Last frost date in Bel Air North, MD

Average last frost
April 10

The average last frost in Bel Air North is April 10. By April 30 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 30, which leaves 201 frost-free days. An early freeze before October 14 happens one year in ten.

Safe after (10% risk)
Apr 30
Average first frost
Oct 30
Frost-free season
201 days
Hard freeze (28°F) ends
Mar 29
Next 7 nights in Bel Air North

Frost possible in low spots Fri night, low 35°F

Earlier than usual: the average first frost here is October 30.

National Weather Service forecast, updated Oct 22, 12:57 UTC

  1. ThuOct 2243°
  2. FriOct 2335°possible frost
  3. SatOct 2437°
  4. SunOct 2539°
  5. MonOct 2646°
  6. TueOct 2745°
  7. WedOct 2846°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Apr 10First frost Oct 30201 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND201 frost-free days
Frost risk through the year at Aberdeen Phillips Field, 12.2 miles from Bel Air North.

Planting calendar for Bel Air North

Windows count forward or back from the average frost dates above. Click a crop for dates across Maryland.

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesApr 17–May 1
PumpkinsApr 24–May 8
SunflowersApr 10–May 1
CucumbersApr 24–May 1
CornApr 17–May 1
Sweet potatoesMay 1–May 15
WatermelonApr 24–May 8
Green beansApr 17–May 8
ZucchiniApr 17–May 1
OkraMay 1–May 15
PeppersApr 24–May 8
BasilApr 17–May 1
Butternut squashApr 17–May 1
CantaloupeApr 24–May 8
EggplantApr 24–May 8
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesMar 13–Mar 27
OnionsFeb 27–Mar 20
CarrotsMar 20–Apr 24
LettuceMar 27–Apr 17
BroccoliMar 13–Mar 27
BeetsMar 13–Apr 24
PeasFeb 27–Mar 13
CabbageMar 13–Mar 27
RadishesMar 6–Apr 17
Brussels sproutsMar 27–Apr 10
SpinachFeb 27–Mar 20
CilantroMar 27–Apr 17
KaleMar 13–Mar 27
Collard greensMar 13–Mar 27
TurnipsMar 13–Mar 27
DillApr 10–Apr 24
CeleryApr 17–Apr 24
CauliflowerMar 27–Apr 10
LeeksMar 27–Apr 10
Swiss chardMar 27–Apr 24
ParsleyMar 27–Apr 17
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 16–Nov 20
GarlicOct 9–Nov 13
Daffodil bulbsOct 2–Nov 13
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesMar 13–Mar 27
AsparagusMar 13–Mar 27

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FMar 27Apr 10Apr 30Oct 14Oct 30Nov 12
Hard freeze, 28°FMar 13Mar 29Apr 12Oct 28Nov 10Nov 27

Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.

Where these numbers come from

NOAA station Aberdeen Phillips Field (USW00013701) sits 12.2 miles from the center of Bel Air North at 57 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.

Questions

When is the last frost in Bel Air North, MD?

The average last frost date in Bel Air North is April 10, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 30.

When is the first frost in Bel Air North?

The first frost in fall usually comes around October 30. One year in ten it arrives before October 14.

How long is the growing season in Bel Air North?

About 201 days between the average last and first frost.

When should I plant tomatoes in Bel Air North?

Plant tomato seedlings outside from April 17 to May 1. Start seeds indoors six to eight weeks earlier.

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