Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Suffern, NY, based on the USDA Hardiness Zone 6b.
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Suffern, NY Frost Dates & Growing Season
Last Spring Frost Date for Suffern, NY
The average last frost date in spring for Suffern is May 1st. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 15th 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 Suffern, NY
The average first frost date in fall for Suffern 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 Suffern, NY
Based on historical frost data, the estimated growing season length in Suffern is approximately 172 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.
Suffern, NY Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Suffern, NY Monthly Planting Recommendations
February
In February, recommended activities include starting Begonia seeds indoors (from February 20th to March 6th), starting Pansy seeds indoors (from February 20th to March 6th), and starting Lavender seeds indoors (from February 20th to March 6th).
March
In March, recommended activities include starting Coneflower seeds indoors (from March 6th to March 20th), starting Thyme seeds indoors (from March 6th to March 20th), and starting Luffa seeds indoors (from March 20th to April 3rd).
April
In April, recommended activities include direct sowing Garden Cress (from April 3rd to April 17th), direct sowing Lentil (from April 17th to May 1st), and direct sowing Poppy (from April 3rd to April 17th).
May
In May, recommended activities include direct sowing Zucchini (from May 8th to May 22nd), direct sowing Nasturtium (from May 8th to May 15th), and direct sowing Lemon Balm (from May 1st to May 15th).