Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Grand junction, IA, based on the USDA Hardiness Zone 5a.
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Grand junction, IA Frost Dates & Growing Season
Last Spring Frost Date for Grand junction, IA
The average last frost date in spring for Grand junction is May 1st. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 15th 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 Grand junction, IA
The average first frost date in fall for Grand junction is October 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 Grand junction, IA
Based on historical frost data, the estimated growing season length in Grand junction is approximately 157 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.
Grand junction, IA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Grand junction, IA Monthly Planting Recommendations
February
In February, recommended activities include starting Geranium seeds indoors (from February 20th to March 6th), starting Impatiens seeds indoors (from February 20th to March 6th), and starting Snapdragon seeds indoors (from February 20th to March 6th).
March
In March, recommended activities include starting Thyme seeds indoors (from March 6th to March 20th), direct sowing Pea (from March 20th to April 3rd), and starting Aubergine seeds indoors (from March 6th to March 20th).
April
In April, recommended activities include direct sowing Parsley (from April 3rd to April 17th), direct sowing Mustard (from April 3rd to April 17th), and direct sowing Poppy (from April 3rd to April 17th).
May
In May, recommended activities include direct sowing Melon (from May 15th to May 29th), direct sowing Cantaloupe (from May 8th to May 22nd), and direct sowing Cucumber (from May 8th to May 22nd).