Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Luther, MT, based on the USDA Hardiness Zone 4b.
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Luther, MT Frost Dates & Growing Season
Last Spring Frost Date for Luther, MT
The average last frost date in spring for Luther is June 15th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 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 Luther, MT
The average first frost date in fall for Luther is September 15th. 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 Luther, MT
Based on historical frost data, the estimated growing season length in Luther is approximately 92 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.
Luther, MT Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Luther, MT Monthly Planting Recommendations
April
In April, recommended activities include starting Broccoli seeds indoors (from April 20th to May 4th), starting Tomato seeds indoors (from April 20th to May 4th), and starting Pansy seeds indoors (from April 6th to April 20th).
May
In May, recommended activities include starting Cantaloupe seeds indoors (from May 18th to June 1st), direct sowing Pea (from May 4th to May 18th), and direct sowing Radish (from May 18th to June 1st).
June
In June, recommended activities include direct sowing Melon (from June 29th to July 13th), direct sowing Okra (from June 29th to July 13th), and direct sowing Alyssum (from June 1st to June 15th).