Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Collingdale, PA, based on the USDA Hardiness Zone 7b.
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Collingdale, PA Frost Dates & Growing Season
Last Spring Frost Date for Collingdale, PA
The average last frost date in spring for Collingdale 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 Collingdale, PA
The average first frost date in fall for Collingdale 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 Collingdale, PA
Based on historical frost data, the estimated growing season length in Collingdale 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.
Collingdale, PA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Collingdale, PA Monthly Planting Recommendations
January
In January, recommended activities include starting Lavender seeds indoors (from January 26th to February 9th), starting Geranium seeds indoors (from January 26th to February 9th), and starting Pansy seeds indoors (from January 26th to February 9th).
February
In February, recommended activities include starting Oregano seeds indoors (from February 9th to February 23rd), starting Ground Cherry seeds indoors (from February 9th to February 23rd), and starting Tomatillo seeds indoors (from February 9th to February 23rd).
March
In March, recommended activities include direct sowing Carrot (from March 16th to March 30th), direct sowing Dill (from March 23rd to April 6th), and direct sowing Lettuce (from March 9th to March 23rd).
April
In April, recommended activities include direct sowing Mung Bean (from April 20th to May 4th), direct sowing Butterfly Pea (from April 20th to May 4th), and direct sowing Zinnia (from April 13th to April 27th).