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 - Sweet - Quadrata D'Asti Rosso
80-85 Days to Maturity. Capsicum annuum. Quadrato D'Asti Rosso Pepper Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom, sweet pepper. A large, green to red, sweet, blocky bell pepper. It produces thick-walled,...
Bean - Pole - Seychelles
55-65 Days to maturity. Phaseolus vulgaris. Seychelles Bean Seeds. Non-GMO, annual, open-pollinated, high-yielding, heat-tolerant, 2017 AAS-winner, stringless, pole, snap bean. Suitable for growing in containers, garden plots, raised beds, and...
Watermelon Seeds - Striped Peacock WR-60
Striped Peacock WR60 Watermelon Seeds. 85 Days. Annual. Heirloom, non-GMO, open pollinated seeds. Citrullus lanatus. AKA: Peacock. This heirloom watermelon prefers sandy soils and like all watermelons likes full sun...
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...
Sunflower Seeds - Lemon Queen (Organic)
80-100 Days to maturity. Helianthus annus. Organic Lemon Queen Sunflower Seeds. Non-GMO, organic, open-pollinated, heirloom, annual, multi-branching sunflower. This bright sunflower features light, lemony petals and a light brown center...
Sunflower Seeds - Autumn Beauty (Organic)
90-100 Days to maturity. Helianthus annuus. Organic Autumn Beauty Mix Sunflower Seeds. Non-GMO, open-pollinated, organic, ornamental, annual sunflower seeds. Organic Autumn Beauty Mix seeds grow one of the summer's most...
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...
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...
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....
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...
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...
Melon Seeds - Giallo Canary Rugoso
90-110 Days to maturity. Cucumis melo. Giallo Canary Rugoso Melon Seeds. A non-GMO, annual, open-pollinated, heat-tolerant melon. Suitable for growing in garden plots, raised beds, and greenhouses. This unique canary...
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....
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....
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...
Sunflower Seeds - Velvet Queen (Organic)
90-110 Days to maturity. Helianthus annuus. Organic Velvet Queen Sunflower Seeds: Non-GMO. Open Pollinated. Organic. Ornamental. Annual. Heirloom. Velvet Queen seeds grow one of the summer's most exclusive and rare...
Pepper Seeds - Sweet - Gold Horn Hybrid
70 Days to maturity (from transplant). Capsicum annuum. Gold Horn Hybrid Pepper Seeds. Non-GMO, annual, F1 hybrid, high-yielding, sweet pepper with no heat levels. 0 Scoville Heat Units. Suitable for...
Tomato Seeds - Green Cherry
75-85 Days to Maturity. Solanum lycopersicum. Green Cherry Tomato Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate cherry tomato. Small firm fruit borne in clusters, measure about 0.75 to 1 inch...
Corn Seeds - Sweet - Eden RMN F1 Hybrid
74 days to maturity. Zea mays. Eden RMN Hybrid Corn Seeds. Non-GMO, annual, F1 Hybrid, augmented supersweet (sh2i) corn. This crop is suitable for growing in fields, garden plots, and...
Tomato Seeds - Cherry - Cherry Roma
75-80 Days to maturity from transplant. Solanum lycopersicum. Cherry Roma Tomato Seeds. Non-GMO, open-pollinated. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Also marketed as Baby...
Radish Seeds - Pink Summercicle (Organic)
32-40 days to maturity. Raphanus sativus. Organic Pink Summercicle Radish Seeds. Non-GMO, organic, annual, open-pollinated, heirloom radish seed. Suitable for growing in garden plots, raised beds, containers, and fields. Organic...
Sunflower Seeds - Incredible Dwarf
70 Days to maturity. Helianthus annuus. Incredible Dwarf Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. Incredible Dwarf blooms are cheerful, bright yellow 9-inch wide blooms that are a beacon to...
Bean Seeds - Bush - French Garden Yellow Fillet
45-55 Days to maturity. Phaseolus vulgaris. French Garden Yellow Fillet Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, bush, snap, wax bean. Suitable for growing in containers, garden plots, raised beds, and...
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...
Sunflower Seeds - Black Russian
65-70 Days to maturity. Helianthus annuus. Organic Black Russian Sunflower Seeds. Non-GMO. Open Pollinated. Ornamental. Annual. Heirloom. The Black Russian sunflower is striking and grows up to 12 feet tall...
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...
Tomato Seeds - Slicing - Oxheart Orange
80 Days to maturity (from transplant). Solanum lycopersicum. Oxheart Orange Tomato Seeds. Non-GMO, warm-season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
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