Johnstown, OH Planting Calendar (What to Plant by Month)

Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Johnstown, OH, based on the USDA Hardiness Zone 6a.

Johnstown, OH Frost Dates & Growing Season

Last Spring Frost Date for Johnstown, OH

The average last frost date in spring for Johnstown is May 4th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 18th 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 Johnstown, OH

The average first frost date in fall for Johnstown 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 Johnstown, OH

Based on historical frost data, the estimated growing season length in Johnstown is approximately 169 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.

Johnstown, OH Planting Calendar

This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.

Legend: I = Start seed indoors S = Direct sow T = Transplant H = Harvest
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Johnstown, OH Monthly Planting Recommendations

February

In February, recommended activities include starting Petunia seeds indoors (from February 23rd to March 9th), starting Snapdragon seeds indoors (from February 23rd to March 9th), and starting Onion seeds indoors (from February 23rd to March 9th).

March

In March, recommended activities include starting Ground Cherry seeds indoors (from March 9th to March 23rd), starting Statice seeds indoors (from March 9th to March 23rd), and starting Thyme seeds indoors (from March 9th to March 23rd).

April

In April, recommended activities include direct sowing Hyssop (from April 20th to May 4th), direct sowing Watercress (from April 6th to April 20th), and direct sowing Sorrel (from April 6th to April 20th).

May

In May, recommended activities include direct sowing Gladiolus (from May 4th to May 18th), direct sowing Sunflower (from May 11th to May 25th), and direct sowing Zinnia (from May 11th to May 25th).