Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Bethel, ME, based on the USDA Hardiness Zone 4b.
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Bethel, ME Frost Dates & Growing Season
Last Spring Frost Date for Bethel, ME
The average last frost date in spring for Bethel is June 1st. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 15th 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 Bethel, ME
The average first frost date in fall for Bethel 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 Bethel, ME
Based on historical frost data, the estimated growing season length in Bethel is approximately 116 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.
Bethel, ME Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Bethel, ME Monthly Planting Recommendations
March
In March, recommended activities include starting French Lavender seeds indoors (from March 23rd to April 6th), starting Impatiens seeds indoors (from March 23rd to April 6th), and starting Lavender seeds indoors (from March 23rd to April 6th).
April
In April, recommended activities include starting Statice seeds indoors (from April 6th to April 20th), starting Coleus seeds indoors (from April 6th to April 20th), and starting Tomatillo seeds indoors (from April 6th to April 20th).
May
In May, recommended activities include direct sowing Garden Cress (from May 4th to May 18th), direct sowing Hyssop (from May 18th to June 1st), and starting Pumpkin seeds indoors (from May 11th to May 18th).
June
In June, recommended activities include direct sowing Butternut Squash (from June 8th to June 22nd), direct sowing Lemon Balm (from June 1st to June 15th), and direct sowing Mung Bean (from June 15th to June 29th).