Zone 10b Planting Calendar

Every listed crop, timed for zone 10b. Not sure this is your zone?Look it up by ZIP code.

This zone has a distinct planting calendar — windows below are sourced from growinginthegarden.com rather than a single frost date.

Vegetables & Herbs

PlantSpacingWindowMethodStart indoorsDirect sow / transplantEst. harvest
Basil4 per sq ft—Start indoorsJan–JulFeb–Aug~60 days after transplanting
Cantaloupe~4 sq ft each—Start indoorsJan–JunFeb–Jul~80 days after transplanting
Tomato1 per sq ftMonsoon windowStart indoorsMay–JulJul–Sep~70 days after transplanting
Pepper1 per sq ftMonsoon windowStart indoorsMay–JulJul–Sep~75 days after transplanting
Eggplant1 per sq ftMonsoon windowStart indoorsMay–JulJul–Sep~75 days after transplanting
Winter Squash~4 sq ft eachMonsoon windowStart indoorsJun–JulJul–Aug~100 days after transplanting
Pumpkin~4 sq ft eachMonsoon windowStart indoorsJun–JulJul–Aug~110 days after transplanting
Cucumber2 per sq ftMonsoon windowStart indoorsJul–AugAug–Sep~55 days after transplanting
Zucchini1 per sq ftMonsoon windowStart indoorsJul–AugAug–Sep~50 days after transplanting
Sweet Corn1 per sq ftMonsoon windowDirect sow—Jul–Aug~75 days after direct-sowing
Brussels Sprouts1 per sq ft—Start indoorsJul–SepSep–Nov~95 days after transplanting
Celery4 per sq ft—Start indoorsJul–SepSep–Nov~120 days after transplanting
Parsley4 per sq ft—Start indoorsJul–MarOct–Apr~75 days after transplanting
Lettuce4 per sq ft—Start indoorsAug–DecSep–Jan~45 days after transplanting
Spinach9 per sq ft—Start indoorsAug–DecSep–Jan~40 days after transplanting
Kale1 per sq ft—Start indoorsAug–DecSep–Jan~60 days after transplanting
Swiss Chard4 per sq ft—Start indoorsAug–JanSep–Feb~55 days after transplanting
Beet9 per sq ft—Start indoorsAug–JanSep–Feb~55 days after transplanting
Onion9 per sq ft—Start indoorsAug–NovOct–Jan~100 days after transplanting
Bush Beans9 per sq ftMonsoon windowDirect sow—Aug–Sep~55 days after direct-sowing
Broccoli1 per sq ft—Start indoorsAug–DecSep–Jan~65 days after transplanting
Cabbage1 per sq ft—Start indoorsAug–DecSep–Jan~70 days after transplanting
Dill4 per sq ft—Start indoorsAug–NovOct–Jan~55 days after transplanting
Cauliflower1 per sq ft—Start indoorsAug–DecSep–Jan~70 days after transplanting
Potato1 per sq ft—Start indoorsAug–DecSep–Jan~90 days after transplanting
Leek9 per sq ft—Start indoorsAug–NovOct–Jan~110 days after transplanting
Chives9 per sq ft—Start indoorsAug–FebOct–Apr~60 days after transplanting
Carrot16 per sq ft—Direct sow—Sep–Mar~70 days after direct-sowing
Radish16 per sq ft—Direct sow—Sep–Mar~25 days after direct-sowing
Pea8 per sq ft—Direct sow—Sep–Jan~60 days after direct-sowing
Turnip9 per sq ft—Direct sow—Sep–Jan~50 days after direct-sowing
Garlic4 per sq ft—Direct sow—Oct–Nov~240 days after direct-sowing
Cilantro9 per sq ft—Direct sow—Oct–Jan~50 days after direct-sowing
Rosemary1 per sq ftMonsoon windowStart indoors—Oct–Nov~90 days after transplanting
Thyme4 per sq ftMonsoon windowStart indoors—Oct–Nov~90 days after transplanting
Oregano4 per sq ftMonsoon windowStart indoors—Oct–Nov~80 days after transplanting
Superhot Pepper (Ghost, Reaper, Scorpion)1 per sq ft—Start indoorsNov 14–Nov 21Feb 13–Feb 20~135 days after transplanting
Tomato1 per sq ftSpring windowStart indoorsDec–FebFeb–Apr~70 days after transplanting
Pepper1 per sq ftSpring windowStart indoorsDec–FebFeb–Apr~75 days after transplanting
Eggplant1 per sq ftSpring windowStart indoorsDec–FebMar–Apr~75 days after transplanting
Sage1 per sq ft—Start indoorsDec 5–Dec 12Feb 13–Feb 20~75 days after transplanting
Collard Greens1 per sq ft—EitherDec 12–Dec 19Jan 9–Jan 16~70 days after planting
Arugula9 per sq ft—Direct sow—Dec 26–Jan 2 '27~40 days after direct-sowing
Bok Choy1 per sq ft—EitherDec 26–Jan 2 '27Jan 30–Feb 6~50 days after planting
Kohlrabi4 per sq ft—EitherDec 26–Jan 2 '27Jan 16–Jan 23~55 days after planting
Fennel (Florence/bulbing)1 per sq ft—EitherDec 26–Jan 2 '27Feb 13–Feb 20~90 days after planting
Cucumber2 per sq ftSpring windowStart indoorsJan–MarFeb–Apr~55 days after transplanting
Zucchini1 per sq ftSpring windowStart indoorsJan–FebFeb–Mar~50 days after transplanting
Sweet Potato~4 sq ft each—Start indoorsJan–AprMar–Jun~110 days after transplanting
Mustard Greens4 per sq ft—Direct sow—Jan 9–Jan 16~40 days after direct-sowing
Scallion (Green Onion)9 per sq ft—Direct sow—Jan 16–Jan 23~60 days after direct-sowing
Winter Squash~4 sq ft eachSpring windowStart indoorsFebMar~100 days after transplanting
Pumpkin~4 sq ft eachSpring windowStart indoorsFebMar~110 days after transplanting
Sweet Corn1 per sq ftSpring windowDirect sow—Feb–Mar~75 days after direct-sowing
Okra1 per sq ft—Start indoorsFeb–MayMar–Jun~58 days after transplanting
Watermelon~4 sq ft each—Direct sow—Feb–Jun~85 days after direct-sowing
Rosemary1 per sq ftSpring windowStart indoors—Feb–Apr~90 days after transplanting
Thyme4 per sq ftSpring windowStart indoors—Feb–Apr~90 days after transplanting
Oregano4 per sq ftSpring windowStart indoors—Feb–Apr~80 days after transplanting
Bush Beans9 per sq ftSpring windowDirect sow—Mar–Apr~55 days after direct-sowing

Flowers

PlantSpacingWindowMethodStart indoorsDirect sow / transplantEst. bloom
Hollyhock~4 sq ft each—Start indoorsAug–JanOct–Mar~180 days after transplanting
Ranunculus5 per sq ft—Direct sow—Oct–Dec~105 days after direct-sowing
Pansy / Viola2 per sq ft—Start indoorsNov 7–Nov 14Jan 16–Jan 23~65 days after transplanting
Vinca (Madagascar Periwinkle)1 per sq ft—Start indoorsNov 21–Nov 28Feb 13–Feb 20~80 days after transplanting
Petunia1 per sq ft—Start indoorsNov 28–Dec 5Feb 13–Feb 20~70 days after transplanting
Snapdragon2 per sq ft—Start indoorsNov 28–Dec 5Jan 23–Jan 30~90 days after transplanting
Purple Coneflower~4 sq ft each—EitherNov 28–Dec 5Feb 13–Feb 20~365 days after planting
Salvia (Scarlet Sage)1 per sq ft—Start indoorsDec 5–Dec 12Feb 13–Feb 20~80 days after transplanting
Calendula1 per sq ft—EitherDec 12–Dec 19Jan 16–Jan 23~50 days after planting
Black-Eyed Susan1 per sq ft—EitherDec 12–Dec 19Jan 9–Jan 16~70 days after planting
Bachelor's Button (Cornflower)3 per sq ft—EitherDec 12–Dec 19Jan 16–Jan 23~75 days after planting
Sweet Alyssum3 per sq ft—EitherDec 12–Dec 19Jan 30–Feb 6~40 days after planting
Gaillardia (Blanket Flower)1 per sq ft—EitherDec 12–Dec 19Feb 6–Feb 13~80 days after planting
Portulaca (Moss Rose)1 per sq ft—EitherDec 12–Dec 19Feb 6–Feb 13~60 days after planting
Celosia2 per sq ft—EitherDec 12–Dec 19Feb 6–Feb 13~80 days after planting
Gomphrena (Globe Amaranth)1 per sq ft—Start indoorsDec 12–Dec 19Feb 6–Feb 13~90 days after transplanting
Angelonia (Summer Snapdragon)2 per sq ft—Start indoorsDec 12–Dec 19Feb 13–Feb 20~98 days after transplanting
Cleome (Spider Flower)1 per sq ft—EitherDec 12–Dec 19Feb 13–Feb 20~75 days after planting
Marigold4 per sq ft—EitherDec 19–Dec 26Feb 6–Feb 13~50 days after planting
Sweet Pea2 per sq ft—Direct sow—Dec 19–Dec 26~85 days after direct-sowing
Cosmos1 per sq ft—EitherDec 26–Jan 2 '27Feb 6–Feb 13~70 days after planting
Moonflower2 per sq ft—EitherDec 26–Jan 2 '27Jan 30–Feb 6~90 days after planting
Zinnia1 per sq ft—EitherJan 2–Jan 9Feb 6–Feb 13~65 days after planting
Larkspur1 per sq ft—Direct sow—Jan 2–Jan 9~95 days after direct-sowing
California Poppy2 per sq ft—Direct sow—Jan 16–Jan 23~80 days after direct-sowing
Lupine~2 sq ft each—Direct sow—Jan 16–Jan 23~80 days after direct-sowing
Gladiolus2 per sq ft—Direct sow—Jan 16–Jan 23~90 days after direct-sowing
Sunflower~2 sq ft each—Direct sow—Jan 30–Feb 6~80 days after direct-sowing
Tulip7 per sq ft—Direct sow—Jan 30–Feb 6~180 days after direct-sowing
Daffodil (Narcissus)5 per sq ft—Direct sow—Jan 30–Feb 6~150 days after direct-sowing
Crocus12 per sq ft—Direct sow—Jan 30–Feb 6~150 days after direct-sowing
Hyacinth5 per sq ft—Direct sow—Jan 30–Feb 6~150 days after direct-sowing
Ornamental Allium5 per sq ft—Direct sow—Jan 30–Feb 6~195 days after direct-sowing
Dutch Iris4 per sq ft—Direct sow—Jan 30–Feb 6~210 days after direct-sowing
Nasturtium1 per sq ft—Direct sow—Feb 6–Feb 13~55 days after direct-sowing
Four O'Clock~2 sq ft each—Direct sow—Feb 6–Feb 13~70 days after direct-sowing
Verbena~2 sq ft each—Direct sow—Feb 6–Feb 13~80 days after direct-sowing
Desert Marigold1 per sq ft—Direct sow—Feb 6–Feb 13~75 days after direct-sowing
Morning Glory~4 sq ft each—Direct sow—Feb 13–Feb 20~75 days after direct-sowing
Dahlia1 per sq ft—Direct sow—Feb 13–Feb 20~90 days after direct-sowing
Lantana~4 sq ft each—Buy as a start—Feb 13–Feb 20~90 days after transplanting
Hyacinth Bean Vine1 per sq ft—Direct sow—Feb 20–Feb 27~90 days after direct-sowing