Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Fountain hills, AZ, based on the USDA Hardiness Zone 9b.
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Fountain hills, AZ Frost Dates & Growing Season
Last Spring Frost Date for Fountain hills, AZ
The average last frost date in spring for Fountain hills is February 15th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until March 1st 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 Fountain hills, AZ
The average first frost date in fall for Fountain hills is December 5th. 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 Fountain hills, AZ
Based on historical frost data, the estimated growing season length in Fountain hills is approximately 293 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.
Fountain hills, AZ Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Fountain hills, AZ Monthly Planting Recommendations
January
In January, recommended activities include starting Cantaloupe seeds indoors (from January 18th to February 1st), direct sowing Poppy (from January 18th to February 1st), and direct sowing Pea (from January 4th to January 18th).
February
In February, recommended activities include direct sowing Sunflower (from February 22nd to March 8th), direct sowing Lentil (from February 1st to February 15th), and direct sowing Babys Breath (from February 15th to March 1st).
March
In March, recommended activities include direct sowing Butterfly Pea (from March 1st to March 15th), direct sowing Watermelon (from March 1st to March 15th), and direct sowing Corn (from March 1st to March 8th).
December
In December, recommended activities include starting Begonia seeds indoors (from December 7th to December 21st), starting Tomato seeds indoors (from December 21st to January 4th), and starting Ground Cherry seeds indoors (from December 21st to January 4th).