Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Riverside, PA, based on the USDA Hardiness Zone 6a.
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Riverside, PA Frost Dates & Growing Season
Last Spring Frost Date for Riverside, PA
The average last frost date in spring for Riverside is July 5th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until July 19th 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 Riverside, PA
The average first frost date in fall for Riverside is October 5th. 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 Riverside, PA
Based on historical frost data, the estimated growing season length in Riverside is approximately 92 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.
Riverside, PA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Riverside, PA Monthly Planting Recommendations
April
In April, recommended activities include starting Pansy seeds indoors (from April 26th to May 10th), starting Impatiens seeds indoors (from April 26th to May 10th), and starting Snapdragon seeds indoors (from April 26th to May 10th).
May
In May, recommended activities include starting Oregano seeds indoors (from May 10th to May 24th), direct sowing Pea (from May 24th to June 7th), and starting Pepper seeds indoors (from May 10th to May 24th).
June
In June, recommended activities include direct sowing Swiss Chard (from June 21st to July 5th), direct sowing Arugula (from June 7th to June 21st), and direct sowing Lettuce (from June 7th to June 21st).
July
In July, recommended activities include direct sowing Cucumber (from July 12th to July 26th), direct sowing Sunflower (from July 12th to July 26th), and direct sowing Lima Bean (from July 19th to August 2nd).