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]()
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...
Radish Seeds - Amethyst
Amethyst Radish Seeds. 30 - 39 days to maturity. Raphanus sativus. Heirloom, Annual. Amethyst is a bunching radish that produces small fruits with a stunning violet color. Approximately 6,800 seeds/ounce....
Bean Seeds - Pole - Shirohana Fujimame Hyacinth
90-100 Days to maturity. Lablab purpureus. Shirohana Fujimame Hyacinth Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, drought tolerant, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden...
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...
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 - 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...
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...
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...
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...
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....
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 - 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...
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...
Melon Seeds - Cantaloupe - Emerald Gem
70-90 Days to maturity. Cucumis melo var. cantalupensiso. Emerald Gem Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and...
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...
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...
Squash Seeds - Summer - Giallo de Italia Zucchini
Giallo de Italia Italian Summer Squash Seeds. 50 days to maturity. Cucurbita pepo. Heirloom, Annual. Bush plant habit long cylindrical zucchini are dark green with yellow stripes. Approximately 175 seeds/ounce....
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...
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 - 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...
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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