Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Port jefferson, NY, based on the USDA Hardiness Zone 7a.
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Port jefferson, NY Frost Dates & Growing Season
Last Spring Frost Date for Port jefferson, NY
The average last frost date in spring for Port jefferson is April 22nd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 6th 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 Port jefferson, NY
The average first frost date in fall for Port jefferson is November 5th. 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 Port jefferson, NY
Based on historical frost data, the estimated growing season length in Port jefferson is approximately 197 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.
Port jefferson, NY Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Port jefferson, NY Monthly Planting Recommendations
February
In February, recommended activities include starting Tomatillo seeds indoors (from February 25th to March 11th), starting French Lavender seeds indoors (from February 11th to February 25th), and starting Leek seeds indoors (from February 11th to February 25th).
March
In March, recommended activities include direct sowing Arugula (from March 25th to April 8th), direct sowing Poppy (from March 25th to April 8th), and direct sowing Chives (from March 25th to April 8th).
April
In April, recommended activities include direct sowing Gladiolus (from April 22nd to May 6th), direct sowing Alyssum (from April 8th to April 22nd), and direct sowing Fennel (from April 8th to April 22nd).
May
In May, recommended activities include direct sowing Jute (from May 6th to May 20th), direct sowing Chia (from May 6th to May 20th), and direct sowing Black Bean (from May 6th to May 20th).