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]()
Tomato Seeds - Slicing - Floradel
85 Days to maturity (from transplant). Solanum lycopersicum. Floradel Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, humidity tolerant, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Tomato Seeds - Slicing - Containers Choice Red Hybrid
70 Days to maturity (from transplant). Solanum lycoperscium. Containers Choice Red Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, determinate, slicing tomato. Suitable for growing in garden plots, raised beds, greenhouses,...
Squash Seeds - Winter - Delicata - Organic
(100 days) Introduced in 1890s. Delicious, creamy sweet potato like taste. Delicata has a fine grained, light orange flesh steamed or baked. Organic Delicata Squash Seeds Delicata has a very...
Tomato Seeds - Cherry - Honeybee Hybrid
60 Days to maturity (from transplant). Solanum lycoperscium. Honeybee Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, semi-determinate cherry tomato. Suitable for growing in garden plots, raised beds, containers, and greenhouses....
Tomato Seeds - Cherry - Gum Drop Yellow Hybrid
75 Days to maturity (from transplant). Solanum lycoperscium. Gum Drop Yellow Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Campanula Seeds - Cup & Saucer Mixture
2nd Year Maturity. Cup and Saucer Mix seeds grow one of the most unique and internationally classic blooms available to the home gardener. Boasting famous "cup-shaped" blooms, campanula is a...
Squash Seeds, Winter - Calabaza de Castilla
100 to 110 Days to full maturity. Cucurbita moschata Calabaza de Castilla Winter Squash Seeds. Annual, Non-GMO, Heirloom. This winter squash pumpkin variety has a rustic light brown color, with...
Radish Seeds - Fire Candle
Fire Candle Radish Seeds. 30-40 Days to maturity. Annual, open-pollinated, and non-GMO seeds. Raphanus sativus. Looking more similar to a red carrot than spring radish, the Fire Radish candle is...
Lettuce Seeds, Leaf - Green Salad Bowl - Organic
Organic Green Salad Bowl Leaf Lettuce Seeds. 50 days to maturity. Baby leaf maturity at 28 days. Lactuca sativa. Heirloom, Non-GMO, Annual. Approx. 25,000 Seeds per ounce. Download Free Vegetable...
Radish Seeds - Hailstone
In 25 days, growers should see 2-inch radishes develop a pure- white skin with firm flesh. Non-GMO and heirloom Hailstone Radish are reliable and quick-growing vegetables for new gardeners. Vegetable...
Squash Seeds - Winter - Hubbard Golden Delicious
Hubbard Golden Winter Squash Seeds. Annual. 100-120 Days to Harvest. Heirloom, Non-GMO, Open Pollinated. Cucurbita maxima. Other names: Red Hubbard, Golden Warted Hubbard. Developed by M. D. Ferry in 1898,...
Mustard Seeds - Chinese
60-65 days to maturity.Brassica juncea. Chinese Mustard Seeds. Non-GMO, cool-season, year-round annual, heirloom. This special selected Chinese mustard has a compact head with thick petioles and large wrapping leaves. Chinese...
Echinacea Seeds - Purpurea (Organic)
455 Days to maturity (2nd year). Echinacea purpurea. Purple Coneflower Flower Seeds. Non-GMO, heirloom, open-pollinated, organic, perennial flower in zones 3, 4, 5, 6, 7, 8, and 9. Deer resistant...
Lettuce Seeds, Leaf - Prizehead - Organic
Organic Prizehead Leaf Lettuce Seeds. 45 - 55 days to maturity. Lactuca sativa. Heirloom, Non-GMO, Annual. Approx. 25,000 Seeds per ounce. Download Free Vegetable Growing Guide PDF Lettuce Seeds, Leaf...
Mustard Seeds - Red Komatsuna Hybrid
20-25 days for baby leaf, 40-50 days to maturity. Brassica rapa var. japonica. Red Mizuna Mustard Seeds. Non-GMO, cool-season, annual, hybrid. This small broad leaf mustard has a mild pungency...
Pea Seeds - Snap - Sugar Sprint (Treated)
55-65 Days to maturity. Pisum sativum. Sugar Sprint Snap Pea Seeds (Treated). Non-GMO, annual, open-pollinated, heirloom, heat-tolerant snap pea. Suitable for growing in fields, containers, garden plots, raised beds, and...
Tomato Seeds - Cherry - Sugar Plum Hybrid
105 Days to maturity (from transplant). Solanum lycopersicum. Sugar Plum Hybrid Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds,...
Cucumber Seeds - Early Spring Burpless F1
58 Days to maturity. Cucumis sativus. Early Spring 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 - Cherry - Cherry White
80 Days to maturity (from transplant). Solanum lycoperscium. Cherry White Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Solanum...
Cucumber Seeds - Eversweet F1 (Organic)
55 Days to maturity. Cucumis sativus. Organic Eversweet Hybrid Cucumber Seeds. Non-GMO, annual, organic, F1 hybrid, monoecious, slicing cucumber. Suitable for growing in fields, containers (with support), garden plots, raised...
Eggplant Seeds - Morden Midget (organic)
65 Days to maturity. Solanum melongena. Organic Morden Midget Eggplant Vegetable Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, italian eggplant. Suitable for growing in greenhouses, garden plots, raised beds, or containers....
Radish Seeds - Long Scarlet Cincinnati
Long Scarlet Cincinnati Radish Seeds. Heirloom, Non-GMO. Raphanus sativus. 30 days. Long tapered deep red roots, 6 x 3/4 in roots, crisp tender white flesh , medium tops, for bunching...
Hot Radish Seeds - Karaine - Hybrid
70 days to maturity. Raphanus sativus. Karaine Hot Radish Seeds, Hybrid. Cool season annual, non-GMO. Hot radishes are a unique and flavorful variety of daikon that get their name from...
Tomato Seeds - Cherry - Riesenstraube
75-85 Days to maturity (from transplant). Solanum lycopersicum. Riesenstraube Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses. German heirloom...
Squash Seeds - Summer - Summerpac F1
Summerpac F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 47 days to maturity. A Hybrid crookneck which is very smooth with no warts. Approximately 250 Seeds / Ounce....
Onion Seeds - Long - Stuttgarter (Organic)
100 Days to maturity. Allium cepa. Organic Stuttgarter Onion Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, bulbing, long-day onion. Suitable for growing in greenhouses, garden plots, and raised beds. AKA: Giant...
Bean Seeds - Bush - French Garden
50-60 Days to maturity. Phaseolus vulgaris. French Garden Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, bush, snap green bean. Suitable for growing in containers, garden plots, raised beds, and...
Mustard Seeds - Seaweed - Oka Hijiki
This seed is unavailable until 2027. Add your email to receive a notification when it is available again. Seaweed Mustard Seeds - Oka Hijiki. Non-GMO. Heirloom. Non-GMO. Salsola komarovi. 30-40...
Corn Seeds - Popcorn - Miniature Blue
100-110 Days to maturity. Zea mays ’Miniature Blue’. Miniature Blue Corn Seeds. Non-GMO, heirloom, open-pollinated, annual, Pop Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat...
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