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]()
Watermelon Seeds - Giant - Black Diamond Yellow Belly
90 - 95 Days to maturity. Citrullus lanatus. Black Diamond Yellow Belly Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, giant watermelon. This watermelon has red flesh with a...
Cabbage Seeds - Red Express
Brassica oleracea (63 days) Red Express Cabbage is the earliest developing red cabbage we carry. We have been very impressed with it in our 2010 cabbage trials. It is very...
Tomato Seeds - Slicing - Kellogg's Breakfast
80 Days to maturity (from transplant). Solanum lycopersicum. Kellogg’s Breakfast Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Kniphofia Seeds - Flamenco
112-126 Days to maturity. Kniphofia uvaria. Flamenco Kniphofia Seeds. Non-GMO, organic, Perennial. Flamenco kniphofia seeds promise exotic, unmistakable, and award-winning blooms native to the cool ocean regions of South Africa's...
Tomato Seeds - Slicing - Bradley
80 Days to maturity (from transplant). Solanum lycopersicum. Bradley Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, semi-determinate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Bred in...
Mustard Seeds - Mizuna, Early
45 Days to maturity. Brassica rapa Japonica group. Early Mizuna Mustard Seeds. Heirloom, Non-GMO, Open Pollinated. Annual. This early maturing Japanese mustard is also known as Kyona Mizuna. The mustard...
Salvia Seeds - Victoria Series
98-112 Days to maturity. Salvia farinacea. Salvia Victoria Series Seeds. Non-GMO, perennial or annual. Ornamental. Victoria Series salvia seeds grow a unique and exotic twist to familiar lavender garden favorites....
Pak Choi Seeds - Hotau Improved Hybrid
30-40 days to maturity.Brassica rapa var chinensis. Hotau Improved Hybrid Pak Choi Chinese Cabbage Seeds. Non-GMO, warm or cool-season annual, hybrid. This is a mini-type pak choi that is commonly...
Cucumber Seeds - Suyo Long
60 Days to maturity. Cucumis sativus. Suyo Long Cucumber Seeds. Non-GMO, annual, open-pollinated, heirloom, parthenocarpic, slicing, burpless, Asian cucumber. Suitable for growing in fields, containers (with support), garden plots, raised...
Pepper Seeds - Sweet - Tennessee Cheese
80 Days to maturity (from transplant). Capsicum annuum. Tennessee Cheese Pepper Seeds. Also known as Cheese Red Pepper. Non-GMO, annual, open-pollinated, heirloom, sweet pepper with no heat. 0 Scoville Heat...
Dianthus Seeds - Telstar Mix (Pelleted)
105-112 days to maturity. Dianthus chinensis x barbatus. Dianthus Telstar Mix Seeds. Non-GMO, Annual or Biennial. Ornamental. Telstar Mix dianthus seeds boast elegant 1-2 inch blooms to reinvigorate any stale...
Beet Seeds - White Albino
White Albino Beet Seeds. Beta vulgaris. 50 days to maturity. Heirloom, Annual. A completely white beet, Albino has sweet roots and a good beet flavor. Approximately 1,250 seeds/ounce Download Free...
Cucumber Seeds - White Wonder
Heirloom and Non- GMO White Wonder Cucumber is ready in 35-60 days. Albino cucumbers are a very productive and vigorous variety that produces a 7-9" long fruit. Long white cucumbers...
Pepper Seeds - Hot - Habanero White
90-99 Days to maturity (from transplant). Capsicum chinense. Habanero White Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, high yielding, deer resistant, hot pepper with extra hot heat levels. 100,000 to 350,000...
Onion Seeds - Bunching - Shimonita Negi
120-140 Days to maturity. Allium fistulosum. Variety name Onion Seeds. Non-GMO, perennial, open-pollinated, heirloom, bunching onion. Suitable for growing in greenhouses, garden plots, raised beds, and containers. Shimonita Town is...
Cucumber Seeds - Wisconsin SMR-58 Pickling (Organic)
55-58 Days to maturity. Cucumis sativus. Organic Wisconsin SMR-58 Pickling Cucumber Cucumber Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, monoecious, pickling cucumber. Suitable for growing in fields, containers (with support), garden...
Evening Primrose Seeds - Dwarf
Oenothera glazioviana (syn. O. lamarckiana)- Perennial with stems 2 inches long. Drought Tolerant and long-lived. Makes a great ground cover. Evening Primrose Flower Seeds - Dwarf - Oenothera glazioviana Non-GMO...
Lobelia Seeds - Cambridge Blue
77-84 Days to maturity. Lobelia erinus. Cambridge Blue Lobelia Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, annual. Open Pollinated. Cambridge Blue lobelia is brilliant, easy to grow from seed, and perfectly...
Tomato Seeds - Slicing - Hillbilly (Organic)
85-94 Days to maturity (from transplant). Solanum lycopersicum. Organic Hillbilly Tomato Seeds. Non-GMO, warm season annual, organic, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Tomato Seeds - Paste - Hungarian Paste (Organic)
75-85 Days to maturity (from transplant). Solanum lycoperscium. Hungarian Paste (Organic) Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate, paste tomato. It produces good yields of top-quality pear-shaped tomatoes that...
Pepper Seeds - Ornamental - Black Pearl
Non-GMO Black Pearl pepper is a unique ornamental pepper with pure black leaves when grown in the sun. The plant produces small, black shiny peppers that will turn red and...
Tomato Seeds - Slicing - Beefsteak Yellow
85 Days to maturity (from transplant). Solanum lycopersicum. Beefsteak Yellow Tomato Seeds. Non-GMO, warm-season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Melon Seeds - Honeydew - Earli-Dew Hybrid
80 Days to maturity. Cucumis melo. Earli Dew Hybrid Honeydew Melon Seeds. A non-GMO, annual, F1 hybrid, heat tolerant, Honeydew Melon. Suitable for growing in garden plots, raised beds, and...
Lettuce Seeds - Leaf - Flame (Organic)
45-60 Days to maturity. Lactuca sativa. Organic Flame Lettuce Seeds. Non-GMO, annual, organic, heirloom, open-pollinated. This is a rare and striking looseleaf variety, known for its vibrant, frilled red leaves...
Pepper Seeds - Hot - Japanese - Takanotsume
60 to 70 Days to maturity (from transplant). Capsicum annuum. Takanotsume Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, hot-type pepper with medium heat levels. 10,000 to 30,000 Scoville Heat Units. Suitable...
Tomato Seeds - Slicing - Watermelon Beefsteak
75 Days to maturity (from transplant). Solanum lycopersicum. Watermelon Beefsteak Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Celosia Seeds - Wheat - Flamingo Series
85-95 Days to maturity. Celosia argentea spicata. Flamingo Series Wheat Celosia Flower Seeds. Non-GMO, Annual. Received the Award of Garden Merit from the Royal Horticultural Society. These stunning Celosias are...
Bean Seeds - Bush - Contender (Treated)
50-65 Days to maturity. Phaseolus vulgaris. Contender Bush Treated Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high yielding, heat tolerant, bush, snap, stringless bean. Suitable for growing in containers, garden plots,...
Sweet Pea Seeds - Knee High Mixture
98-112 Days to maturity. Lathyrus odoratus. Sweet Pea Knee High Mixture Seeds. Non-GMO, annual, open-pollinated. Knee High Mix sweet pea seeds grow into one of the most recognizable, popular, and...
Tomato Seeds - Cherry - Fox Cherry
80 Days to maturity (from transplant). Solanum lycoperscium. Fox Cherry Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses. With...
Pepper Seeds - Hot - Habanero Orange (Organic)
100-109 Days to maturity (from transplant). Capsicum chinense. Habanero Orange Organic Pepper Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, deer resistant, heat tolerant, drought tolerant, hot pepper with extra hot heat...
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