Warm Winter / Frost-Free Areas — Zones 9b–12

April is full spring momentum in the warm-winter zones, with many gardens shifting decisively into warm-season planting while remaining cool-season crops finish strong. This is a great month to direct sow and transplant heat lovers outdoors, and to keep succession planting going so harvests don't gap as days get longer and brighter. In the hottest areas, start planning for rising temperatures by watching irrigation closely, adding mulch, and timing your final rounds of tender cool-season crops before consistent heat arrives.

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 April: cucumber, squash, beans, corn, melons, and okra. Transition note: lettuce, spinach, and other cool-season greens can still be sown in early April in some areas, but will bolt as the month progresses.

Cover crops: buckwheat, cow peas, sorghum

Tip: A Southern California 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
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Bean Seeds - Bush - Pintosmall size packet type seed packaging for - Bean Bush Pinto
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Corn Seeds - Sweet - Stowells Evergreenmid size pouch type seed packaging for - Corn Sweet Stowells Evergreen
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Chinese Cabbage - Sprouting SeedsChinese Cabbage - Sprouting Seeds
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Corn Seeds - Flint - Hopi Blue
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Bean Seeds - Pole - Winged Beanmid size pouch type seed packaging for - Bean Pole Winged Bean
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Buckwheat - Whole (Organic) - Sprouting SeedsBuckwheat - Whole (Organic) - Sprouting Seeds
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Onion - Sprouting SeedsOnion - Sprouting Seeds
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Corn Seeds - Sweet - (su) Early Sunglow Hybridmid size pouch type seed packaging for - Corn Sweet su Early Sunglow Hybrid
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Alfalfa - Cover Crop Seedsmid size pouch type seed packaging for - Alfalfa Cover Crop
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Cabbage Seeds - Red Acre (Organic) - Microgreens Seedsmid size pouch type seed packaging for - Cabbage Red Acre Organic Microgreens
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Chives Seeds - Garlic (Organic)small size packet type seed packaging for - Chives Garlic Organic
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Corn Seeds - Sweet - Serendipity Bicolor TripleSweet Hybridmid size pouch type seed packaging for - Corn Sweet Serendipity Bicolor TripleSweet Hybrid
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Adzuki Bean - Organic - Sprouting SeedsAdzuki Bean - Organic - Sprouting Seeds
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Wheat - Hard Red Winter (Organic) - Sprouting SeedsWheat - Hard Red Winter (Organic) - Sprouting Seeds
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Sprouting Mix - Health Blend - Organic Sprouting Seedslarge size bucket type seed packaging for - Winter Rye Organic Bulk Grains & Foods
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Radish - China Rose (Organic) - Microgreens Seeds
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Sunflower Seeds - All Sorts Mixture
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Chives Seeds
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Cabbage - Mammoth Red Rock - Microgreens Seeds
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