My Planting Calendar

New Hampshire planting calendar

Using New Hampshire’s average last spring frost of May 13 and first fall frost of September 25 — about 135 frost-free days. USDA zones 3b, 4a, 4b, 5a, 5b, 6a.

For dates tuned to your exact location, use the calendar generator.

CropStart indoorsTransplant / sow outFall sowingFirst harvest
CeleriacFeb 18 – Mar 4May 6 – May 23—Aug 21 – Sep 10
OnionFeb 25 – Mar 11Apr 15 – May 2—Jul 21 – Aug 20
LeekFeb 25 – Mar 11Apr 22 – May 9—Aug 7 – Sep 26
CeleryFeb 25 – Mar 11May 6 – May 23—Aug 21 – Sep 30
RosemaryFeb 25 – Mar 11May 13 – May 30—Aug 18 – Sep 17
EggplantMar 4 – Mar 18May 27 – Jun 13—Aug 7 – Aug 27
ParsleyMar 4 – Mar 18Apr 22 – May 9Jul 7 – Jul 24Jul 8 – Jul 28
ShallotMar 4 – Mar 18Apr 15 – May 2Sep 29 – Oct 16Jul 21 – Aug 20
Bell PepperMar 11 – Mar 25May 20 – Jun 6—Jul 26 – Aug 25
Chili PepperMar 11 – Mar 25May 20 – Jun 6—Aug 5 – Sep 4
Green Onion / ScallionMar 11 – Mar 25Apr 8 – Apr 25Jul 21 – Aug 7Jun 14 – Jul 4
ThymeMar 11 – Mar 25May 6 – May 23—Jul 27 – Aug 11
OreganoMar 11 – Mar 25May 6 – May 23—Aug 1 – Aug 11
MintMar 11 – Mar 25Apr 29 – May 16—Jul 15 – Aug 4
SageMar 11 – Mar 25May 6 – May 23—Jul 27 – Aug 11
TarragonMar 11 – Mar 25Apr 29 – May 16—Jul 5 – Aug 4
GingerMar 11 – Mar 25May 27 – Jun 13—Jan 29 – Mar 30
TurmericMar 11 – Mar 25May 27 – Jun 13—Jan 29 – Mar 30
TomatoMar 18 – Apr 1May 13 – May 30—Jul 19 – Aug 13
TomatilloMar 18 – Apr 1May 13 – May 30—Aug 3 – Aug 28
Ground CherryMar 18 – Apr 1May 13 – May 30—Jul 29 – Aug 18
Sweet MarjoramMar 18 – Apr 1May 13 – May 30—Jul 19 – Aug 8
Lemon BalmMar 18 – Apr 1Apr 29 – May 16—Jul 15 – Aug 4
Shiso (Perilla)Mar 18 – Apr 1May 13 – May 30—Jul 29 – Aug 18
KaleMar 25 – Apr 8Apr 15 – May 2Jun 30 – Jul 17Jun 11 – Jun 26
BroccoliMar 25 – Apr 8Apr 22 – May 9Jun 16 – Jul 3Jun 28 – Jul 23
CauliflowerMar 25 – Apr 8Apr 22 – May 9Jun 16 – Jul 3Jun 28 – Jul 28
CabbageMar 25 – Apr 8Apr 15 – May 2Jun 16 – Jul 3Jun 21 – Jul 31
Brussels SproutsMar 25 – Apr 8Apr 22 – May 9May 26 – Jun 12Jul 28 – Aug 27
OkraApr 1 – Apr 15May 20 – Jun 6—Jul 16 – Jul 31
BasilApr 1 – Apr 15May 20 – Jun 6—Jun 26 – Jul 26
Collard GreensApr 1 – Apr 15Apr 15 – May 2Jul 7 – Jul 24Jun 16 – Jul 6
KohlrabiApr 1 – Apr 15Apr 15 – May 2Jul 21 – Aug 7Jun 6 – Jun 21
Endive & EscaroleApr 1 – Apr 15Apr 22 – May 9Jul 7 – Jul 24Jul 23 – Aug 7
RadicchioApr 1 – Apr 15Apr 22 – May 9Jun 30 – Jul 17Jun 28 – Aug 7
ChayoteApr 1 – Apr 15May 20 – Jun 6—Sep 24 – Oct 24
Malabar SpinachApr 1 – Apr 15May 20 – Jun 6—Jul 21 – Aug 5
Summer SavoryApr 1 – Apr 15May 13 – May 30—Jul 14 – Jul 29
Pea—Apr 3 – Apr 22Jul 7 – Jul 24Jun 2 – Jun 17
Spinach—Apr 3 – Apr 22Jul 28 – Aug 14May 15 – May 23
Mache (Corn Salad)—Apr 3 – Apr 22Jul 21 – Aug 7May 23 – Jun 7
LettuceApr 8 – Apr 22Apr 22 – May 9Jul 21 – Aug 7May 29 – Jun 28
Swiss ChardApr 8 – Apr 22Apr 22 – May 9Jul 7 – Jul 24Jun 18 – Jun 28
Bok Choy / Pak ChoiApr 8 – Apr 22Apr 22 – May 9Jul 21 – Aug 7Jun 3 – Jun 18
Fennel (Bulb)Apr 8 – Apr 22Apr 29 – May 16Jun 23 – Jul 10Jul 10 – Aug 4
Napa CabbageApr 8 – Apr 22Apr 22 – May 9Jul 7 – Jul 24Jun 18 – Jul 13
Bitter MelonApr 8 – Apr 22May 20 – Jun 6—Jul 21 – Aug 10
CucamelonApr 8 – Apr 22May 20 – Jun 6—Jul 31 – Aug 10
New Zealand SpinachApr 8 – Apr 22May 13 – May 30—Jul 9 – Jul 29
PeanutApr 8 – Apr 22May 13 – May 30—Aug 28 – Oct 17
WatercressApr 8 – Apr 22Apr 22 – May 9Aug 4 – Aug 21Jun 18 – Jun 28
Luffa (Loofah Gourd)Apr 8 – Apr 22May 20 – Jun 6—Aug 25 – Oct 24
Beet—Apr 10 – Apr 29Jul 14 – Jul 31Jun 4 – Jun 24
Radish—Apr 10 – Apr 29Aug 11 – Aug 28May 7 – May 15
Arugula—Apr 10 – Apr 29Aug 4 – Aug 21May 15 – May 25
Fava Bean (Broad Bean)—Apr 10 – Apr 29Jul 21 – Aug 7Jun 29 – Jul 14
Tatsoi—Apr 10 – Apr 29Jul 28 – Aug 14May 20 – Jun 4
Mizuna—Apr 10 – Apr 29Jul 21 – Aug 7May 20 – May 30
CucumberApr 15 – Apr 29May 20 – Jun 6Jun 23 – Jul 10Jul 16 – Aug 5
Zucchini / Summer SquashApr 15 – Apr 29May 13 – May 30Jun 23 – Jul 10Jul 4 – Jul 19
Winter SquashApr 15 – Apr 29May 13 – May 30—Aug 8 – Sep 7
PumpkinApr 15 – Apr 29May 13 – May 30—Aug 18 – Sep 17
Cantaloupe / MuskmelonApr 15 – Apr 29May 20 – Jun 6—Aug 5 – Aug 25
WatermelonApr 15 – Apr 29May 20 – Jun 6—Aug 5 – Sep 4
Rhubarb—Apr 15 – May 2——
Horseradish—Apr 15 – May 2——
SunflowerApr 15 – Apr 29May 13 – May 30—Jul 29 – Aug 28
Carrot—Apr 17 – May 6Jun 30 – Jul 17Jun 21 – Jul 11
Turnip—Apr 17 – May 6Jul 28 – Aug 14Jun 1 – Jun 21
Mustard Greens—Apr 17 – May 6Jul 28 – Aug 14May 22 – Jun 6
Rapini (Broccoli Raab)—Apr 17 – May 6Jul 21 – Aug 7Jun 1 – Jun 21
Chervil—Apr 17 – May 6Jul 28 – Aug 14Jun 1 – Jun 21
Chives—Apr 22 – May 9——
Asparagus—Apr 22 – May 9——
Sorrel—Apr 22 – May 9——
Potato—Apr 24 – May 13—Jul 8 – Aug 27
Cilantro / Coriander—Apr 24 – May 13Jul 14 – Jul 31Jun 13 – Jul 8
Salsify—Apr 24 – May 13—Aug 17 – Sep 26
Borage—Apr 24 – May 13Jul 21 – Aug 7Jun 23 – Jul 13
Globe Artichoke—Apr 29 – May 16——
Parsnip—May 1 – May 20—Aug 14 – Sep 13
Dill—May 8 – May 27Jul 21 – Aug 7Jun 22 – Jul 12
Bush Bean—May 15 – Jun 3Jun 30 – Jul 17Jul 9 – Jul 19
Pole Bean—May 15 – Jun 3—Jul 19 – Jul 29
Sweet Corn—May 15 – Jun 3—Jul 19 – Aug 28
Edamame (Soybean)—May 15 – Jun 3—Aug 3 – Aug 28
Amaranth (Leaf)—May 15 – Jun 3—Jun 19 – Jul 9
Lima Bean—May 22 – Jun 10—Jul 31 – Aug 30
Southern Pea (Cowpea)—May 22 – Jun 10—Jul 26 – Aug 25
Sweet Potato—May 27 – Jun 13—Sep 1 – Oct 1
Rutabaga——Jun 9 – Jun 26—
Garlic——Oct 6 – Oct 23—

Windows are ~1–2 week bands around each date. Frost dates are a statewide average from NOAA/NCEI normals; your town may differ by two weeks or more. Calendar year 2026.