Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Gilbert, AZ, based on the USDA Hardiness Zone 9b.
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Gilbert, AZ Frost Dates & Growing Season
Last Spring Frost Date for Gilbert, AZ
The average last frost date in spring for Gilbert is February 5th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until February 19th 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 Gilbert, AZ
The average first frost date in fall for Gilbert is December 10th. 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 Gilbert, AZ
Based on historical frost data, the estimated growing season length in Gilbert is approximately 308 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.
Gilbert, AZ Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Gilbert, AZ Monthly Planting Recommendations
January
In January, recommended activities include direct sowing Mustard (from January 8th to January 22nd), direct sowing Lentil (from January 22nd to February 5th), and direct sowing Flax (from January 8th to January 22nd).
February
In February, recommended activities include direct sowing Melon (from February 19th to March 5th), direct sowing Nasturtium (from February 12th to February 19th), and direct sowing Sesame (from February 19th to March 5th).
November
In November, recommended activities include starting Snapdragon seeds indoors (from November 27th to December 11th), starting Begonia seeds indoors (from November 27th to December 11th), and starting Petunia seeds indoors (from November 27th to December 11th).
December
In December, recommended activities include starting Moonflower seeds indoors (from December 25th to January 8th), starting Ground Cherry seeds indoors (from December 11th to December 25th), and starting Oregano seeds indoors (from December 11th to December 25th).