Rising Sun, MD 17563 Frost Dates
When can you plant in Rising Sun, MD?
Around 04/03 is the usual last spring frost, about 218 days away. The first fall frost typically arrives around 11/06, about 217 frost-free days later.
The USDA Plant Hardiness Zone Map puts Rising Sun in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 10 weeks of growing season left in Rising Sun before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/22 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rising Sun compares
At roughly 217 frost-free days, Rising Sun places 13,498 of 40,283 ZIP codes in this dataset. Within MD, it ranks 297 of 583.
Learn more
local microclimates covers what one yard in Rising Sun can differ from the 17563 normal. zone vs. frost date covers why Zone 7a and Rising Sun's frost date answer different questions.