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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
80 Items
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Okra Seeds - Silver Queensmall size packet type seed packaging for - Okra Silver Queen
-0
Heirloom
Okra Seeds - Silver Queen
Starting at $2.99
Corn Seeds - Sweet - Abundance Hybrid
-0
Corn Seeds - Sweet - Abundance Hybrid
Starting at $5.17
Radish Seeds - Korean - Fall Storage - Hybridmid size pouch type seed packaging for - Radish Korean Fall Storage Hybrid
-0
Radish Seeds - Korean - Fall Storage - Hybrid
Starting at $3.99
Radish Seeds - Korean - Shin Dong Ha - Hybridmid size pouch type seed packaging for - Radish Korean Shin Dong Ha Hybrid
-0
Radish Seeds - Korean - Shin Dong Ha - Hybrid
Starting at $3.99
Tokinashi All Season Radishmid size pouch type seed packaging for - Radish Tokinashi All Season
-0
Heirloom
Radish Seeds - Tokinashi All Season
Starting at $3.99
Radish Seeds - Chinese - Red Meatmid size pouch type seed packaging for - Radish Chinese Red Meat
-0
Heirloom
Radish Seeds - Chinese - Red Meat
Starting at $3.99
Brassica Classic Trio Cover Crop Seed MixBrassica Classic Trio Cover Crop Seed Mix
-0
Brassica Classic Trio Cover Crop Seed Mix
Starting at $6.36
Bean Seeds - Pole - Purple French Filetmid size pouch type seed packaging for - Zinnia Magellan Series Orange
-0
Heirloom
Bean Seeds - Pole - Purple French Filet
Starting at $4.92
Bean Seeds - Bush - Landreth Stringlessmid size pouch type seed packaging for - Zinnia Magellan Series Orange
-0
Heirloom
Bean Seeds - Bush - Landreth Stringless
Starting at $2.99
Radish Seeds - China White Winter
-0
Heirloom
Radish Seeds - China White Winter
Starting at $2.79
Eggplant Seeds - Morden Midget (organic)
-0
Heirloom
Organic
Eggplant Seeds - Morden Midget (organic)
Starting at $4.89
Bean Seeds - Bush - Jackson Wonder Limamid size pouch type seed packaging for - Zinnia Magellan Series Orange
-0
Heirloom
Bean Seeds - Bush - Jackson Wonder Lima
Starting at $4.33
Radish Seeds - Minowase Summer Cross #3 - Hybridmid size pouch type seed packaging for - Radish Minowase Summer Cross #3 Hybrid
-0
Radish Seeds - Minowase Summer Cross #3 - Hybrid
Starting at $3.99
Bean Seeds - Bush - Sunraymid size pouch type seed packaging for - Zinnia Magellan Series Orange
-0
Heirloom
Bean Seeds - Bush - Sunray
Starting at $2.99
Radish Seeds - Korean - Big Time Hybrid (Treated)mid size pouch type seed packaging for - Radish Korean Big Time Hybrid Treated
-0
Radish Seeds - Korean - Big Time Hybrid (Treated)
Starting at $3.99
Radish Seeds - Chinese - Mantanghong Improved - Hybridmid size pouch type seed packaging for - Radish Chinese Mantanghong Improved Hybrid
-0
Radish Seeds - Chinese - Mantanghong Improved - Hybrid
Starting at $3.99
Hot Radish Seeds - Aka (Red) Karaine - Hybridmid size pouch type seed packaging for - Hot Radish Aka Red Karaine Hybrid
-0
Hot Radish Seeds - Aka (Red) Karaine - Hybrid
Starting at $3.99
Sunflower Seeds - Classic Gold (Organic)mid size pouch type seed packaging for - Sunflower Classic Gold Organic
-0
Organic
Sunflower Seeds - Classic Gold (Organic)
Starting at $5.79
Radish Seeds - Fujikaze - Hybridmid size pouch type seed packaging for - Radish Fujikaze Hybrid
-50%
Radish Seeds - Fujikaze - Hybrid
Starting at $1.99
Radish Seeds - April Cross - Hybridmid size pouch type seed packaging for - Radish April Cross Hybrid
-0
Radish Seeds - April Cross - Hybrid
Starting at $3.99
Radish Seeds - Miyashige Green Neckmid size pouch type seed packaging for - Radish Miyashige Green Neck
-0
Heirloom
Radish Seeds - Miyashige Green Neck
Starting at $3.99
Radish Seeds - Wakayama Whitemid size pouch type seed packaging for - Radish Wakayama White
-50%
Heirloom
Radish Seeds - Wakayama White
Starting at $1.99
Radish Seeds - Korean - Altari Dochon 89 - Hybridmid size pouch type seed packaging for - Radish Korean Altari Dochon 89 Hybrid
-0
Radish Seeds - Korean - Altari Dochon 89 - Hybrid
Starting at $3.99
Radish Korean Sushiromid size pouch type seed packaging for - Radish Korean Sushiro Hybrid
-0
Radish Seeds - Korean - Sushiro - Hybrid
Starting at $3.99
Gourd Seeds - Small Warted Mix
-0
Gourd Seeds - Small Warted Mix
Starting at $2.99
Melon Seeds - Vine Peachsmall size packet type seed packaging for - Melon Vine Peach
-0
Heirloom
Melon Seeds - Vine Peach
Starting at $3.29
Radish Seeds - Relish Cross - Hybridmid size pouch type seed packaging for - Radish Relish Cross Hybrid
-0
Radish Seeds - Relish Cross - Hybrid
Starting at $3.99
Sunflower Seeds - Giant Teddy Bear
Starting at $2.99
Squash Seeds - Summer - Black Zucchini (Organic)
Starting at $3.89
Sunflower Seeds - Zohar (Organic)
Starting at $5.79
Radish Seeds - Korean - Passion Altari Hybrid (Treated)
Starting at $3.99
Watermelon Seeds - Mini - Golden Midget (Organic)
Starting at $4.19
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