Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Middle river, MN, based on the USDA Hardiness Zone 3a.
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Middle river, MN Frost Dates & Growing Season
Last Spring Frost Date for Middle river, MN
The average last frost date in spring for Middle river is June 1st. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 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 Middle river, MN
The average first frost date in fall for Middle river is September 20th. 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 Middle river, MN
Based on historical frost data, the estimated growing season length in Middle river is approximately 111 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.
Middle river, MN Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Middle river, MN Monthly Planting Recommendations
March
In March, recommended activities include starting Petunia seeds indoors (from March 23rd to April 6th), starting Onion seeds indoors (from March 23rd to April 6th), and starting French Lavender seeds indoors (from March 23rd to April 6th).
April
In April, recommended activities include starting Thyme seeds indoors (from April 6th to April 20th), starting Tomatillo seeds indoors (from April 6th to April 20th), and starting Sage seeds indoors (from April 20th to May 4th).
May
In May, recommended activities include direct sowing Beet (from May 18th to June 1st), direct sowing Swiss Chard (from May 18th to June 1st), and direct sowing Alyssum (from May 18th to June 1st).
June
In June, recommended activities include direct sowing Mung Bean (from June 15th to June 29th), direct sowing Lemon Balm (from June 1st to June 15th), and direct sowing Corn (from June 15th to June 22nd).