New Ulm, MN 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 New ulm, MN, based on the USDA Hardiness Zone 4b.

New ulm, MN Frost Dates & Growing Season

Last Spring Frost Date for New ulm, MN

The average last frost date in spring for New ulm 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 New ulm, MN

The average first frost date in fall for New ulm 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 ulm, MN

Based on historical frost data, the estimated growing season length in New ulm 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.

New ulm, MN 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...

New ulm, MN Monthly Planting Recommendations

February

In February, recommended activities include starting Lavender seeds indoors (from February 24th to March 10th), starting Leek seeds indoors (from February 24th to March 10th), and starting French Lavender seeds indoors (from February 24th to March 10th).

March

In March, recommended activities include starting Basil seeds indoors (from March 24th to April 7th), starting Cauliflower seeds indoors (from March 10th to March 24th), and starting Pepper seeds indoors (from March 10th to March 24th).

April

In April, recommended activities include starting Cantaloupe seeds indoors (from April 7th to April 21st), direct sowing Quinoa (from April 21st to May 5th), and direct sowing Alyssum (from April 21st to May 5th).

May

In May, recommended activities include direct sowing Butterfly Pea (from May 19th to June 2nd), direct sowing Black Bean (from May 19th to June 2nd), and direct sowing Pumpkin (from May 12th to May 26th).