When to plant leeks in Massachusetts

Plant out in Boston

Mar 21–Apr 4

Across Massachusetts the window opens between March 21 and April 21. Find your city below; the dates follow each town's own average last frost.

Start indoors, Boston: Jan 10–Jan 24
Plant out, Boston: Mar 21–Apr 4
Last frost, Boston: Apr 4

Start seeds indoors 10–12 weeks before the last frost; plant out up to 2 weeks before the last frost. Plant leeks deep in a trench and fill it in as they grow to get long white stems.

Leeks planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

BostonMar 21–Apr 4

WorcesterApr 9–Apr 23

SpringfieldApr 19–May 3

CambridgeApr 5–Apr 19

LowellApr 16–Apr 30

BrocktonApr 8–Apr 22

LynnApr 11–Apr 25

QuincyApr 11–Apr 25

New BedfordApr 15–Apr 29

Fall RiverApr 15–Apr 29

NewtonApr 5–Apr 19

LawrenceMar 30–Apr 13

SomervilleMar 21–Apr 4

FraminghamApr 12–Apr 26

HaverhillApr 17–May 1

MaldenMar 21–Apr 4

WalthamApr 14–Apr 28

BrooklineApr 5–Apr 19

TauntonApr 8–Apr 22

RevereMar 21–Apr 4

MedfordMar 21–Apr 4

Weymouth TownApr 11–Apr 25

PeabodyApr 10–Apr 24

ChicopeeApr 19–May 3

MethuenMar 30–Apr 13

EverettMar 21–Apr 4

Barnstable TownApr 2–Apr 16

AttleboroApr 13–Apr 27

ArlingtonApr 14–Apr 28

SalemApr 11–Apr 25

All 69 cities

City	Start indoors	Plant out	Last frost
Boston	Jan 10 to Jan 24	Mar 21 to Apr 4	Apr 4
Worcester	Jan 29 to Feb 12	Apr 9 to Apr 23	Apr 23
Springfield	Feb 8 to Feb 22	Apr 19 to May 3	May 3
Cambridge	Jan 25 to Feb 8	Apr 5 to Apr 19	Apr 19
Lowell	Feb 5 to Feb 19	Apr 16 to Apr 30	Apr 30
Brockton	Jan 28 to Feb 11	Apr 8 to Apr 22	Apr 22
Lynn	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Quincy	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
New Bedford	Feb 4 to Feb 18	Apr 15 to Apr 29	Apr 29
Fall River	Feb 4 to Feb 18	Apr 15 to Apr 29	Apr 29
Newton	Jan 25 to Feb 8	Apr 5 to Apr 19	Apr 19
Lawrence	Jan 19 to Feb 2	Mar 30 to Apr 13	Apr 13
Somerville	Jan 10 to Jan 24	Mar 21 to Apr 4	Apr 4
Framingham	Feb 1 to Feb 15	Apr 12 to Apr 26	Apr 26
Haverhill	Feb 6 to Feb 20	Apr 17 to May 1	May 1
Malden	Jan 10 to Jan 24	Mar 21 to Apr 4	Apr 4
Waltham	Feb 3 to Feb 17	Apr 14 to Apr 28	Apr 28
Brookline	Jan 25 to Feb 8	Apr 5 to Apr 19	Apr 19
Taunton	Jan 28 to Feb 11	Apr 8 to Apr 22	Apr 22
Revere	Jan 10 to Jan 24	Mar 21 to Apr 4	Apr 4
Medford	Jan 10 to Jan 24	Mar 21 to Apr 4	Apr 4
Weymouth Town	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Peabody	Jan 30 to Feb 13	Apr 10 to Apr 24	Apr 24
Chicopee	Feb 8 to Feb 22	Apr 19 to May 3	May 3
Methuen	Jan 19 to Feb 2	Mar 30 to Apr 13	Apr 13
Everett	Jan 10 to Jan 24	Mar 21 to Apr 4	Apr 4
Barnstable Town	Jan 22 to Feb 5	Apr 2 to Apr 16	Apr 16
Attleboro	Feb 2 to Feb 16	Apr 13 to Apr 27	Apr 27
Arlington	Feb 3 to Feb 17	Apr 14 to Apr 28	Apr 28
Salem	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Leominster	Feb 4 to Feb 18	Apr 15 to Apr 29	Apr 29
Woburn	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Beverly	Feb 9 to Feb 23	Apr 20 to May 4	May 4
Pittsfield	Feb 10 to Feb 24	Apr 21 to May 5	May 5
Marlborough	Feb 7 to Feb 21	Apr 18 to May 2	May 2
Fitchburg	Feb 6 to Feb 20	Apr 17 to May 1	May 1
Amherst Town	Feb 10 to Feb 24	Apr 21 to May 5	May 5
Westfield	Feb 8 to Feb 22	Apr 19 to May 3	May 3
Chelsea	Jan 10 to Jan 24	Mar 21 to Apr 4	Apr 4
Braintree Town	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Holyoke	Feb 8 to Feb 22	Apr 19 to May 3	May 3
Watertown	Jan 25 to Feb 8	Apr 5 to Apr 19	Apr 19
Randolph Town	Jan 24 to Feb 7	Apr 4 to Apr 18	Apr 18
Lexington	Feb 3 to Feb 17	Apr 14 to Apr 28	Apr 28
Franklin Town	Feb 5 to Feb 19	Apr 16 to Apr 30	Apr 30
Needham	Feb 1 to Feb 15	Apr 12 to Apr 26	Apr 26
North Attleborough Town	Jan 28 to Feb 11	Apr 8 to Apr 22	Apr 22
Norwood	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Northampton	Feb 10 to Feb 24	Apr 21 to May 5	May 5
Gloucester	Feb 9 to Feb 23	Apr 20 to May 4	May 4
Wellesley	Feb 1 to Feb 15	Apr 12 to Apr 26	Apr 26
Melrose	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Bridgewater Town	Feb 6 to Feb 20	Apr 17 to May 1	May 1
West Springfield Town	Feb 8 to Feb 22	Apr 19 to May 3	May 3
Agawam Town	Feb 8 to Feb 22	Apr 19 to May 3	May 3
Saugus	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Milton	Jan 24 to Feb 7	Apr 4 to Apr 18	Apr 18
Danvers	Jan 30 to Feb 13	Apr 10 to Apr 24	Apr 24
Milford	Feb 5 to Feb 19	Apr 16 to Apr 30	Apr 30
Wakefield	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Belmont	Jan 25 to Feb 8	Apr 5 to Apr 19	Apr 19
Burlington	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Reading	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Dedham	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Wilmington	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Stoneham	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Winchester	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25
Gardner	Feb 7 to Feb 21	Apr 18 to May 2	May 2
Marblehead	Jan 31 to Feb 14	Apr 11 to Apr 25	Apr 25

Questions

When should I plant leeks in Massachusetts?

In Boston, plant out from March 21 to April 4. Across Massachusetts the window opens between March 21 and April 21, depending on the local last frost.

How is this date worked out?

Start seeds indoors 10–12 weeks before the last frost; plant out up to 2 weeks before the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Massachusetts

Leeks in other states

Frost dates for every city in Massachusetts