Port Tobacco Village, MD 20611 Frost Dates
20611, near Port Tobacco Village, MD: the frost window
Around 04/17 is the usual last spring frost, about 232 days away. Fall's first freeze usually shows up around 10/27, roughly 195 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Port Tobacco Village in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Port Tobacco Village's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.
Port Tobacco Village against the rest of the dataset
At roughly 195 frost-free days, Port Tobacco Village places 19,402 of 40,283 ZIP codes in this dataset. Within MD, it ranks 521 of 583.
Learn more
Two guides worth reading on 20611: the frost range, on how to read the range around Port Tobacco Village's dates instead of trusting one, and local microclimates, on what one yard in Port Tobacco Village can differ from the 20611 normal.