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]()
Pepper Seeds - Hot - Devils Yellow
90 Days to maturity. Capsicum chinense. Devils Yellow Hot Pepper Vegetable Seeds. Non-GMO, open-pollinated, hot peppers with extremely hot heat levels. 100,000-350,000 Scoville Heat Units. This habanero type pepper packs...
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...
Radish Seeds - Crunchy Royale - Hybrid
Crunchy Royale Radish Seeds. F1 Hybrid. Raphanus sativus. Non-GMO. Annual. 25 days to full maturity. Produces small, red round radishes. Crunchy Royale is a dark red, round radish with 4”...
Melon Seeds - Cantaloupe - Inspire Hybrid
100 Days to maturity. Cucumis melo var. cantalupensis. Inspire Hybrid Cantaloupe Melon Seeds. A non-GMO, annual, F1 hybrid, heat-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots, raised beds,...
Watermelon Seeds - Picnic - Imperial Hybrid
73 Days to maturity. Citrullus lanatus. Imperial F1 Hybrid Watermelon Seeds. Non-GMO, annual, hybrid, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. A hybrid diploid watermelon with...
Pepper Seeds - Hot - Cuban Chile
80-90 Days to maturity (from transplant). Capsicum annuum. Cuban Chile Hot Pepper Seeds. Non-GMO, annual, open-pollinated, hot, ornamental pepper with hot heat levels. 30,000-40,000 Scoville Heat Units. Suitable for growing...
Melon Seeds - Glamorous Hybrid (Organic)
90 Days to maturity. Cucumis melo. Organic Glamorous Hybrid Melon Seeds. A non-GMO, annual, organic, F1 hybrid, heat-tolerant Galia Melon. Suitable for growing in garden plots, raised beds, and greenhouses....
Leaf Radish Seeds - Saisai Purple - Hybrid
30 to 40 Days to maturity. Raphanus sativus. Saisai Purple Leaf Radish Seeds. Annual, Hybrid. This red-stemmed leaf radish will stand out in any dish you make with it! Saisai...
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...
Bean Seeds - Bush - Dark Red Kidney
90-100 Days to maturity. Phaseolus vulgaris. Dark Red Kidney Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, bush, shelling bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Pepper Seeds - Hot - Jamaican Red
90-100 Days to maturity. Capsicum chinense. Jamaican Red Hot Pepper Seeds. Non-GMO, open-pollinated, heirloom, hot pepper seeds with extra hot heat levels. 100,000 to 350,000 Scoville Heat Units. This spicy...
Tomato Seeds - Salad - Variegated
90 Days to maturity (from transplant). Solanum lycopersicum. Variegated Tomato Seeds. Non-GMO, open-pollinated, indeterminate, warm season, annual, salad tomato. Suitable for growing in garden plots, raised beds, greenhouses, and large...
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 - Summer - Sunbeam F1
Sunbeam F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 47 days to maturity. Sunbeam F1 produces golden yellow scallop fruits with a memorable flavor. Approximately 250 Seeds /...
Corn Seeds - Sweet - Nirvana F1 Hybrid
74 Days to maturity. Zea mays. Nirvana F1 Hybrid Sweet Corn Seeds. Non-GMO, annual, F1 Hybrid, augmented supersweet (sh2i), bicolor sweet corn. This crop is suitable for growing in fields,...
Radish Seeds - Red Rat's Tail
50 Days to maturity. Raphanus sativus. Red Rat’s Tail Radish Seeds. Non-GMO, annual, open-pollinated, heirloom radish. This Asian aerial radish is grown for its 3-6 inch long, red and green...
Corn Seeds - Ornamental - Wampum
Wampum Ornamental Corn Seeds. Zea mays. Heirloom, Annual. 90 days to maturity. Earlier version of a Carousel type ornamental with ears 4-5 in. long 1.25 in. diameter. Approximately 150 seeds/ounce....
Melon Seeds - Cantaloupe - Incredible Hybrid
100 Days to maturity. Cucumis melo. Incredible Hybrid Cantaloupe Melon Seeds. A non-GMO, annual, F1 hybrid, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. The...
Cucumber Seeds - Morden Early
45-55 Days to Maturity. Cucumis sativus. Morden Early Cucumber Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom pickling cucumber. An extra early cucumber well suited to short-season areas. Developed in Manitoba Canada....
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...
Tomato Seeds - Slicing - Boxcar Willie (Organic)
80 Days to maturity (from transplant). Solanum lycopersicum. Organic Boxcar Willie Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Federle
85 Days to maturity (from transplant). Solanum lycopersicum. Federle Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, paste tomato. Also known as Federle’s Italian Paste tomato. Plant produces 7-inch-long red paste...
Corn Seeds - Popcorn - Strawberry (Organic)
100 Days to maturity. Zea mays. Organic Popcorn - Strawberry Corn Seeds. Non-GMO, annual, Organic, open-pollinated, heirloom, Pop Corn. Suitable for growing in garden plots or raised beds. Corn tolerates...
Bean Seeds - Pole - Musica
60-65 Days to maturity. Phaseolus vulgaris. Musica Bean Vegetable Seeds. Also known as Spanish Musica Bean Seeds. Non-GMO, annual, open-pollinated, pole snap bean. This "romano" type has large, flattened bean...
Bean Seeds - Gold Marie (Organic)
75 Days to maturity. Phaseolus vulgaris. Gold Marie Organic Bean Seeds. Non-GMO, annual, organic, heirloom, open-pollinated, drought tolerant, pole, snap, romano bean. Suitable for growing in containers, garden plots, raised...
Bean Seeds - Pole - Akahana Mame
80-95 Days to maturity. Phaseolus coccineus. Akahana Mame Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, pole, shell, Asian bean. Suitable for growing in garden plots, raised beds, and greenhouses. This "flower...
Bean Seeds - Bush - Provider - Clearance Seeds
65% Germination - Non-refundable clearance seeds. 50-65 Days to maturity. Provider Bush Bean Seeds. Produces 5-8-inch, rounded pods with low fiber seeds in clusters, with a heavy yield. Pods are...
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