Zone 3a Planting Calendar

Every listed crop, timed for zone 3a. Not sure this is your zone? Change it using the zone picker at the top of the page.

This zone has a single frost date, and the windows below are based on it.

Vegetables & Herbs

PlantSpacingWindowMethodStart indoorsDirect sow / transplantEst. harvest
Garlic4 per sq ft—Direct sow—Jan 10–Jan 17~240 days after direct-sowing
Superhot Pepper (Ghost, Reaper, Scorpion)1 per sq ft—Start indoorsMar 14–Mar 21Jun 13–Jun 20~135 days after transplanting
Celery4 per sq ft—Start indoorsMar 21–Mar 28May 16–May 23~120 days after transplanting
Leek9 per sq ft—Start indoorsMar 21–Mar 28May 9–May 16~110 days after transplanting
Rosemary1 per sq ft—Start indoorsMar 21–Mar 28Jun 13–Jun 20~90 days after transplanting
Pepper1 per sq ft—Start indoorsApr 4–Apr 11Jun 13–Jun 20~75 days after transplanting
Onion9 per sq ft—Start indoorsApr 4–Apr 11May 9–May 16~100 days after transplanting
Eggplant1 per sq ft—Start indoorsApr 4–Apr 11Jun 13–Jun 20~75 days after transplanting
Sweet Potato~4 sq ft each—Start indoorsApr 4–Apr 11Jun 20–Jun 27~110 days after transplanting
Thyme4 per sq ft—Start indoorsApr 4–Apr 11Jun 6–Jun 13~90 days after transplanting
Oregano4 per sq ft—Start indoorsApr 4–Apr 11Jun 6–Jun 13~80 days after transplanting
Chives9 per sq ft—EitherApr 4–Apr 11May 16–May 23~60 days after planting
Parsley4 per sq ft—EitherApr 4–Apr 11May 16–May 23~75 days after planting
Sage1 per sq ft—Start indoorsApr 4–Apr 11Jun 13–Jun 20~75 days after transplanting
Collard Greens1 per sq ft—EitherApr 11–Apr 18May 9–May 16~70 days after planting
Tomato1 per sq ft—Start indoorsApr 18–Apr 25Jun 13–Jun 20~70 days after transplanting
Kale1 per sq ft—EitherApr 18–Apr 25May 9–May 16~60 days after planting
Pea8 per sq ft—Direct sow—Apr 18–Apr 25~60 days after direct-sowing
Broccoli1 per sq ft—Start indoorsApr 18–Apr 25May 16–May 23~65 days after transplanting
Cabbage1 per sq ft—Start indoorsApr 18–Apr 25May 16–May 23~70 days after transplanting
Basil4 per sq ft—Start indoorsApr 18–Apr 25Jun 13–Jun 20~60 days after transplanting
Cauliflower1 per sq ft—Start indoorsApr 18–Apr 25May 16–May 23~70 days after transplanting
Brussels Sprouts1 per sq ft—Start indoorsApr 18–Apr 25May 16–May 23~95 days after transplanting
Arugula9 per sq ft—Direct sow—Apr 25–May 2~40 days after direct-sowing
Bok Choy1 per sq ft—EitherApr 25–May 2May 30–Jun 6~50 days after planting
Kohlrabi4 per sq ft—EitherApr 25–May 2May 16–May 23~55 days after planting
Fennel (Florence/bulbing)1 per sq ft—EitherApr 25–May 2Jun 13–Jun 20~90 days after planting
Lettuce4 per sq ft—EitherMay 2–May 9May 16–May 23~45 days after planting
Spinach9 per sq ft—Direct sow—May 2–May 9~40 days after direct-sowing
Swiss Chard4 per sq ft—EitherMay 2–May 9May 16–May 23~55 days after planting
Radish16 per sq ft—Direct sow—May 2–May 9~25 days after direct-sowing
Okra1 per sq ft—EitherMay 2–May 9Jun 13–Jun 20~58 days after planting
Cucumber2 per sq ft—EitherMay 9–May 16Jun 6–Jun 13~55 days after planting
Zucchini1 per sq ft—EitherMay 9–May 16Jun 6–Jun 13~50 days after planting
Carrot16 per sq ft—Direct sow—May 9–May 16~70 days after direct-sowing
Beet9 per sq ft—Direct sow—May 9–May 16~55 days after direct-sowing
Cantaloupe~4 sq ft each—EitherMay 9–May 16Jun 13–Jun 20~80 days after planting
Turnip9 per sq ft—Direct sow—May 9–May 16~50 days after direct-sowing
Mustard Greens4 per sq ft—Direct sow—May 9–May 16~40 days after direct-sowing
Cilantro9 per sq ft—Direct sow—May 16–May 23~50 days after direct-sowing
Potato1 per sq ft—Direct sow—May 16–May 23~90 days after direct-sowing
Scallion (Green Onion)9 per sq ft—Direct sow—May 16–May 23~60 days after direct-sowing
Dill4 per sq ft—Direct sow—May 23–May 30~55 days after direct-sowing
Winter Squash~4 sq ft each—Direct sow—Jun 6–Jun 13~100 days after direct-sowing
Pumpkin~4 sq ft each—Direct sow—Jun 6–Jun 13~110 days after direct-sowing
Bush Beans9 per sq ft—Direct sow—Jun 6–Jun 13~55 days after direct-sowing
Sweet Corn1 per sq ft—Direct sow—Jun 6–Jun 13~75 days after direct-sowing
Watermelon~4 sq ft each—Direct sow—Jun 13–Jun 20~85 days after direct-sowing

Flowers

PlantSpacingWindowMethodStart indoorsDirect sow / transplantEst. bloom
Tulip7 per sq ft—Direct sow—Sep–Oct~180 days after direct-sowing
Daffodil (Narcissus)5 per sq ft—Direct sow—Sep–Nov~150 days after direct-sowing
Crocus12 per sq ft—Direct sow—Sep–Nov~150 days after direct-sowing
Ornamental Allium5 per sq ft—Direct sow—Sep–Nov~195 days after direct-sowing
Pansy / Viola2 per sq ft—Start indoorsMar 7–Mar 14May 16–May 23~65 days after transplanting
Vinca (Madagascar Periwinkle)1 per sq ft—Start indoorsMar 21–Mar 28Jun 13–Jun 20~80 days after transplanting
Petunia1 per sq ft—Start indoorsMar 28–Apr 4Jun 13–Jun 20~70 days after transplanting
Snapdragon2 per sq ft—Start indoorsMar 28–Apr 4May 23–May 30~90 days after transplanting
Purple Coneflower~4 sq ft each—EitherMar 28–Apr 4Jun 13–Jun 20~365 days after planting
Salvia (Scarlet Sage)1 per sq ft—Start indoorsApr 4–Apr 11Jun 13–Jun 20~80 days after transplanting
Calendula1 per sq ft—EitherApr 11–Apr 18May 16–May 23~50 days after planting
Black-Eyed Susan1 per sq ft—EitherApr 11–Apr 18May 9–May 16~70 days after planting
Bachelor's Button (Cornflower)3 per sq ft—EitherApr 11–Apr 18May 16–May 23~75 days after planting
Sweet Alyssum3 per sq ft—EitherApr 11–Apr 18May 30–Jun 6~40 days after planting
Gaillardia (Blanket Flower)1 per sq ft—EitherApr 11–Apr 18Jun 6–Jun 13~80 days after planting
Portulaca (Moss Rose)1 per sq ft—EitherApr 11–Apr 18Jun 6–Jun 13~60 days after planting
Celosia2 per sq ft—EitherApr 11–Apr 18Jun 6–Jun 13~80 days after planting
Gomphrena (Globe Amaranth)1 per sq ft—Start indoorsApr 11–Apr 18Jun 6–Jun 13~90 days after transplanting
Angelonia (Summer Snapdragon)2 per sq ft—Start indoorsApr 11–Apr 18Jun 13–Jun 20~98 days after transplanting
Cleome (Spider Flower)1 per sq ft—EitherApr 11–Apr 18Jun 13–Jun 20~75 days after planting
Marigold4 per sq ft—EitherApr 18–Apr 25Jun 6–Jun 13~50 days after planting
Sweet Pea2 per sq ft—Direct sow—Apr 18–Apr 25~85 days after direct-sowing
Cosmos1 per sq ft—EitherApr 25–May 2Jun 6–Jun 13~70 days after planting
Moonflower2 per sq ft—EitherApr 25–May 2May 30–Jun 6~90 days after planting
Zinnia1 per sq ft—EitherMay 2–May 9Jun 6–Jun 13~65 days after planting
Larkspur1 per sq ft—Direct sow—May 2–May 9~95 days after direct-sowing
Hollyhock~4 sq ft each—Direct sow—May 16–May 23~180 days after direct-sowing
California Poppy2 per sq ft—Direct sow—May 16–May 23~80 days after direct-sowing
Lupine~2 sq ft each—Direct sow—May 16–May 23~80 days after direct-sowing
Gladiolus2 per sq ft—Direct sow—May 16–May 23~90 days after direct-sowing
Ranunculus5 per sq ft—Direct sow—May 23–May 30~105 days after direct-sowing
Sunflower~2 sq ft each—Direct sow—May 30–Jun 6~80 days after direct-sowing
Hyacinth5 per sq ft—Direct sow—May 30–Jun 6~150 days after direct-sowing
Dutch Iris4 per sq ft—Direct sow—May 30–Jun 6~210 days after direct-sowing
Nasturtium1 per sq ft—Direct sow—Jun 6–Jun 13~55 days after direct-sowing
Four O'Clock~2 sq ft each—Direct sow—Jun 6–Jun 13~70 days after direct-sowing
Verbena~2 sq ft each—Direct sow—Jun 6–Jun 13~80 days after direct-sowing
Desert Marigold1 per sq ft—Direct sow—Jun 6–Jun 13~75 days after direct-sowing
Morning Glory~4 sq ft each—Direct sow—Jun 13–Jun 20~75 days after direct-sowing
Dahlia1 per sq ft—Direct sow—Jun 13–Jun 20~90 days after direct-sowing
Lantana~4 sq ft each—Buy as a start—Jun 13–Jun 20~90 days after transplanting
Hyacinth Bean Vine1 per sq ft—Direct sow—Jun 20–Jun 27~90 days after direct-sowing