Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Hamilton, OH, based on the USDA Hardiness Zone 6b.
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Hamilton, OH Frost Dates & Growing Season
Last Spring Frost Date for Hamilton, OH
The average last frost date in spring for Hamilton is April 23rd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 7th 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 Hamilton, OH
The average first frost date in fall for Hamilton is October 20th. 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 Hamilton, OH
Based on historical frost data, the estimated growing season length in Hamilton is approximately 180 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.
Hamilton, OH Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Hamilton, OH Monthly Planting Recommendations
February
In February, recommended activities include starting Impatiens seeds indoors (from February 12th to February 26th), starting Artichoke seeds indoors (from February 12th to February 26th), and starting Rosemary seeds indoors (from February 12th to February 26th).
March
In March, recommended activities include direct sowing California Poppy (from March 26th to April 9th), direct sowing Bok Choy (from March 26th to April 9th), and starting Brussel Sprout seeds indoors (from March 12th to March 26th).
April
In April, recommended activities include direct sowing Runner Bean (from April 30th to May 14th), starting Pumpkin seeds indoors (from April 2nd to April 9th), direct sowing Pumpkin (from April 30th to May 14th), and direct sowing Anise (from April 30th to May 7th).
May
In May, recommended activities include direct sowing Watermelon (from May 7th to May 21st), direct sowing Sesame (from May 7th to May 21st), and direct sowing Okra (from May 7th to May 21st).