Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Los angeles, CA, based on the USDA Hardiness Zone 10b.
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Los angeles, CA Frost Dates & Growing Season
Last Spring Frost Date for Los angeles, CA
The average last frost date in spring for Los angeles is January 1st. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until January 15th 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 Los angeles, CA
The average first frost date in fall for Los angeles is December 31st. 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 Los angeles, CA
Based on historical frost data, the estimated growing season length in Los angeles is approximately 364 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.
Los angeles, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Los angeles, CA Monthly Planting Recommendations
January
In January, recommended activities include direct sowing Lemon Balm (from January 1st to January 15th), direct sowing Melon (from January 15th to January 29th), and direct sowing Okra (from January 15th to January 29th).
October
In October, recommended activities include starting Lavender seeds indoors (from October 23rd to November 6th), starting Pansy seeds indoors (from October 23rd to November 6th), and starting Leek seeds indoors (from October 23rd to November 6th).
November
In November, recommended activities include starting Thyme seeds indoors (from November 6th to November 20th), starting Marigold seeds indoors (from November 20th to December 4th), and starting Tomato seeds indoors (from November 6th to November 20th).
December
In December, recommended activities include direct sowing Alyssum (from December 18th to January 1st), direct sowing Parsley (from December 4th to December 18th), and direct sowing Arugula (from December 4th to December 18th).