Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Promise city, IA, based on the USDA Hardiness Zone 5b.
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Promise city, IA Frost Dates & Growing Season
Last Spring Frost Date for Promise city, IA
The average last frost date in spring for Promise city is April 27th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 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 Promise city, IA
The average first frost date in fall for Promise city is October 8th. 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 Promise city, IA
Based on historical frost data, the estimated growing season length in Promise city is approximately 164 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.
Promise city, IA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Promise city, IA Monthly Planting Recommendations
February
In February, recommended activities include starting Leek seeds indoors (from February 16th to March 2nd), starting Petunia seeds indoors (from February 16th to March 2nd), and starting Lavender seeds indoors (from February 16th to March 2nd).
March
In March, recommended activities include starting Cauliflower seeds indoors (from March 2nd to March 16th), starting Moonflower seeds indoors (from March 16th to March 30th), and direct sowing Bok Choy (from March 30th to April 13th).
April
In April, recommended activities include direct sowing Fennel (from April 13th to April 27th), starting Pumpkin seeds indoors (from April 6th to April 13th), and direct sowing Quinoa (from April 13th to April 27th).
May
In May, recommended activities include direct sowing Butterfly Pea (from May 11th to May 25th), direct sowing Cucumber (from May 4th to May 18th), and direct sowing Moss Rose (from May 4th to May 18th).