Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Tonka bay, MN, based on the USDA Hardiness Zone 4b.
On this page:
Tonka bay, MN Frost Dates & Growing Season
Last Spring Frost Date for Tonka bay, MN
The average last frost date in spring for Tonka bay is May 5th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 19th 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 Tonka bay, MN
The average first frost date in fall for Tonka bay 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 Tonka bay, MN
Based on historical frost data, the estimated growing season length in Tonka bay is approximately 153 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.
Tonka bay, MN Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Tonka bay, MN Monthly Planting Recommendations
February
In February, recommended activities include starting Leek seeds indoors (from February 24th to March 10th), starting Snapdragon seeds indoors (from February 24th to March 10th), and starting Celery seeds indoors (from February 24th to March 10th).
March
In March, recommended activities include starting Oregano seeds indoors (from March 10th to March 24th), starting Black Eyed Susan seeds indoors (from March 10th to March 24th), and starting Broccoli seeds indoors (from March 10th to March 24th).
April
In April, recommended activities include direct sowing Cilantro (from April 21st to May 19th), direct sowing Chervil (from April 7th to April 21st), and direct sowing Hyssop (from April 21st to May 5th).
May
In May, recommended activities include direct sowing Butternut Squash (from May 12th to May 26th), direct sowing Lemon Balm (from May 5th to May 19th), and direct sowing Cantaloupe (from May 12th to May 26th).