Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Loma linda, CA, based on the USDA Hardiness Zone 9b.
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Loma linda, CA Frost Dates & Growing Season
Last Spring Frost Date for Loma linda, CA
The average last frost date in spring for Loma linda 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 Loma linda, CA
The average first frost date in fall for Loma linda 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 Loma linda, CA
Based on historical frost data, the estimated growing season length in Loma linda 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.
Loma linda, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Loma linda, CA Monthly Planting Recommendations
January
In January, recommended activities include starting Pansy seeds indoors (from January 4th to January 18th), starting Stevia seeds indoors (from January 18th to February 1st), and starting Onion seeds indoors (from January 4th to January 18th).
February
In February, recommended activities include starting Pumpkin seeds indoors (from February 22nd to March 1st), direct sowing Carrot (from February 22nd to March 8th), and direct sowing Flax (from February 15th to March 1st).
March
In March, recommended activities include direct sowing Chia (from March 29th to April 12th), direct sowing Jute (from March 29th to April 12th), and direct sowing Butternut Squash (from March 22nd to April 5th).