Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Darby, PA, based on the USDA Hardiness Zone 7b.
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Darby, PA Frost Dates & Growing Season
Last Spring Frost Date for Darby, PA
The average last frost date in spring for Darby is April 6th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until April 20th 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 Darby, PA
The average first frost date in fall for Darby is November 7th. 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 Darby, PA
Based on historical frost data, the estimated growing season length in Darby is approximately 215 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.
Darby, PA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Darby, PA Monthly Planting Recommendations
January
In January, recommended activities include starting Leek seeds indoors (from January 26th to February 9th), starting Celery seeds indoors (from January 26th to February 9th), and starting Rosemary seeds indoors (from January 26th to February 9th).
February
In February, recommended activities include starting Coleus seeds indoors (from February 9th to February 23rd), starting Brussel Sprout seeds indoors (from February 23rd to March 9th), and starting Pepper seeds indoors (from February 9th to February 23rd).
March
In March, recommended activities include direct sowing Radish (from March 9th to March 23rd), direct sowing Chives (from March 9th to March 23rd), and direct sowing Watercress (from March 9th to March 23rd).
April
In April, recommended activities include direct sowing Jute (from April 20th to May 4th), direct sowing Butternut Squash (from April 13th to April 27th), and direct sowing Cantaloupe (from April 13th to April 27th).