Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Cairo, OH, based on the USDA Hardiness Zone 6a.
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Cairo, OH Frost Dates & Growing Season
Last Spring Frost Date for Cairo, OH
The average last frost date in spring for Cairo is January 5th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until January 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 Cairo, OH
The average first frost date in fall for Cairo 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 Cairo, OH
Based on historical frost data, the estimated growing season length in Cairo is approximately 283 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.
Cairo, OH Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Cairo, OH Monthly Planting Recommendations
January
In January, recommended activities include direct sowing Fenugreek (from January 5th to January 19th), direct sowing Morning Glory (from January 12th to January 26th), and direct sowing Runner Bean (from January 12th to January 26th).
October
In October, recommended activities include starting Rosemary seeds indoors (from October 27th to November 10th), starting Leek seeds indoors (from October 27th to November 10th), and starting Onion seeds indoors (from October 27th to November 10th).
November
In November, recommended activities include starting Tomatillo seeds indoors (from November 10th to November 24th), starting Oregano seeds indoors (from November 10th to November 24th), and starting Cauliflower seeds indoors (from November 10th to November 24th).
December
In December, recommended activities include direct sowing Flax (from December 8th to December 22nd), direct sowing Poppy (from December 8th to December 22nd), and direct sowing Lentil (from December 22nd to January 5th).