Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Macungie, PA, based on the USDA Hardiness Zone 6b.
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Macungie, PA Frost Dates & Growing Season
Last Spring Frost Date for Macungie, PA
The average last frost date in spring for Macungie is April 26th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 10th 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 Macungie, PA
The average first frost date in fall for Macungie 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 Macungie, PA
Based on historical frost data, the estimated growing season length in Macungie is approximately 172 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.
Macungie, PA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Macungie, PA Monthly Planting Recommendations
February
In February, recommended activities include starting Begonia seeds indoors (from February 15th to March 1st), starting Celery seeds indoors (from February 15th to March 1st), and starting Leek seeds indoors (from February 15th to March 1st).
March
In March, recommended activities include starting Cantaloupe seeds indoors (from March 29th to April 12th), starting Stevia seeds indoors (from March 1st to March 15th), and starting Cauliflower seeds indoors (from March 1st to March 15th).
April
In April, recommended activities include direct sowing Lemon Balm (from April 26th to May 10th), direct sowing Hyssop (from April 12th to April 26th), and direct sowing German Chamomile (from April 12th to April 26th).
May
In May, recommended activities include direct sowing Zucchini (from May 3rd to May 17th), direct sowing Cosmos (from May 3rd to May 10th), and direct sowing Morning Glory (from May 3rd to May 17th).