Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Clarion, PA, based on the USDA Hardiness Zone 6a.
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Clarion, PA Frost Dates & Growing Season
Last Spring Frost Date for Clarion, PA
The average last frost date in spring for Clarion is May 18th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 1st 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 Clarion, PA
The average first frost date in fall for Clarion 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 Clarion, PA
Based on historical frost data, the estimated growing season length in Clarion is approximately 140 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.
Clarion, PA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Clarion, PA Monthly Planting Recommendations
March
In March, recommended activities include starting Stevia seeds indoors (from March 23rd to April 6th), starting Cauliflower seeds indoors (from March 23rd to April 6th), and starting Pansy seeds indoors (from March 9th to March 23rd).
April
In April, recommended activities include direct sowing Potato (from April 20th to May 4th), direct sowing Arugula (from April 20th to May 4th), and direct sowing Carrot (from April 27th to May 11th).
May
In May, recommended activities include direct sowing Dill (from May 4th to May 18th), direct sowing Alyssum (from May 4th to May 18th), and direct sowing Quinoa (from May 4th to May 18th).
June
In June, recommended activities include direct sowing Jute (from June 1st to June 15th), direct sowing Watermelon (from June 1st to June 15th), and direct sowing Black Bean (from June 1st to June 15th).