Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Green valley, CA, based on the USDA Hardiness Zone 9b.
On this page:
Green valley, CA Frost Dates & Growing Season
Last Spring Frost Date for Green valley, CA
The average last frost date in spring for Green valley is February 25th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until March 11th 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 Green valley, CA
The average first frost date in fall for Green valley 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 Green valley, CA
Based on historical frost data, the estimated growing season length in Green valley is approximately 279 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.
Green valley, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Green valley, CA Monthly Planting Recommendations
January
In January, recommended activities include starting Luffa seeds indoors (from January 14th to January 28th), direct sowing Chervil (from January 28th to February 11th), and direct sowing Flax (from January 28th to February 11th).
February
In February, recommended activities include direct sowing Cilantro (from February 11th to March 11th), direct sowing Babys Breath (from February 25th to March 11th), and direct sowing Calendula (from February 11th to February 25th).
March
In March, recommended activities include direct sowing Lima Bean (from March 11th to March 25th), direct sowing Pumpkin (from March 4th to March 18th), and direct sowing Sunflower (from March 4th to March 18th).
December
In December, recommended activities include starting Pansy seeds indoors (from December 17th to December 31st), starting Artichoke seeds indoors (from December 17th to December 31st), and starting Broccoli seeds indoors (from December 31st to January 14th).