22nd to April 5th).