Warm Winter / Frost-Free Areas

Zones: 9b–12

March can be peak garden season in these warm-winter zones. It is also a "pivot" month for gardening in much of the warmer parts of these zones. The risk of frost is over. Cool-season crops are in and doing well. March & April are the times to start transitioning from cool-season greens to heat-loving summer crops.

Indoors (fresh harvests):

  • Microgreens: peas, broccoli, sunflowers, arugula.
  • Sprouts: alfalfa, broccoli, radish, mung
  • Herbs & greens under lights: chives, parsley, mint

Transplants to move outdoors (weather permitting - harden first): pepper, tomato, eggplant, melons, basil

Crops that can be directly sown outdoors in March: cucumber, squash, beans, corn, melons, okra, plus replanting for many greens and root crops

Cover crops: buckwheat, cow peas, sorghum

Tip: A SoCal zone 10 can be different from a Florida zone 10. Consider checking with your state Extension Service office for more specific recommendations and guidelines.

Use your USDA zone as a guide. Microclimates matter—coastal/urban spots run warmer; high elevation runs colder.

50 100 true //store.trueleafmarket.com/cdn/shop/t/54/assets/review-fallback.json?v=33078429469613971781712858278
Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites
2374 Items
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Eggplant Seeds - Hansel Hybridmid size pouch type seed packaging for - Eggplant Hansel Hybrid
-0
AAS Winner
Eggplant Seeds - Hansel Hybrid
Starting at $4.09
Celosia Seeds - Plumed - Kimono Mixturemid size pouch type seed packaging for - Celosia Plumed Kimono Mixture
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Celosia Seeds - Plumed - Kimono Mixture
Starting at $3.59
Tomato Seeds - Cherry - Brad's Atomic Grape
-28%
Heirloom
Tomato Seeds - Cherry - Brad's Atomic Grape
Starting at $1.99
Salvia Seeds - Red Hot Sally IImid size pouch type seed packaging for - Salvia Red Hot Sally II
-0
Salvia Seeds - Red Hot Sally II
Starting at $4.89
Eggplant Seeds - Kamomid size pouch type seed packaging for - Eggplant Kamo
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Heirloom
Eggplant Seeds - Kamo
Starting at $3.99
Tomato Seeds - Slicing - CreoleTomato Seeds - Slicing - Creole
-0
Heirloom
Tomato Seeds - Slicing - Creole
Starting at $2.99
Squash Seeds - Winter - Hubbard Blue - Organicsmall size packet type seed packaging for - Squash Winter Hubbard Blue Organic
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Organic
Squash Seeds - Winter - Hubbard Blue - Organic
Starting at $3.89
White Ladino CloverWhite Ladino Clover
-0
Heirloom
White Ladino Clover
Starting at $3.29
Lettuce Seeds - Merveille Des Quatre Saisonssmall size packet type seed packaging for - Lettuce Merveille Des Quatre Saisons
-0
Heirloom
Lettuce Seeds - Merveille Des Quatre Saisons
Starting at $2.99
Pepper Seeds - Sweet - Corno Di Toro Rossosmall size packet type seed packaging for - Pepper Sweet Corno Di Toro Rosso
-0
Heirloom
Pepper Seeds - Sweet - Corno Di Toro Rosso
Starting at $2.99
Nasturtium Seeds - Jewel Mix (Organic)Nasturtium Seeds - Jewel Mix (Organic)
-17%
Heirloom
Organic
Nasturtium Seeds - Jewel Mix (Organic)
Starting at $11.39
Pepper - Sweet - Midnight Dreamsmid size pouch type seed packaging for - Pepper Sweet Midnight Dreams
-0
Heirloom
Pepper - Sweet - Midnight Dreams
Starting at $2.99
Squash Seeds - Summer - Golden Zucchini (Organic)small size packet type seed packaging for - Squash Summer Golden Zucchini Organic
-0
Heirloom
Organic
Squash Seeds - Summer - Golden Zucchini (Organic)
Starting at $3.59
Bean Seeds - Bush - Phenomenal (Cowpeas)mid size pouch type seed packaging for - Zinnia Magellan Series Orange
-0
Bean Seeds - Bush - Phenomenal (Cowpeas)
Starting at $3.62
Eggplant Seeds - Purple Comet F1mid size pouch type seed packaging for - Eggplant Purple Comet F1
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Eggplant Seeds - Purple Comet F1
Starting at $6.39
Tomato Seeds - Slicing - Rosso Siciliansmall size packet type seed packaging for - Tomato Slicing Rosso Sicilian
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Heirloom
Tomato Seeds - Slicing - Rosso Sicilian
Starting at $2.99
Cabbage Seeds - Drumheadsmall size packet type seed packaging for - Cabbage Drumhead
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Heirloom
Cabbage Seeds - Drumhead
Starting at $2.99
Pak Choi Seeds - Little Shanghai - Hybridmid size pouch type seed packaging for - Pak Choi Little Shanghai Hybrid
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Pak Choi Seeds - Little Shanghai - Hybrid
Starting at $3.99
Squash Seeds - Winter - Amish Piesmall size packet type seed packaging for - Squash Winter Amish Pie
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Heirloom
Squash Seeds - Winter - Amish Pie
Starting at $3.09
Pepper Seeds - Sweet - White Zinfandel Hybridmid size pouch type seed packaging for - Pepper Sweet White Zinfandel Hybrid
-58%
Pepper Seeds - Sweet - White Zinfandel Hybrid
Starting at $1.99
Tomato Seeds - Slicing - Ponderosa Red
-0
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Tomato Seeds - Slicing - Ponderosa Red
Starting at $2.79
Tomato Seeds - Cherry - Brown Berrymid size pouch type seed packaging for - Tomato Cherry Brown Berry
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Heirloom
Tomato Seeds - Cherry - Brown Berry
Starting at $3.09
Agastache Seeds - Arizona Sunmid size pouch type seed packaging for - Agastache Arizona Sun
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Agastache Seeds - Arizona Sun
Starting at $4.09
Pak Choi Seeds - QD-2 Express - Hybridmid size pouch type seed packaging for - Pak Choi QD-2 Express Hybrid
-0
Pak Choi Seeds - QD-2 Express - Hybrid
Starting at $3.99
Alyssum Seeds - Rosie O Day
Starting at $2.99
Lettuce Seeds - Tango - Organic
Starting at $3.59
Squash Seeds - Winter - Cushaw Orange Stripe (Organic)
Starting at $3.89
Hollyhock Seeds - Nigra
Starting at $2.99
Calendula Seeds - Orange Pacific Beauty (Organic)
Starting at $3.59
Tomato Seeds - Salad - Garden Peach
Starting at $3.39
Squash Seeds - Winter - Long Island Cheese
Starting at $3.79
Onion Sets - Snowball White
$6.48 $12.95
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