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]()
Broccoli Raab - Early Fall Rapini
Early Fall Rapini thrives when planted in the early fall, but can be grown in the spring and summer as well. It does best in 60-65 degree weather. Seeds can...
Onion Seeds - Short - Eclipse L303
100-160 Days to maturity. Allium cepa. Eclipse L303 Onion Seeds. Non-GMO, annual, open-pollinated, heirloom, bulbing, short-day onion. Suitable for growing in greenhouses, garden plots, and raised beds. Produce crisp, medium-size...
Tomato Seeds - Cherry - Chelsea OP
65 Days to maturity (from transplant). Solanum lycopersicum. OP Chelsea Tomato Seeds. Non-GMO, warm season annual, open-pollinated, indeterminate cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Radish Seeds - Pink Beauty - Organic
Pink Beauty Radish is wonderfully uniform with bright pink, perfectly round radishes. Radish Seeds - Pink Beauty - Organic Raphanus Sativus 1-1.5" in size. A high quality radish that is...
Corn Seeds - Ornamental - Carousel
100-110 Days to maturity. Zea mays. Ornamental-carousel Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Pop Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone regions....
Mustard Seeds - Da Ping Pu
65 to 75 Days to maturity. Brassica juncea. Da Ping Pu Mustard Seed. Non-GMO, open-pollinated heirloom. This is a delicious wide-leafed bunching mustard. It's grown extensively in Asia and has...
Lettuce Seeds - Leaf - Bronze Guard
70 days. This striking bronze/green colored oakleaf type lettuce has great flavor, even when other lettuces are getting bitter. Beautiful in the garden, in a salad, or as a garnish....
Tomato Seeds - Slicing - Celebration Hybrid
72 Days to maturity (from transplant). Solanum lycoperscium. Celebration Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, determinate, drought tolerant, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Cucumber Seeds - County Fair Improved Hybrid
50 Days to maturity. Cucumis sativus. County Fair Improved Hybrid Cucumber Seeds. Non-GMO, annual, F1 hybrid, parthenocarpic, pickling cucumber. Suitable for growing in fields, containers (with support), garden plots, raised...
Lettuce Seeds - Butterhead - Speckles
Speckles Butterhead Lettuce Seeds. 55 days to full maturity. 30 days to maturity for baby leaves. Lactuca sativa. Heirloom. Annual. Speckles is an Amish Heirloom Bibb variety with apple green...
Corn Seeds - Dent - Silvermine
112 Days to maturity. Zea mays. Silvermine Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Dent Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone regions....
Gaillardia Seeds - Arizona Series
84-91 Days to maturity. Gaillardia aristata. Gaillardia Arizona Series Seeds. Non-GMO, Perennial. Arizona Series seeds promise exciting AAS award-winning sunburst gaillardias that are sure to invigorate any tired garden. Gaillardia...
Cucumber Seeds - Eversweet Hybrid
55 Days to maturity. Cucumis sativus. Eversweet Hybrid Cucumber Seeds. Non-GMO, annual, F1 hybrid, monoecious, slicing cucumber. Suitable for growing in fields, containers (with support), garden plots, raised beds, and...
Corn Seeds - Sweet - Abundance Hybrid
70-100 Days to maturity. Zea mays. Abundance Corn Seeds. Non-GMO, annual, F1 hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone regions....
Pumpkin Seeds - Mini Harvest F1 Mix
Mini Harvest F1 Mix Hybrid Pumpkin Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 65 days to maturity. These cutesy hybrids were created for the ornamental mini pumpkin market but also...
Tomato Seeds - Salad - Yellow Plum
70 Days to maturity (from transplant). Solanum lycopersicum. Yellow Plum Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds, and...
Beans - Red Small (Organic) - Sprouting Seeds
2-3 Days to Harvest. Phaseolus vulgaris. Organic Small Red Bean Sprouting Seeds. These small red beans produce sprouts that are packed with protein and are low in carbs and calories....
Mustard Seeds - Misome Choho Hybrid
25-30 days to maturity. Brassica campestris Narinosa group. Misome Choho Mustard Seeds. Non-GMO, warm or cool-season, annual, hybrid. One of several hybrids of Komatsuna and Tatsoi, this uniform, easy to...
Cucumber Seeds - Salad Bush Hybrid
57 days. Salad Bush Hybrid cucumber seeds is a large variety of cucumber that is sweet and tender. The Salad Bush Hybrid is green and smooth, and grows to be...
Lettuce Seeds - Romaine - Vivian
Vivian Romaine Lettuce Seeds. 50 days to full maturity. 28 days to maturity for baby leaves. Lactuca sativa. Heirloom, Annual. Vivian is a tightly bunched romaine. Approximately 25,000 seeds/ounce. Lettuce...
Radish Seeds - Korean - Fall Storage - Hybrid
60 to 65 days to maturity. Raphanus sativus. Fall Storage Korean Radish Seeds. Cool season hybrid annual. This Korean radish variety is known for its longevity; it can be stored...
Tomato Seeds - Slicing - Prudens Purple
65-85 Days to maturity (from transplant). Solanum lycopersicum. Prudens Purple Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, Potato Leaf, heat tolerant, indeterminate, slicing tomato. Suitable for growing in garden...
Eggplant Seeds - Louisiana Long Green
Solanum melongena (75 days) Tender, meaty and full of flavor describes this wonderful green eggplant from the South. Perfect for braising or ratatouille. Eggplant Seeds - Louisiana Long Green 8-9...
Tomato Seeds - Slicing - Early Boy Bush Hybrid
55-60 Days to maturity (from transplant). Solanum lycoperscium. Early Boy Bush Hybrid Tomato Seeds. Non-GMO, annual, hybrid, determinate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Pea Seeds - Snap - Sugar Lace II (treated)
68 days from direct sowing. Pisum sativum. Treated Sugar Lace II Snap Pea Seeds. Non-GMO, annual, open-pollinated. This crop is suitable for garden plots, raised beds, and containers. Stringless, dark-green...
Melon Seeds - Early Silver Line
76 Days to maturity. Cucumis melo. Early Silver Line Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Asian Melon. Suitable for growing in garden plots, raised beds, and greenhouses. The...
Zinnia Seeds - Pop Art Golden & Red (Coated)
54-63 Days to maturity. Zinnia hybrida. Pop Art Golden & Red Zinnia Seeds. Non-GMO, annual. Pop Art Golden & Red Zinnia flower seeds are a sophisticated and award-winning plant in...
Onion Seeds - Bunching - Crimson Forest
60-69 Days to maturity. Allium fistulosum. Crimson Forest Bunching Onion Seeds. Non-GMO, perennial, open-pollinated, heirloom, bunching onion. Suitable for growing in greenhouses, garden plots, raised beds, and containers. Crimson Forest...
Rudbeckia Seeds - Goldilocks
91-105 days maturity. Rudbeckia hirta. Rudbeckia Goldilocks Seeds. Non-GMO, Perennial. Ornamental. Goldilocks seeds grow a tidy yet spectacular twist to the traditional daisy-like rudbeckia. Goldilocks seeds mature as neat 15-inch...
Onion Seeds - Short - Borettana Yellow Cipollini
90-120 Days to maturity. Allium cepa. Borettana Yellow Cipollini Onion Seeds. Non-GMO, annual, perennial, open-pollinated, heirloom, cold tolerant, bulbing, short-day onion. Suitable for growing in greenhouses, garden plots, raised beds,...
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