Zone 10a Planting Calendar

Every listed crop, timed for zone 10a. Not sure this is your zone? Change it using the zone picker at the top of the page.

This zone has two frost dates, so the windows below reflect both 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