Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in White sulphur springs, MT, based on the USDA Hardiness Zone 4a.
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White sulphur springs, MT Frost Dates & Growing Season
Last Spring Frost Date for White sulphur springs, MT
The average last frost date in spring for White sulphur springs is June 10th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 24th 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 White sulphur springs, MT
The average first frost date in fall for White sulphur springs 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 White sulphur springs, MT
Based on historical frost data, the estimated growing season length in White sulphur springs is approximately 97 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.
White sulphur springs, MT Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
White sulphur springs, MT Monthly Planting Recommendations
April
In April, recommended activities include starting Petunia seeds indoors (from April 1st to April 15th), starting Kale seeds indoors (from April 29th to May 13th), and starting Ground Cherry seeds indoors (from April 15th to April 29th).
May
In May, recommended activities include direct sowing Dill (from May 27th to June 10th), direct sowing Cilantro (from May 27th to June 24th), and direct sowing Hyssop (from May 27th to June 10th).
June
In June, recommended activities include direct sowing Cucumber (from June 17th to July 1st), direct sowing Cosmos (from June 17th to June 24th), and direct sowing Cantaloupe (from June 17th to July 1st).