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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
Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites
147 Items
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Mung Bean - Organic - Sprouting SeedsMung Bean - Organic - Sprouting Seeds
-0
Heirloom
Organic
Mung Bean - Organic - Sprouting Seeds
Starting at $3.59
Amaranth - Red Garnet - Microgreens Seedsmid size pouch type seed packaging for - Amaranth Red Garnet Microgreens
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Heirloom
Amaranth - Red Garnet - Microgreens Seeds
Starting at $2.99
Radish Seeds - Microgreen - Daikon Minowase (Organic)Radish Seeds - Microgreen - Daikon Minowase (Organic)
-0
Heirloom
Organic
Radish Seeds - Microgreen - Daikon Minowase (Organic)
Starting at $7.85
Radish - Daikon Minowase (Organic) - Sprouting SeedsRadish - Daikon Minowase (Organic) - Sprouting Seeds
-0
Heirloom
Organic
Radish - Daikon Minowase (Organic) - Sprouting Seeds
Starting at $2.99
Radish Seeds - Daikon Minowase
-0
Heirloom
Radish Seeds - Daikon Minowase
Starting at $3.99
Lentil - Crunchy Lentil Fest Mix (Organic) - Sprouting SeedsLentil - Crunchy Lentil Fest Mix (Organic) - Sprouting Seeds
-0
Heirloom
Organic
Lentil - Crunchy Lentil Fest Mix (Organic) - Sprouting Seeds
Starting at $6.09
Radish Seeds - Microgreen - Sango PurpleRadish Seeds - Microgreen - Sango Purple
-0
Heirloom
Staff Favorite
Radish Seeds - Microgreen - Sango Purple
Starting at $3.99
Fenugreek - Organic - Sprouting SeedsFenugreek - Organic - Sprouting Seeds
-0%
Heirloom
Organic
Fenugreek - Organic - Sprouting Seeds
Starting at $7.47
Pak Choi - White Stem - Microgreens SeedsPak Choi - White Stem - Microgreens Seeds
-0
Heirloom
Pak Choi - White Stem - Microgreens Seeds
Starting at $5.78
Bean Seeds - Bush - BeSweet Edamame Soybeanmid size pouch type seed packaging for - Bean Bush BeSweet Edamame Soybean
-0
Heirloom
Bean Seeds - Bush - BeSweet Edamame Soybean
Starting at $3.59
Bean Seeds - Pole - Oriental Yard LongBean Seeds - Pole - Oriental Yard Long
-0
Heirloom
Bean Seeds - Pole - Oriental Yard Long
Starting at $3.99
Bean Seeds - Pole - Qing Bainmid size pouch type seed packaging for - Bean Pole Qing Bain
-0
Heirloom
Bean Seeds - Pole - Qing Bain
Starting at $3.99
Chinese Cabbage - Sprouting SeedsChinese Cabbage - Sprouting Seeds
-0
Heirloom
Chinese Cabbage - Sprouting Seeds
Starting at $5.11
Bean Seeds - Pole - Winged Beanmid size pouch type seed packaging for - Bean Pole Winged Bean
-0
Heirloom
Bean Seeds - Pole - Winged Bean
Starting at $3.99
Adzuki Bean - Organic - Sprouting SeedsAdzuki Bean - Organic - Sprouting Seeds
-0
Organic
Adzuki Bean - Organic - Sprouting Seeds
Starting at $3.49
Radish Seeds - WatermelonRadish Seeds - Watermelon
-0
Heirloom
Radish Seeds - Watermelon
Starting at $3.99
Lentil - Green (Organic) - Sprouting SeedsLentil - Green (Organic) - Sprouting Seeds
-0
Heirloom
Organic
Lentil - Green (Organic) - Sprouting Seeds
Starting at $6.64
Bean Seeds - Bush - Dark Red Kidney (Organic)mid size pouch type seed packaging for - Bean Bush Dark Red Kidney Organic
-0
Heirloom
Organic
Bean Seeds - Bush - Dark Red Kidney (Organic)
Starting at $3.59
Melon Seeds - Crenshaw - CrenshawMelon Seeds - Crenshaw - Crenshaw
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Heirloom
Melon Seeds - Crenshaw - Crenshaw
Starting at $2.99
Lentil - Red (Organic) - Sprouting SeedsLentil - Red (Organic) - Sprouting Seeds
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Heirloom
Organic
Lentil - Red (Organic) - Sprouting Seeds
Starting at $9.96
Bean Seeds - Pole - You Fong Wong Yard Longmid size pouch type seed packaging for - Bean Pole You Fong Wong Yard Long
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Heirloom
Bean Seeds - Pole - You Fong Wong Yard Long
Starting at $3.99
Lentil - French (Organic) - Sprouting SeedsLentil - French (Organic) - Sprouting Seeds
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Heirloom
Organic
Lentil - French (Organic) - Sprouting Seeds
Starting at $9.29
Squash Seeds - Winter - Japanese Red Kuri (Uchiki Kuri)Squash Seeds - Winter - Japanese Red Kuri (Uchiki Kuri)
-0
Heirloom
Squash Seeds - Winter - Japanese Red Kuri (Uchiki Kuri)
Starting at $3.99
Bean Seeds - Bush - Midori Giant Edamame Soybeanmid size pouch type seed packaging for - Bean Bush Midori Giant Edamame Soybean
-0
Heirloom
Bean Seeds - Bush - Midori Giant Edamame Soybean
Starting at $3.99
Radish Seeds - Korean - Cheong Du - Hybridmid size pouch type seed packaging for - Radish Korean Cheong Du Hybrid
-30%
Radish Seeds - Korean - Cheong Du - Hybrid
Starting at $2.79
Lentil - Black (Organic) - Sprouting SeedsLentil - Black (Organic) - Sprouting Seeds
-0
Heirloom
Organic
Lentil - Black (Organic) - Sprouting Seeds
Starting at $7.01
Garbanzo Bean - Organic - Sprouting Seeds
Starting at $6.12
Radish - China Rose (Organic) - Microgreens Seeds
Starting at $5.97
Radish - China Rose (Organic) - Sprouting Seeds
Starting at $5.97
Bean Seeds - Pole - Red Noodle Yard Long
Starting at $3.99
Bean Seeds - Pole - Akasanjaku Yard Long
Starting at $3.99
Bean Seeds - Bush - Garbanzo (Organic)
Starting at $5.17
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