Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Harpster, OH, based on the USDA Hardiness Zone 6a.
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Harpster, OH Frost Dates & Growing Season
Last Spring Frost Date for Harpster, OH
The average last frost date in spring for Harpster is March 5th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until March 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 Harpster, OH
The average first frost date in fall for Harpster is October 13th. 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 Harpster, OH
Based on historical frost data, the estimated growing season length in Harpster is approximately 222 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.
Harpster, OH Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Harpster, OH Monthly Planting Recommendations
January
In January, recommended activities include starting Oregano seeds indoors (from January 8th to January 22nd), starting Coneflower seeds indoors (from January 8th to January 22nd), and starting Thyme seeds indoors (from January 8th to January 22nd).
February
In February, recommended activities include direct sowing Swiss Chard (from February 19th to March 5th), direct sowing Beet (from February 19th to March 5th), and direct sowing Carrot (from February 12th to February 26th).
March
In March, recommended activities include direct sowing Pumpkin (from March 12th to March 26th), direct sowing Cosmos (from March 12th to March 19th), and direct sowing Lima Bean (from March 19th to April 2nd).
December
In December, recommended activities include starting Geranium seeds indoors (from December 25th to January 8th), starting Artichoke seeds indoors (from December 25th to January 8th), and starting Lavender seeds indoors (from December 25th to January 8th).