Last frost date in Norwood, MA

Average last frost
April 25

In Norwood, the last spring frost comes around April 25 in an average year. Wait until May 11 if you want 90% odds of no more frost. The first fall frost usually arrives about October 9, which leaves 167 frost-free days. An early freeze before September 28 happens one year in ten.

Safe after (10% risk)
May 11
Average first frost
Oct 9
Frost-free season
167 days
Hard freeze (28°F) ends
Apr 8
Next 7 nights in Norwood

Frost likely Fri night, low 30°F

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

  1. ThuOct 2236°possible frost
  2. FriOct 2330°frost
  3. SatOct 2431°frost
  4. SunOct 2536°possible frost
  5. MonOct 2643°
  6. TueOct 2739°
  7. WedOct 2840°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Apr 25First frost Oct 9167 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND167 frost-free days
Frost risk through the year at Norwood Mem Airport, 1.2 miles from Norwood.

Planting calendar for Norwood

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

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesMay 2–May 16
PumpkinsMay 9–May 23
SunflowersApr 25–May 16
CucumbersMay 9–May 16
CornMay 2–May 16
Sweet potatoesMay 16–May 30
WatermelonMay 9–May 23
Green beansMay 2–May 23
ZucchiniMay 2–May 16
OkraMay 16–May 30
PeppersMay 9–May 23
BasilMay 2–May 16
Butternut squashMay 2–May 16
CantaloupeMay 9–May 23
EggplantMay 9–May 23
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesMar 28–Apr 11
OnionsMar 14–Apr 4
CarrotsApr 4–May 9
LettuceApr 11–May 2
BroccoliMar 28–Apr 11
BeetsMar 28–May 9
PeasMar 14–Mar 28
CabbageMar 28–Apr 11
RadishesMar 21–May 2
Brussels sproutsApr 11–Apr 25
SpinachMar 14–Apr 4
CilantroApr 11–May 2
KaleMar 28–Apr 11
Collard greensMar 28–Apr 11
TurnipsMar 28–Apr 11
DillApr 25–May 9
CeleryMay 2–May 9
CauliflowerApr 11–Apr 25
LeeksApr 11–Apr 25
Swiss chardApr 11–May 9
ParsleyApr 11–May 2
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsSep 25–Oct 30
GarlicSep 18–Oct 23
Daffodil bulbsSep 11–Oct 23
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesMar 28–Apr 11
AsparagusMar 28–Apr 11

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FApr 9Apr 25May 11Sep 28Oct 9Oct 30
Hard freeze, 28°FMar 26Apr 8Apr 27Oct 6Oct 23Nov 9

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 Norwood Mem Airport (USW00054704) sits 1.2 miles from the center of Norwood at 50 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 Norwood, MA?

The average last frost date in Norwood is April 25, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 11.

When is the first frost in Norwood?

The first frost in fall usually comes around October 9. One year in ten it arrives before September 28.

How long is the growing season in Norwood?

About 167 days between the average last and first frost.

When should I plant tomatoes in Norwood?

Plant tomato seedlings outside from May 2 to May 16. Start seeds indoors six to eight weeks earlier.

Nearby in Massachusetts

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