Glen Ullin, ND 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 Glen ullin, ND, based on the USDA Hardiness Zone 4a.

Glen ullin, ND Frost Dates & Growing Season

Last Spring Frost Date for Glen ullin, ND

The average last frost date in spring for Glen ullin is May 20th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 3rd 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 Glen ullin, ND

The average first frost date in fall for Glen ullin is September 25th. 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 Glen ullin, ND

Based on historical frost data, the estimated growing season length in Glen ullin is approximately 128 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.

Glen ullin, ND 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...

Glen ullin, ND Monthly Planting Recommendations

March

In March, recommended activities include starting Coneflower seeds indoors (from March 25th to April 8th), starting Aubergine seeds indoors (from March 25th to April 8th), and starting Tomato seeds indoors (from March 25th to April 8th).

April

In April, recommended activities include direct sowing California Poppy (from April 22nd to May 6th), starting Kale seeds indoors (from April 8th to April 22nd), direct sowing Kale (from April 22nd to May 6th), and direct sowing Alfalfa (from April 22nd to May 6th).

May

In May, recommended activities include direct sowing Pumpkin (from May 27th to June 10th), direct sowing Moss Rose (from May 27th to June 10th), and direct sowing Lemon Balm (from May 20th to June 3rd).

June

In June, recommended activities include direct sowing Butterfly Pea (from June 3rd to June 17th), direct sowing Lima Bean (from June 3rd to June 17th), and direct sowing Jute (from June 3rd to June 17th).