Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in New london, MN, based on the USDA Hardiness Zone 4a.
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New london, MN Frost Dates & Growing Season
Last Spring Frost Date for New london, MN
The average last frost date in spring for New london is May 15th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 29th 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 New london, MN
The average first frost date in fall for New london 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 New london, MN
Based on historical frost data, the estimated growing season length in New london is approximately 143 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.
New london, MN Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
New london, MN Monthly Planting Recommendations
March
In March, recommended activities include starting Impatiens seeds indoors (from March 6th to March 20th), starting Petunia seeds indoors (from March 6th to March 20th), and starting Leek seeds indoors (from March 6th to March 20th).
April
In April, recommended activities include direct sowing Flax (from April 17th to May 1st), direct sowing Poppy (from April 17th to May 1st), starting Kale seeds indoors (from April 3rd to April 17th), and direct sowing Kale (from April 17th to May 1st).
May
In May, recommended activities include direct sowing Watermelon (from May 29th to June 12th), direct sowing Okra (from May 29th to June 12th), and direct sowing Pumpkin (from May 22nd to June 5th).