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.
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![Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites]()
Squash Seeds - Winter - Blue Banana - Organic
Organic Blue Banana Winter Squash Seeds. 105 to 110 days to maturity. Cucurbita maxima. Heirloom, Non-GMO, Annual. Blue Banana Winter Squash are 20 inches long and weighs 5 lbs. or...
Squash Seeds - Winter - Goldetti F1
Goldetti F1 Hybrid Squash Seeds. Cucurbita Pepo. F1 Hybrid. Non-GMO. Annual. 100 days to maturity. Rounded cylindrical golden orange fruits ten to eleven inch long fruit. ~ 250 Seeds per...
Squash Seeds - Winter - Blue Magic Hybrid
100 days to maturity. Cucurbita maxima. Blue Magic Hybrid Winter Squash Seeds. Non-GMO, annual, hybrid. This is suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Mini...
Squash Seeds - Winter - Butter Belle Hybrid
Butter Belle Hybrid Squash Seeds. Cucurbita maxima. F1 Hybrid. Non-GMO. Annual. 90 days to maturity. Butter Belle F1 is a dark green buttercup type with orange flesh. About 250 seeds/oz....
Squash Seeds - Winter - Silver Bell
80-120 Days to maturity. Cucurbita maxima. Silver Bell Winter Squash Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Silver Bell Winter...
Squash Seeds - Winter - Orange Magic Hybrid
100 Days to maturity. Cucurbita maxima. Orange Magic Hybrid Squash Seeds. Non-GMO, annual, F1 hybrid. This delightful mini-Hubbard squash, weighing 2-3 pounds, is ideal for both cooking and ornamental use....
Squash Seeds - Winter - Jade Hybrid
85 days to maturity. Cucurbita maxima. Jade Hybrid Winter Squash Seeds. Non-GMO, annual, F1 hybrid. This is suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Compact...
Squash Seeds - Winter - Silver Edged
80-120 Days to maturity. Cucurbita maxima. Silver Edge Winter Squash Seeds. Non-GMO, open-pollinated, heirloom. Suitable for growing in fields and garden plots. Known for its large seeds with striking silver...
Squash Seeds - Winter - Pilgrim Hybrid (Organic)
80-90 Days to maturity. Cucurbita moschata . Organic Pilgrim Hybrid Squash Seeds. Non-GMO, annual, organic, F1 hybrid. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Pilgrim...
Squash Seeds - Winter - Festival F1
Festival F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 100 days to maturity. Festival is a decorative and delicious winter squash. Its skin is marbled and would look...
Squash Seeds - Winter - Mardi Gras F1 PMT
Mardi Gras F1 PMT Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 105 days to maturity. At long last we have created a bush version of our very popular...
Squash Seeds - Winter - Green Magic F1
Green Magic F1 Hybrid Squash Seeds. Cucurbita maxima. F1 Hybrid. Non-GMO. Annual. 100 days to maturity. Green Magic F1 are dark green, 5 to 7 lbs. fruits with excellent flash...
Squash Seeds - Winter - Goldetti Hybrid (Organic)
100 Days to maturity. Cucurbita pepo. Organic Goldetti Hybrid Winter Squash Vegetable Seeds. Non-GMO, annual, organic, high-yielding F1 hybrid winter squash. These rounded, cylindrical golden fruits are 10-11 inches long...
Squash Seeds - Winter - Hubbard Baby Green (Organic)
95 to 105 days to maturity. Cucurbita maxima. Organic Hubbard Baby Green Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated, organic. This is suitable for fields, garden plots, and raised beds....
Squash Seeds - Winter - White Ace F1
White Ace F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 70 days to maturity. A true white acorn variety. These 2 lbs. fruit are loved for their great...
Squash Seeds - Winter - Bakers Choice Marbled F1
Bakers Choice Marbled F1 Hybrid Squash Seeds. Cucurbita moschata. F1 Hybrid. Non-GMO. Annual. 90 to 100 days to maturity. Delicious and gorgeous, Winter Squash Baker‚s Choice Marbled F1 is also...
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