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 - Summer - Ronde de Nice
50-60 Days to maturity. Cucurbita pepo. Ronde De Nice Squash Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Has demonstrated some...
Squash Seeds - Winter - Table Princess F1 PMT
Table Princess F1 PMT Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 70 days to maturity. Table Princess F1 has a semi-bush habit, making it possible to plant in...
Squash Seeds - Winter - Triamble
105 days to maturity. Cucurbita maxima. Triamble Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated. Suitable for growing in fields, garden plots, and raised beds. An unusually beautiful Australian heirloom with...
Melon Seeds - Cantaloupe - Scrumptious Hybrid
100 Days to maturity. Cucumis melo var. cantalupensis. Scrumptious Hybrid Cantaloupe Melon Seeds. A non-GMO, annual, F1 hybrid, heat-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots, raised beds,...
Bean Seeds - Pole - Prizewinner Runner
75 Days to maturity. Phaseolus coccineus. Prizewinner Runner Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, drought tolerant, pole, snap bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Melon Seeds - Sakata's Sweet
85-90 Days to maturity. Cucumis melo. Sakata's Sweet Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Asian Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant to...
Squash Seeds - Summer - Summer Melody Blend
Summer Melody Blend Summer Squash Seeds. 45 days to maturity. Cucurbita pepo. Open Pollinated, Annual. This component blend of Golden Zucchini Black Beauty Grey Zucchini and White Bush Scallop is...
Radish Seeds - White Cannon - Hybrid
58 Days to maturity. Raphanus sativus. White Cannon Radish Hybrid Seeds. Cool/Warm Season Annual. While it may not seem as exciting as some other varieties, this hybrid daikon radish focuses...
Squash Seeds - Summer - Zucca de Lungo Verde
Italian Summer Squash, Zucca de Lungo Verde. 50-60 days. Cucurbita pepo. Produces dark green squash about 8". It has a very rich flavor and color. Non-GMO, heirloom, premium open pollinated...
Melon Seeds - Crenshaw - Crenshaw (Organic)
110 Days to maturity. Cucumis melo. Organic Crenshaw Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant Crenshaw Melon. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Pepper Seeds - Hot - Habanero Blend
80-90 Days to maturity (from transplant). Capsicum chinense. Habanero Blend Hot Pepper Seeds. This blend of habanero pepper seeds includes 6 colors for an attractive harvest. Colors include red, orange,...
Squash Seeds - Winter - Gold Nugget - Organic
Organic Gold Nugget Winter Squash Seeds. 75 - 95 days to maturity. Can be grown in containers. Cucurbita maxima. Heirloom, Non-GMO, Annual. Early compact runnerless plant with a Buttercup shape....
Melon Seeds - Cantaloupe - Haogen (Organic)
80-85 Days to maturity. Cucumis melo. Organic Haogen Cantaloupe Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses....
Bean Seeds - Bush - Kouri Edamame Soybean
90 Days to maturity. Glycine max. Kouri Soybean Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, bush, shell, soybean, Asian bean. Suitable for growing in containers, garden plots, raised beds, and...
Corn Seeds - Sweet - Inspiration Hybrid
70-80 Days to maturity. Zea mays. Inspiration Hybrid Corn Seeds. Non-GMO, annual, F1 hybrid, (sh2) sweet corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Corn Seeds - Dent - Hickory King Yellow
115 Days to maturity. Zea mays. Hickory King Yellow Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Dent Corn. Hickory King Yellow Corn Seeds, originating in Appalachia around the late 1800s. Huge...
Watermelon Seeds - Picnic - Greybelle
80-90 Days to maturity. Citrullus lanatus. Greybelle Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. 15-20 pound round fruits. Greybelle watermelon...
Squash Seeds - Summer - Golden Zebra F1
Golden Zebra F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 50 days to maturity. Golden Zebra F1 is long and slender, with excellent flavor. The fruits are golden...
Tomato Seeds - Slicing - Tasmanian Chocolate
70-80 Days to maturity (from transplant). Solanum lycopersicum. Tasmanian Chocolate Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heat tolerant, indeterminate, slicing dwarf tomato. Suitable for growing in garden plots, raised...
Squash Seeds - Winter - Pinata F1 PMT
Pinata F1 PMT Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 85 days to maturity. This winter squash will truly become a fast favorite in your house. Pinata F1...
Squash Seeds - Summer - Partial Eclipse F1
Partial Eclipse F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 51 days to maturity. Delicious and beautiful, Summer Squash Partial Eclipse F1 is a lovely white scalloped squash...
Melon Seeds - Cantaloupe - Iroquois (Organic)
75-90 Days to maturity. Cucumis melo. Iroquois Organic Cantaloupe Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses....
Melon Seeds - Late Valencia
100 days. Cucumis melo var. inodorus. Valencia Late Melon Seeds. Non-GMO, annual, heirloom, open-pollinated. This crop is suitable for garden plots, raised beds, and greenhouses. Late Valencia is a winter...
Radish Seeds - Everest - Hybrid
Radish Seeds - Everest - Hybrid. Non-GMO. Raphanus sativus. 55 days. Cool season annual. This Chinese daikon radish is very popular in Taiwan and Japan. Its snow white roots are...
Gourd Seeds - Small Warted Mix
60 or more Days to maturity. Cucurbita spp.. Small Warted Mixed Gourd Vegetable Seeds. Non-GMO, annual, open-pollinated ornamental gourds. This is a curated collection of ornamental gourds in different shapes...
Watermelon Seeds - Picnic - Triple Sweet Hybrid
65 days to maturity. Citrullus lanatus. Triple Sweet F1 Hybrid Watermelon Seeds. Non-GMO, annual, F1 Hybrid, heat tolerant, seedless, picnic watermelon. Triple Sweet F1 is a sweet Crimson Sweet triploid...
Watermelon Seeds - Mini - Treasure Chest Hybrid
Treasure Chest F1 Hybrid Watermelon Seeds. Citrullus lanatus. F1 Hybrid. Non-GMO. Annual. 80 days to maturity. Seedless. Treasure Chest F1 is a yellow triploid watermelon with sweet, bright yellow flesh....
Melon Seeds - Casaba - Sungold
85-110 Days to maturity. Cucumis melo. Sungold Casaba Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant, drought-tolerant, Casaba Melon. Suitable for growing in garden plots, raised beds, and greenhouses. This...
Sunflower Seeds - Goldie
75 Days to maturity. Helianthus annuus. Goldie F1 Hybrid Sunflower Seeds: Non-GMO. Ornamental. Annual. Goldie is a feathery and unique hybrid sunflower that looks like pompons of sunlight! If you...
Sunflower Seeds - Early Black Heart
55 Days to maturity. Helianthus annuus. Early Black Heart F1 Hybrid Sunflower Seeds: Non-GMO. Ornamental. Annual. Early Black Heart 100% pollen-less single-headed hybrid sunflower. Think of this variety as Zohar’s...
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