Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Avon, MT, based on the USDA Hardiness Zone 4b.
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Avon, MT Frost Dates & Growing Season
Last Spring Frost Date for Avon, MT
The average last frost date in spring for Avon 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 Avon, MT
The average first frost date in fall for Avon is September 10th. 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 Avon, MT
Based on historical frost data, the estimated growing season length in Avon is approximately 87 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.
Avon, MT Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Avon, MT Monthly Planting Recommendations
April
In April, recommended activities include starting Pansy seeds indoors (from April 6th to April 20th), starting Coleus seeds indoors (from April 20th to May 4th), and starting Ground Cherry seeds indoors (from April 20th to May 4th).
May
In May, recommended activities include direct sowing Parsley (from May 18th to June 1st), starting Cantaloupe seeds indoors (from May 18th to June 1st), and direct sowing California Poppy (from May 18th to June 1st).
June
In June, recommended activities include direct sowing Nasturtium (from June 22nd to June 29th), direct sowing Zinnia (from June 22nd to July 6th), and direct sowing Calendula (from June 1st to June 15th).