Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Big rock, IA, based on the USDA Hardiness Zone 5b.
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Big rock, IA Frost Dates & Growing Season
Last Spring Frost Date for Big rock, IA
The average last frost date in spring for Big rock is April 25th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 9th 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 Big rock, IA
The average first frost date in fall for Big rock is October 15th. 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 Big rock, IA
Based on historical frost data, the estimated growing season length in Big rock is approximately 173 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.
Big rock, IA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Big rock, IA Monthly Planting Recommendations
February
In February, recommended activities include starting Pepper seeds indoors (from February 28th to March 14th), starting Coleus seeds indoors (from February 28th to March 14th), and starting Ground Cherry seeds indoors (from February 28th to March 14th).
March
In March, recommended activities include direct sowing Garden Cress (from March 28th to April 11th), direct sowing Mustard (from March 28th to April 11th), and direct sowing Spinach (from March 14th to March 28th).
April
In April, recommended activities include direct sowing Swiss Chard (from April 11th to April 25th), direct sowing Beet (from April 11th to April 25th), and direct sowing Lentil (from April 11th to April 25th).
May
In May, recommended activities include direct sowing Jute (from May 9th to May 23rd), direct sowing Lima Bean (from May 9th to May 23rd), and direct sowing Runner Bean (from May 2nd to May 16th).