Frost Dates for Dumfries, VA 22025

Dumfries has 2 ZIP codes. The Dumfries, VA frost page lists all of them with their dates.

Last spring frost April 20 · First fall frost October 19 · 182 frost-free days · USDA Zone 7b

ZIP 22025 has about 19,400 people, one of 2 ZIP codes in Dumfries.

Long season: 182 frost-free days. Spring frost risk spans April 6–May 5 (29 days). Fall frost risk spans October 4–November 3 (30 days).

Frost probability for 22025

Frost10%50%90%
Spring (last frost)May 5April 20April 6
Fall (first frost)October 4October 19November 3

Dates come from NOAA 1971–2000 freeze probabilities at CORBIN (44.1 km away); the 50% date is the median year.

Which crops fit a 182-day season in Dumfries

In Dumfries (182 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoMar 16May 4–May 11140fits: 80 days to maturity, 140 available after May 4.Jun 19
PepperMar 9May 4–May 11140fits: 75 days to maturity, 140 available after May 4.Jun 24
LettuceFeb 23Mar 23–Mar 30217two-plantings: Plant Mar 23 and again by Aug 28; both mature before Oct 26.Aug 28
Carrots—Mar 30–Apr 6224fits: 70 days to maturity, 224 available after Mar 30.Aug 17
CucumberMar 30May 4–May 11154two-plantings: Plant May 4 and again by Jul 23; both mature before Oct 5.Jul 23
Beans—Apr 27–May 11168two-plantings: Plant Apr 27 and again by Jul 30; both mature before Oct 12.Jul 30
Peas—Feb 23–May 4245fits: 65 days to maturity, 245 available after Feb 23.Aug 8
ZucchiniApr 6May 4–May 11154two-plantings: Plant May 4 and again by Jul 28; both mature before Oct 5.Jul 28
OnionJan 26Mar 23–Apr 6217fits: 100 days to maturity, 217 available after Mar 23.—
Spinach—Feb 23–Apr 13259two-plantings: Plant Feb 23 and again by Sep 16; both mature before Nov 9.Sep 16
KaleFeb 9Mar 23–Apr 6231two-plantings: Plant Mar 23 and again by Sep 1; both mature before Nov 9.Sep 1
BroccoliFeb 23Mar 23–Apr 6217fits: 80 days to maturity, 217 available after Mar 23.Jul 24
CabbageFeb 23Mar 23–Apr 6231fits: 70 days to maturity, 231 available after Mar 23.Aug 17
Radish—Feb 23–May 18245two-plantings: Plant Feb 23 and again by Sep 17; both mature before Oct 26.Sep 17
Beets—Feb 23–May 18245two-plantings: Plant Feb 23 and again by Aug 18; both mature before Oct 26.Aug 18
Potatoes—Apr 6–Apr 13203fits: 90 days to maturity, 203 available after Apr 6.—
Garlic—Oct 19287overwinter: Plant Oct 19 to Nov 9; harvest the following summer.Nov 9
Strawberry—Mar 16–May 11238perennial: A perennial: plant Mar 16; it fruits from the following year and keeps producing for several years.—
CornMar 23Apr 27–May 4154fits: 75 days to maturity, 154 available after Apr 27.Jul 1
PumpkinApr 6May 4–May 4147fits: 100 days to maturity, 147 available after May 4.Jun 6
CauliflowerMar 9Apr 13–Apr 27196fits: 75 days to maturity, 196 available after Apr 13.Jul 29
Swiss ChardFeb 23Apr 6–Apr 6203two-plantings: Plant Apr 6 and again by Aug 18; both mature before Oct 26.Aug 18
Arugula—Feb 23–May 18259two-plantings: Plant Feb 23 and again by Sep 16; both mature before Nov 9.Sep 16
Brussel SproutsFeb 23Mar 23–Apr 6231fits: 100 days to maturity, 231 available after Mar 23.Jul 18
Butternut SquashApr 6May 4–May 11147fits: 100 days to maturity, 147 available after May 4.Jun 6
EggplantMar 2May 4–May 11140fits: 70 days to maturity, 140 available after May 4.Jun 29
OkraMar 23Apr 27–May 4161two-plantings: Plant Apr 27 and again by Jul 28; both mature before Oct 5.Jul 28
BasilMar 16May 11–May 11147two-plantings: Plant May 11 and again by Jul 23; both mature before Oct 5.Jul 23
Cilantro—Mar 23–Apr 13217two-plantings: Plant Mar 23 and again by Aug 23; both mature before Oct 26.Aug 23
ParsleyFeb 9Apr 27–May 4182fits: 70 days to maturity, 182 available after Apr 27.Aug 3
CeleryFeb 9Apr 27–May 11182fits: 120 days to maturity, 182 available after Apr 27.Jun 14
ScallionsFeb 9Mar 23–Apr 6231two-plantings: Plant Mar 23 and again by Aug 27; both mature before Nov 9.Aug 27
Turnip—Mar 23–Apr 6231two-plantings: Plant Mar 23 and again by Sep 6; both mature before Nov 9.Sep 6
Kohlrabi—Mar 9–Mar 23245two-plantings: Plant Mar 9 and again by Sep 1; both mature before Nov 9.Sep 1
Bok ChoyMar 23Apr 13–Apr 20196two-plantings: Plant Apr 13 and again by Aug 28; both mature before Oct 26.Aug 28
CollardsFeb 9Mar 23–Apr 6231two-plantings: Plant Mar 23 and again by Aug 27; both mature before Nov 9.Aug 27
CantaloupeApr 6May 4–May 11140fits: 85 days to maturity, 140 available after May 4.Jun 14
ChivesJan 26Apr 27–May 4196fits: 90 days to maturity, 196 available after Apr 27.—
Dill—Feb 23–May 18245two-plantings: Plant Feb 23 and again by Aug 18; both mature before Oct 26.Aug 18
OreganoFeb 9Apr 27–May 4196fits: 80 days to maturity, 196 available after Apr 27.—
RosemaryJan 26Apr 27–May 4182fits: 80 days to maturity, 182 available after Apr 27.—
SageFeb 23Apr 27–May 4196fits: 75 days to maturity, 196 available after Apr 27.—
ThymeFeb 9Apr 27–May 4196fits: 90 days to maturity, 196 available after Apr 27.—
CalendulaMar 9Apr 6–Apr 20203two-plantings: Plant Apr 6 and again by Aug 23; both mature before Oct 26.Aug 23
CosmosMar 23Apr 20–May 4168two-plantings: Plant Apr 20 and again by Jul 23; both mature before Oct 5.Jul 23
LavenderJan 26Apr 20–May 4203fits: 90 days to maturity, 203 available after Apr 20.—
MarigoldsMar 9Apr 20–Apr 27168two-plantings: Plant Apr 20 and again by Aug 2; both mature before Oct 5.Aug 2
MelonsApr 6May 4–May 11140fits: 85 days to maturity, 140 available after May 4.Jun 14
Mint—Apr 20–May 4203fits: 90 days to maturity, 203 available after Apr 20.—
NasturtiumsMar 23Apr 20–Apr 27168two-plantings: Plant Apr 20 and again by Jul 28; both mature before Oct 5.Jul 28
Pole Beans—Apr 27–May 11161fits: 65 days to maturity, 161 available after Apr 27.Jul 18
Spaghetti SquashApr 6May 4–May 11147fits: 90 days to maturity, 147 available after May 4.Jun 16
Sunflowers—Apr 20–May 4168fits: 70 days to maturity, 168 available after Apr 20.Jul 13
TomatillosFeb 23Apr 27–May 4147fits: 75 days to maturity, 147 available after Apr 27.Jun 24
WatermelonApr 6Apr 27–May 4147fits: 80 days to maturity, 147 available after Apr 27.Jun 19
Yellow SquashApr 6May 4–May 11154two-plantings: Plant May 4 and again by Jul 28; both mature before Oct 5.Jul 28
ZinniasMar 23Apr 20–May 4168two-plantings: Plant Apr 20 and again by Jul 23; both mature before Oct 5.Jul 23

Month by month in Dumfries

MonthWhat to do
JanuaryStart indoors: Chives (Jan 26), Lavender (Jan 26), Onion (Jan 26), Rosemary (Jan 26).
FebruaryStart indoors: Celery (Feb 9), Collards (Feb 9), Kale (Feb 9), Oregano (Feb 9), Parsley (Feb 9), Scallions (Feb 9), +8 more. Direct sow from: Arugula (Feb 23), Beets (Feb 23), Dill (Feb 23), Peas (Feb 23), Radish (Feb 23), Spinach (Feb 23).
MarchStart indoors: Eggplant (Mar 2), Calendula (Mar 9), Cauliflower (Mar 9), Marigolds (Mar 9), Pepper (Mar 9), Basil (Mar 16), +8 more. Direct sow from: Kohlrabi (Mar 9), Cilantro (Mar 23), Turnip (Mar 23), Carrots (Mar 30). Transplant from: Broccoli (Mar 23), Brussel Sprouts (Mar 23), Cabbage (Mar 23), Collards (Mar 23), Kale (Mar 23), Lettuce (Mar 23), +2 more. Plant: Strawberry (Mar 16).
AprilStart indoors: Butternut Squash (Apr 6), Cantaloupe (Apr 6), Melons (Apr 6), Pumpkin (Apr 6), Spaghetti Squash (Apr 6), Watermelon (Apr 6), +2 more. Direct sow from: Potatoes (Apr 6), Sunflowers (Apr 20), Beans (Apr 27), Pole Beans (Apr 27). Transplant from: Calendula (Apr 6), Swiss Chard (Apr 6), Bok Choy (Apr 13), Cauliflower (Apr 13), Cosmos (Apr 20), Lavender (Apr 20), +15 more. Last frost around April 20.
MayTransplant from: Butternut Squash (May 4), Cantaloupe (May 4), Cucumber (May 4), Eggplant (May 4), Melons (May 4), Pepper (May 4), +6 more.
JuneLast sowing dates: Butternut Squash (Jun 6), Pumpkin (Jun 6), Cantaloupe (Jun 14), Celery (Jun 14), Melons (Jun 14), Spaghetti Squash (Jun 16), +5 more.
JulyLast sowing dates: Corn (Jul 1), Sunflowers (Jul 13), Brussel Sprouts (Jul 18), Pole Beans (Jul 18), Basil (Jul 23), Cosmos (Jul 23), +9 more.
AugustLast sowing dates: Marigolds (Aug 2), Parsley (Aug 3), Peas (Aug 8), Cabbage (Aug 17), Carrots (Aug 17), Beets (Aug 18), +8 more.
SeptemberLast sowing dates: Kale (Sep 1), Kohlrabi (Sep 1), Turnip (Sep 6), Arugula (Sep 16), Spinach (Sep 16), Radish (Sep 17).
OctoberDirect sow from: Garlic (Oct 19). First frost around October 19.
NovemberLast sowing dates: Garlic (Nov 9).
DecemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.

Frequently Asked Questions

What is the last frost date for Dumfries, VA (ZIP 22025)?

The median last spring frost date for Dumfries, VA (ZIP code 22025) is around April 20. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before April 6; one in ten it runs past May 5.

What is the first fall frost date in Dumfries, VA?

The median first fall frost date for Dumfries, VA is around October 19. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around October 4 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Dumfries, VA?

The frost-free growing season in Dumfries is about 182 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Dumfries (182 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

What USDA hardiness zone is Dumfries, VA?

Dumfries, VA is in USDA hardiness zone 7b (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.

When should I start tomatoes indoors in Dumfries, VA?

Start tomatoes indoors Mar 16 and plant out May 4 in Dumfries. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Dumfries?

Two: plant Mar 23 and again by Aug 28; both mature before Oct 26.

When do I plant garlic in Dumfries?

Oct 19 to Nov 9; it overwinters and is ready the following summer.

Can I get two tomato crops in Dumfries?

Yes: plant out May 4 for a summer crop, and set out a second round of transplants by Jun 19 for a fall crop.

Which nearby ZIP has a longer season?

Woodbridge (ZIP 22193) has 211 frost-free days, 29 more than Dumfries (ZIP 22025). See Woodbridge ZIP 22193 frost dates

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