What to Plant in June in Zone 3

Here is what you can sow in June if you garden in USDA zone 3. Dates use typical zone 3 frosts, so your own microclimate may shift them by a week or two.

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CropWindowSow between
Tomato, slicingBig BeefspringMay 22Jun 20
Tomato, cherrySun GoldspringMay 22Jul 6
Tomato, pasteAmish PastespringMay 22Jun 13
Pepper, bellAcespringMay 31Jun 23
Pepper, hotJalapeñospringMay 31Jun 23
EggplantNadiaspringJun 5Jun 28
Cucumber, slicingMarketmore 76springMay 22Jun 29
Cucumber, picklingExcelsiorspringMay 22Jul 9
Squash, summerZucchini DunjaspringMay 22Jul 13
Squash, winterWaltham ButternutspringJun 21Aug 5
WatermelonCrimson SweetspringJun 5Jun 15
CantaloupeHale's BestspringJun 5Jun 20
OkraClemson SpinelessspringJun 5Jul 8
Sweet CornInspirationspringMay 22Jun 25
Bush BeanProviderspringMay 15Jul 4
Pole BeanKentucky WonderspringMay 22Jun 24
Snap PeaSugar SnapfallJun 23Jul 1
Sweet PotatoBeauregardspringJun 21Aug 5
PotatoKennebecfallMay 28Jun 10
BasilGenovesespringJun 5Jul 23
ParsleyItalian Flat-LeaffallJun 15Jul 31
KaleDazzling BluefallJun 15Jul 31
Swiss ChardBright LightsspringApr 21Jun 5
CollardsGeorgia SouthernfallJun 1Jul 31
Mustard GreensFlorida BroadleaffallJun 20Aug 1
CabbageTiarafallJun 1Jul 16
BroccoliBelstarfallJun 1Jul 11
CauliflowerSnow CrownfallJun 1Jul 6
KohlrabiWinnerfallJun 20Jul 21
CarrotNapolifallJun 20Jul 16
BeetDetroit Dark RedfallJun 20Jul 21
TurnipPurple TopfallJun 20Jul 26
Onion, bunchingEvergreenfallJun 20Jul 31
Lima Bean (Bush)HendersonspringMay 22Jun 24
Edamame (Soybean)EnvyspringMay 22Jun 25
Southern Pea (Black-Eyed Pea)California Blackeye No. 5springMay 29Jun 24
English Shelling PeaLittle MarvelfallJun 23Jun 30
Bean, dryPintospringMay 22Jul 14
Corn, dent (grinding)Reid's Yellow DentspringMay 22Jun 29
Amaranth, grainGolden GiantspringMay 29Jul 4
Sorghum, grainMennonitespringMay 29Jul 4
Pigeon peaGeorgia-2 (early dwarf)springMay 29Jun 24
Brussels SproutsLong Island ImprovedfallJun 1Jul 17
Napa CabbageBlues F1fallJun 7Jul 17
Bok ChoyJoi Choi F1fallJun 27Aug 6
Rapini (Broccoli Raab)Zamboni F1fallJun 22Aug 1
Gai Lan (Chinese Broccoli)Crispy BluefallJun 17Jul 27
TatsoiTatsoifallJun 22Aug 6
MizunaMizuna EarlyfallJun 27Aug 11
Daikon RadishMiyashigefallJun 27Aug 6
EndiveFrisée Fine MaraîchèrefallJun 22Jul 27
EscaroleBatavian Full HeartfallJun 22Jul 27
RadicchioPalla Rossa MavrikfallJun 12Jul 22
Amaranth LeafRed GarnetspringMay 15Jun 5
CeleryTangofallJun 7Jul 7
ParsnipHollow CrownfallJun 2Jul 7
LeekLincolnfallJun 2Jul 21
SalsifyMammoth Sandwich IslandfallMay 26Jul 7
CeleriacPrinzfallJun 9Jul 14
RutabagaLaurentianfallJun 2Jul 14
Fennel, FlorenceOrionfallJun 16Jul 21
TomatilloToma VerdespringMay 22Jun 28
Ground CherryAunt Molly'sspringMay 22Jun 23
Honeydew MelonEarli-DewspringJun 5Jun 15
Spaghetti SquashTivolispringJun 5Jun 12
Acorn SquashTable QueenspringJun 5Jun 20
Luffa GourdSmooth LuffaspringJun 5Jun 10
Sunflower, confectionMammoth Grey StripespringMay 29Jun 20
Strawberry, day-neutralAlbionspringMay 1Jun 3
Pepper, bananaSweet BananaspringMay 31Jun 19
Pepper, poblanoPoblanospringMay 31Jun 14
Pepper, serranoSerrano TampiquenospringMay 31Jun 24
Pepper, cayenneLong SlimspringMay 31Jun 19
Pepper, shishitoShishitospringMay 31Jun 29
Pepper, habaneroOrange HabanerospringMay 31Jun 11
DillFernleafspringMay 8Jun 26
OreganoGreekspringMay 8Jun 26
ThymeEnglishspringMay 8Jun 26
RosemaryTuscan BluespringMay 15Jun 26
SageBroadleafspringMay 15Jun 26
MintSpearmintspringMay 15Jul 10
ChivesCommonspringMay 1Jun 26
TarragonFrenchspringJun 5Jul 24
MarjoramSweet MarjoramspringMay 29Aug 7
Lemon BalmCommonspringMay 29Jul 24
Summer SavoryCommonspringMay 29Aug 7
BlueberryBluecrop (northern highbush)springMay 1Jun 14
BlackberryTriple Crown (thornless)springMay 1Jun 5
Strawberry, June-bearingHoneoyespringMay 1Jun 5
HorseradishBig TopspringMay 1Jun 14
Sunchoke (Jerusalem Artichoke)StampedespringApr 24Jun 5
GingerBaby Ginger (Hawaiian)springJun 14Jul 14
TurmericHawaiian RedspringJun 14Jul 14
PeanutValenciaspringMay 29Jun 29
LavenderMunstead (English)springMay 15Jun 26
LemongrassWest IndianspringJun 5Jun 18
Bay LaurelSweet BayspringMay 29Jul 14
BorageCommonspringMay 15Jul 24
SteviaSweet LeafspringMay 29Jun 29
Catmint (Catnip)Nepeta catariaspringMay 15Jul 14
Shiso (Perilla)BrittonspringJun 5Jul 24
Scarlet Runner BeanScarlet EmperorspringMay 22Jun 30
PopcornRobust PopspringMay 22Jul 14
Cucamelon (Mouse Melon)Melothria scabraspringMay 29Jul 8
Malabar SpinachRed StemspringJun 5Jul 24
TomatospringMay 22Jun 20
Pepper, sweetspringMay 31Jun 23
CucumberspringMay 22Jun 29
BeanspringMay 15Jul 4
NasturtiumJewel MixspringMay 15Jun 26
Chamomile, GermanCommonspringMay 1Jun 12

Zone 3 in June

June in Zone 3: Starting Fall Crops While Summer Is Still New

Fall cabbage and broccoli need an indoor start now

It feels early, but fall-season broccoli, cabbage, and the other brassicas on this month's table need only 5 to 6 weeks indoors before they transplant out later in summer, and starting them any longer than that just breeds the stressed, root-bound transplant that buttons instead of heading, well before your first frost near mid-September closes the window down. Start seed under the same lights you used for spring starts back in February.

A second potato planting listed as unique to this month is a small hedge, not a full crop: tuck a few seed potatoes into a gap in the bed to catch a fall harvest, understanding that a short season leaves this crop racing the clock from the start.

Water depth matters more than water frequency in full heat

Tomatoes, squash, and corn planted earlier now need roughly 1.5 inches of water a week, delivered in 2 deep soakings rather than daily light sprinkling. Push a finger 3 inches into the soil after watering, and if it comes out dry, the water did not reach the roots that need it.

Mulch every bed that is not already covered with 2 to 3 inches of straw or grass clippings. That layer alone can cut soil moisture loss by roughly a third during the hottest stretch of a season here, which usually peaks in late summer.

Check tomato and pepper leaves for the first sign of blossom end rot on developing fruit, a dark leathery patch at the bottom end. Uneven watering is the usual cause, so a consistent soaking schedule fixes more of these cases than any calcium spray from the garden shelf.

June in zone 3: common questions

What can I plant in June in zone 3?+

In June, USDA zone 3 gardeners can sow Tomato, slicing, Tomato, cherry, Tomato, paste, Pepper, bell, Pepper, hot, Eggplant, and more. Dates use typical zone 3 frosts, so your own microclimate may shift them by a week or two.

What USDA hardiness zone am I in?+

Zone 3 is one band of the map, but planting time is set by your local frost dates, not the zone number. Enter your ZIP code in the free planner and it uses your actual frost dates, which can differ by weeks within a single zone.

Are these June planting dates exact?+

They are typical zone 3 windows. Two gardens in the same zone can be a week or two apart because of elevation and local climate, so treat these as a starting point and tune them to your ZIP code with the free planner.