Warm Winter / Frost-Free Areas
Zones: 9b–12
March can be peak garden season in these warm-winter zones. It is also a "pivot" month for gardening in much of the warmer parts of these zones. The risk of frost is over. Cool-season crops are in and doing well. March & April are the times to start transitioning from cool-season greens to heat-loving summer crops.
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 March: cucumber, squash, beans, corn, melons, okra, plus replanting for many greens and root crops
Cover crops: buckwheat, cow peas, sorghum
Tip: A SoCal 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 - Hubbard Baby Blue
Hubbard Baby Blue Winter Squash Seeds. 90 to 100 Days. Non-GMO, Open Pollinated, Heirloom. Winter Squash. Cucurbita maxima. Dating back to the 1950s, the Hubbard Baby Blue was developed by...
Eggplant Seeds - Round Mauve
Round Mauve eggplant are 3 inch in diameter. Fruits are mauve and round with white flesh. Plants grow 24-36 inches tall. Sow seeds indoors and transplant outdoors in full sun...
Corn Seeds - Popcorn - Strawberry
100 Days to maturity. Zea mays. Popcorn - Strawberry Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Pop Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Tomato Seeds - Slicing - Purple Calabash
80-90 Days to maturity (from transplant). Solanum lycopersicum. Purple Calabash Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, drought tolerant, indeterminate, slicing tomato. Suitable for growing in garden plots, raised...
Squash - Winter - Hubbard Baby Green
Hubbard Baby Green Winter Squash Seeds. 90 to 100 Days. Heirloom, Open Pollinated. Non-GMO. Winter Squash type. Cucurbita maxima. The Baby Green Hubbard is a scaled down version of the...
Melon Seeds - Ananas
90-110 Days to maturity. Cucumis melo. Ananas Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Originating from France, these...
Tomato Seeds - Slicing - Brandymaster Red Hybrid
80 Days to maturity (from transplant). Solanum lycopersicum. Brandymaster Red Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, potato leaf, slicing tomato. Suitable for growing in garden plots, raised beds,...
Tomato Seeds - Slicing - Long Keeper
78 Days to maturity (from transplant). Solanum lycoperscium. Long Keeper Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant...
Squash Seeds - Winter - Hubbard Chicago Warted
Hubbard Chicago Warted Winter Squash Seeds. 110 Days to Harvest. Non-GMO Heirloom, Open Pollinated, Annual Seeds. Cucurbita maxima. AKA Green Warted Hubbard Squash. Hubbard Chicago Winter Squash is a very...
Watermelon Seeds - Icebox - Bush Sugar Baby (Organic)
75 Days to maturity. Citrullus lanatus. Bush Sugar Baby Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, Icebox watermelon. Suitable for growing in garden plots and large containers...
Cucumber Seeds - Green Dragon Burpless F1
70 Days to maturity. Cucumis sativus. Green Dragon Burpless Hybrid Cucumber Seeds. Non-GMO, annual, F1 hybrid, monoecious, burpless, slicing cucumber. Suitable for growing in fields, containers (with support), garden plots,...
Tomato Seeds - Slicing - Katana Hybrid
60 Days to maturity (from transplant). Solanum lycopersicum. Katana Hybrid Japanese Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, semi-determinate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Pepper Seeds - Sweet - Chocolate Beauty
67-70 Days to maturity (from transplant). Capsicum annuum. Chocolate Beauty Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, drought tolerant, sweet pepper with no heat. 0 Scoville Heat Units. Resistant to...
Squash Seeds - Winter - Kurinishiki - Hybrid
Squash Seeds - Winter - Kurinishiki - Hybrid. Non-GMO. Cucurbita maxima. 95-105 days (45-50 days after flowering). Warm season annual. This winter squash hybrid produces uniform dark green fruit with...
Watermelon Seeds - Picnic - All Sweet (Organic)
90-105 Days to maturity. Citrullus lanatus. Organic All Sweet Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. Resistant to Anthracnose...
Squash Seeds - Summer - Emperor's Jade Hybrid
50-60 Days to maturity. Cucurbita pepo. Emperor's Jade Hybrid Squash Seeds. Non-GMO, annual, F1 Hybrid. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. This vigorous hybrid...
Pepper Seeds - Hot - Bulgarian Carrot
65-70 days. Bulgarian Carrot Hot Pepper Seeds Capsicum annuum. Non-GMO. Heirloom. Native to Bulgaria before bring brought to America in the 1970s and 1980s, Bulgarian Carrot peppers seeds (sometimes also...
Eggplant Seeds - Bride F1
Bride F1 Hybrid Eggplant Seeds. Solanum melongena. F1 Hybrid. Non-GMO. Annual. 70 days to maturity. Eggplant Bride F1 is a beautiful hybrid Asian eggplant known for its mild flavor and...
Corn Seeds - Ornamental - Earth Tones Dent
100 Days to maturity. Zea mays. Ornamental - Earth Tone Dent Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Dent Corn. Suitable for growing in garden plots or raised beds. Corn tolerates...
Melon Seeds - Galia - Gallo Hybrid
70 Days to maturity. Cucumis melo. Gallo Galia Melon Seeds. A non-GMO, annual, F1 hybrid, heat-tolerant Mini Galia Melon. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Pepper Seeds - Hot - Korean - Gochu Vita Green...
100-125 Days to maturity (from transplant). Capsicum annuum. Gochu Vita Green Pepper Seeds. Non-GMO, annual, hybrid, hot-type pepper with mild heat levels. 500 to 1,500 Scoville Heat Units. Suitable for...
Amaranthus Seeds - Early Splendor
70-77 Days to maturity. Amaranthus tricolor. Early Splendor Amaranthus Seeds. Non-GMO, heirloom, annual. Ornamental Plant. Edible. Early Splendor Amaranthus seeds are a stunning, simple, and exotic tropical plant ideal for...
Pepper Seeds - Hot - Thai - Garden Bird
Pepper Seeds - Hot - Thai - Garden Bird. Heirloom, Non-GMO. Capsicum annuum. 70-80 days. Warm season annual. The small 1" long, pungent fruit of this hot Thai pepper can...
Squash Seeds - Summer - Diamant F1 Zucchini
Diamant F1 Hybrid Zucchini Squash Seeds. 50 Days. Non-GMO, F1 Hybrid, Summer Squash. Dark Green Zucchinis with slight ribbing, about 8 inches in length. Great yields make this an excellent...
Tomato Seeds - Slicing - Red Siberian
60-70 Days to maturity (from transplant). Solanum lycoperscium. Red Siberian Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, slicing tomato. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Tomato Seeds - Slicing - Brandymaster Yellow Hybrid
70 Days to maturity (from transplant). Solanum lycopersicum. Brandymaster Yellow Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, potato leaf, slicing tomato. Suitable for growing in garden plots, raised beds,...
Tomato Seeds - Cherry - Gardener's Delight (Organic)
50-80 Days to maturity (from transplant). Solanum lycoperscium. Organic Gardeners Delight Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and...
Watermelon Seeds - Picnic - Dixie Queen (Organic)
80 Days to maturity. Citrullus lanatus. Dixie Queen Organic Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. The Organic Dixie Queen watermelon is popular in the...
Cucumber Seeds - Pickling - Calypso Hybrid (Organic)
50 Days to maturity. Cucumis sativus. Organic Calypso Hybrid Cucumber Seeds. Non-GMO, annual, organic, F1 hybrid, gynoecious, pickling cucumber. Suitable for growing in fields, containers (with support), garden plots, raised...
Eggplant Seeds - Galaxy of Stars
Galaxy of Stars Eggplant Seeds. 57 days to maturity. Solanum melongena. Open Pollinated, Annual. Galaxy of stars is a beauty at 3 to 4 inches long. These plump fruits are...
Pepper Seeds - Ornamental - Autumn Time
Autumn Time Ornamental Pepper Seeds. 60 - 85 days to maturity. Capsicum annuum. Open Pollinated. Annual. Can be grown in containers. Pepper Autumn Time's distinctive dark purple foliage categorizes this...
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