Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Wise river, MT, based on the USDA Hardiness Zone 3b.
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Wise river, MT Frost Dates & Growing Season
Last Spring Frost Date for Wise river, MT
The average last frost date in spring for Wise river 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 Wise river, MT
The average first frost date in fall for Wise river is September 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 Wise river, MT
Based on historical frost data, the estimated growing season length in Wise river is approximately 82 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.
Wise river, MT Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Wise river, MT Monthly Planting Recommendations
April
In April, recommended activities include starting Pepper seeds indoors (from April 20th to May 4th), starting Impatiens seeds indoors (from April 6th to April 20th), and starting Coleus seeds indoors (from April 20th to May 4th).
May
In May, recommended activities include direct sowing California Poppy (from May 18th to June 1st), direct sowing Carrot (from May 25th to June 8th), and direct sowing Sorrel (from May 18th to June 1st).
June
In June, recommended activities include direct sowing Alyssum (from June 1st to June 15th), direct sowing Swiss Chard (from June 1st to June 15th), and direct sowing Beet (from June 1st to June 15th).