Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Williston, MD, based on the USDA Hardiness Zone 7b.
On this page:
Williston, MD Frost Dates & Growing Season
Last Spring Frost Date for Williston, MD
The average last frost date in spring for Williston is April 19th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 3rd 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 Williston, MD
The average first frost date in fall for Williston is November 10th. 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 Williston, MD
Based on historical frost data, the estimated growing season length in Williston is approximately 205 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.
Williston, MD Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Williston, MD Monthly Planting Recommendations
February
In February, recommended activities include starting Geranium seeds indoors (from February 8th to February 22nd), starting Aubergine seeds indoors (from February 22nd to March 8th), and starting Lavender seeds indoors (from February 8th to February 22nd).
March
In March, recommended activities include direct sowing Chervil (from March 22nd to April 5th), direct sowing California Poppy (from March 22nd to April 5th), and direct sowing Radish (from March 22nd to April 5th).
April
In April, recommended activities include direct sowing Milk Thistle (from April 5th to April 19th), direct sowing Runner Bean (from April 26th to May 10th), and direct sowing Beet (from April 5th to April 19th).
May
In May, recommended activities include direct sowing Lima Bean (from May 3rd to May 17th), direct sowing Melon (from May 3rd to May 17th), and direct sowing Jute (from May 3rd to May 17th).