Spring Hill, IA Planting Calendar (What to Plant by Month)

Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Spring hill, IA, based on the USDA Hardiness Zone 5b.

Spring hill, IA Frost Dates & Growing Season

Last Spring Frost Date for Spring hill, IA

The average last frost date in spring for Spring hill 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 Spring hill, IA

The average first frost date in fall for Spring hill is October 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 Spring hill, IA

Based on historical frost data, the estimated growing season length in Spring hill is approximately 166 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.

Spring hill, IA Planting Calendar

This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.

Legend: I = Start seed indoors S = Direct sow T = Transplant H = Harvest
Generating calendar...

Spring hill, IA Monthly Planting Recommendations

February

In February, recommended activities include starting Petunia seeds indoors (from February 16th to March 2nd), starting Impatiens seeds indoors (from February 16th to March 2nd), and starting Pansy seeds indoors (from February 16th to March 2nd).

March

In March, recommended activities include direct sowing Mustard (from March 30th to April 13th), direct sowing Arugula (from March 30th to April 13th), and starting Ground Cherry seeds indoors (from March 2nd to March 16th).

April

In April, recommended activities include direct sowing Cilantro (from April 13th to May 11th), direct sowing Lemon Balm (from April 27th to May 11th), and direct sowing Carrot (from April 6th to April 20th).

May

In May, recommended activities include direct sowing Sesame (from May 11th to May 25th), direct sowing Watermelon (from May 11th to May 25th), and direct sowing Anise (from May 4th to May 11th).