Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Pima, AZ, based on the USDA Hardiness Zone 8b.
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Pima, AZ Frost Dates & Growing Season
Last Spring Frost Date for Pima, AZ
The average last frost date in spring for Pima is April 10th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until April 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 Pima, AZ
The average first frost date in fall for Pima is November 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 Pima, AZ
Based on historical frost data, the estimated growing season length in Pima is approximately 214 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.
Pima, AZ Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Pima, AZ Monthly Planting Recommendations
January
In January, recommended activities include starting Impatiens seeds indoors (from January 30th to February 13th), starting Leek seeds indoors (from January 30th to February 13th), and starting Lavender seeds indoors (from January 30th to February 13th).
February
In February, recommended activities include starting Statice seeds indoors (from February 13th to February 27th), starting Cabbage seeds indoors (from February 13th to February 27th), and starting Brussel Sprout seeds indoors (from February 27th to March 13th).
March
In March, recommended activities include direct sowing California Poppy (from March 13th to March 27th), direct sowing Lettuce (from March 13th to March 27th), and direct sowing Lentil (from March 27th to April 10th).
April
In April, recommended activities include direct sowing Chia (from April 24th to May 8th), direct sowing Babys Breath (from April 10th to April 24th), and direct sowing Jute (from April 24th to May 8th).