Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in American canyon, CA, based on the USDA Hardiness Zone 9b.
On this page:
American canyon, CA Frost Dates & Growing Season
Last Spring Frost Date for American canyon, CA
The average last frost date in spring for American canyon 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 American canyon, CA
The average first frost date in fall for American canyon 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 American canyon, CA
Based on historical frost data, the estimated growing season length in American canyon is approximately 266 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.
American canyon, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
American canyon, CA Monthly Planting Recommendations
January
In January, recommended activities include starting Luffa seeds indoors (from January 27th to February 10th), starting Coleus seeds indoors (from January 13th to January 27th), and starting Aubergine seeds indoors (from January 13th to January 27th).
February
In February, recommended activities include direct sowing Milk Thistle (from February 24th to March 10th), direct sowing Radish (from February 10th to February 24th), and direct sowing Potato (from February 10th to February 24th).
March
In March, recommended activities include direct sowing Jute (from March 24th to April 7th), direct sowing Corn (from March 24th to March 31st), and direct sowing Moss Rose (from March 17th to March 31st).
December
In December, recommended activities include starting French Lavender seeds indoors (from December 30th to January 13th), starting Pansy seeds indoors (from December 30th to January 13th), and starting Celery seeds indoors (from December 30th to January 13th).