Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Jonestown, PA, based on the USDA Hardiness Zone 6b.
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Jonestown, PA Frost Dates & Growing Season
Last Spring Frost Date for Jonestown, PA
The average last frost date in spring for Jonestown is April 27th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 11th 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 Jonestown, PA
The average first frost date in fall for Jonestown is October 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 Jonestown, PA
Based on historical frost data, the estimated growing season length in Jonestown is approximately 171 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.
Jonestown, PA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Jonestown, PA Monthly Planting Recommendations
February
In February, recommended activities include starting Pansy seeds indoors (from February 16th to March 2nd), starting Leek seeds indoors (from February 16th to March 2nd), and starting Petunia seeds indoors (from February 16th to March 2nd).
March
In March, recommended activities include starting Black Eyed Susan seeds indoors (from March 2nd to March 16th), starting Sage seeds indoors (from March 16th to March 30th), and direct sowing Radish (from March 30th to April 13th).
April
In April, recommended activities include direct sowing Fennel (from April 13th to April 27th), direct sowing Cilantro (from April 13th to May 11th), and direct sowing Dill (from April 13th to April 27th).
May
In May, recommended activities include direct sowing Sunflower (from May 4th to May 18th), direct sowing Black Bean (from May 11th to May 25th), and direct sowing Nasturtium (from May 4th to May 11th).