Hawkeye, 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 Hawkeye, IA, based on the USDA Hardiness Zone 5a.

Hawkeye, IA Frost Dates & Growing Season

Last Spring Frost Date for Hawkeye, IA

The average last frost date in spring for Hawkeye is May 10th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 24th 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 Hawkeye, IA

The average first frost date in fall for Hawkeye 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 Hawkeye, IA

Based on historical frost data, the estimated growing season length in Hawkeye is approximately 148 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.

Hawkeye, 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
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Hawkeye, IA Monthly Planting Recommendations

March

In March, recommended activities include starting Broccoli seeds indoors (from March 15th to March 29th), starting Cauliflower seeds indoors (from March 15th to March 29th), and starting Tomatillo seeds indoors (from March 15th to March 29th).

April

In April, recommended activities include direct sowing Cilantro (from April 26th to May 24th), direct sowing Garden Cress (from April 12th to April 26th), and direct sowing Arugula (from April 12th to April 26th).

May

In May, recommended activities include direct sowing Melon (from May 24th to June 7th), direct sowing Chia (from May 24th to June 7th), and direct sowing Nasturtium (from May 17th to May 24th).