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]()
Carrot Seeds - Kuroda Long 8"
The Kuroda Long 8" carrot is a sweet Asian carrot. It is tolerable to multiple climates, and grows best with some shade. Seeds should be planted in fertile loose soil....
French Marigold Seeds - Janie Series
56-63 Days to maturity. Tagetes patula. Janie Series Marigold Seeds. Non-GMO, annual, open-pollinated. Growing Janie Series Marigold seeds this season is an effortless and award-winning way to dash some summer...
Sorghum Seeds - Rox Orange Syrup Cane
Rox Orange Syrup Cane. Sorghum. Sorghum bicolor. 70-80 days. Open Pollinated. Heirloom. Non-GMO. AKA: Broom Corn. Though technically a variety of grass, Rox Orange Syrup sorghum grows a dramatic and...
Echinacea Seeds - White Swan
70-84 days. Non-GMO, Heirloom White Swan Echinacea Herb Garden Seed from True Leaf Market. Echinacea purpurea. Echinacea grows as a warm perennial native to North America. Cultivated in 1987, this...
Gourds Seeds - Small Mix
Small Gourds Mix is ready in 90-120 days. This is a collection of different shapes in shades of white, cream, gold, yellow, and green. These gourds are suitable for decoration....
Orach Seeds (French Spinach) - Red Fire
Non-GMO, Heirloom Red Fire Orach Vegetable Garden Seed from True Leaf Market. Atriplex hortensis. Red Fire Orach Seeds originated in Egypt and Europe, as one of the oldest cool season...
Pepper Seeds - Sweet - Fushimi
65 Days to maturity (from transplant). Capsicum annuum. Fushimi Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, sweet pepper with mild heat levels. 1,000 to 2,500 Scoville Heat Units. Suitable for...
Squash - Summer - Dark Green Zucchini (Organic)
Cucurbita pepo. (45-65 days) An early vigorous bush zucchini with straight, smooth, dark-green mottled fruits. Tastiest at 6-8" with pale greenish-white, firm flesh. Great for market growers and easy to...
Rutabaga Seeds - Laurentian
90-95 days. Non-GMO. Heirloom. Laurentian Rutabaga Seeds from True Leaf Market produce deep purple and creamy yellow rutabagas weighing up to 1 lb. The smooth, uniform roots are typically between...
Radish Seeds - Easter Egg Blend
Non-GMO Easter Egg Blend Radish Seeds, Heirloom. Easter Egg Blend Radish Seeds are native to regions in Asia and were grown in Europe around 5,000 years ago. Freshly eaten radishes...
Caraway Seeds
455 Days to maturity (2nd year). Carum carvi. Caraway Seeds. Non-GMO, open-pollinated, heirloom, biennial herb seed. Attracts pollinators and is both cold and drought-tolerant once established. Caraway is an attractive...
Tomato Seeds - Slicing - Peron Sprayless
70 Days to maturity (from transplant). Solanum lycoperscium. Peron Sprayless Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, drought tolerant, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Basil - Cinnamon - Microgreens Seeds
18-30+ days. This variety of basil may look like any other with faint shades of bronze in its stems, but the aroma and flavor will tell you otherwise. While still...
Pea Seeds - Snow - Taiwan Sugar (Organic)
60-70 Days to maturity. Pisum sativum. Organic Taiwan Sugar Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to powdery...
Turnip Seeds - Seven Top
45-65 days. Brassica rapa. Seven Top Turnip seeds grow into cool season root vegetables that are biennials, fast growing and referred to as "turnip greens." These heirloom seeds come from...
Parsley Seeds - Plain or Single (Organic)
70-80 Days to maturity. Petroselinum crispum. Organic Plain or Single Parsley Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Plain...
Corn Seeds - Popcorn - Glass Gem
110 days. The Glass Gem variety of corn was developed by Carl Barnes, a farmer from Oklahoma, as a way of reconnecting with his Cherokee heritage. The Glass Gem seeds...
Lavender Seeds - Munstead
126-140 Days to maturity. Lavender angustifolia. Munstead Lavender Seeds. Heirloom, Non-GMO, Open Pollinated. Perennial. A fragrant robust lavender that, due to its short size and tightly held blooms (about 8...
Pepper Seeds - Sweet - Sweet Pickle
75 Days to maturity (from transplant). Capsicum annuum. Sweet Pickle Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, sweet pepper with no heat. 0 Scoville Heat Units. Suitable for growing in containers,...
Yellow Soybeans (Organic) - Bulk Grains & Foods
Used for centuries in Eastern Asia as a food source and for its medicinal properties, these Organically grown soybeans are a fabulous source of plant protein. Soybean sprouts are incredibly...
Broccoli Seeds - Chinese Broccoli - Kailaan
Broccoli Seeds - Chinese Broccoli - Kailaan. Heirloom, Non-GMO. Brassica oleracea var alboglabra. Also known as cai ro, chair lan, Chinese broccoli, Chinese kale, gailaan, gai lan, gailon, gelancai, guy...
Nasturtium Seeds - Empress of India
Empress of India Nasturtium Flower Seeds. Edible Flowers. Annual Flower. Mix with a salad of baby greens or use as a garnish. The dark leaves set off the dazzling, long-spurred...
Bean Seeds - Bush - Masai
47-60 Days to maturity. Phaseolus vulgaris. Masai Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high yielding, heat tolerant, bush, snap, green bean. Suitable for growing in containers, garden plots, raised...
Amaranth Seeds - Green Leaf - Lu Hsien
45-70 days to maturity.Amaranthus mangostanus ‘Lu Hsien’. Lu Hsien Green Leaf Amaranth Seeds. Non-GMO, Heirloom, annual. Amaranth is originally from the tropics of multiple continents; today, it is grown globally....
Calendula Seeds - Solar Flashback Mix - Organic
50-60 Days to maturity. Calendula officinalis. Solar Flashback Mix Calendula Seeds. Non-GMO, Organic, Annual. Solar Flashback Mix Calendula flowers are a distinctive new family of flash calendulas, selected to highlight...
Cosmos Seeds - Candystripe
60-90 Days to maturity. Cosmos bipinnatus. Candystripe Cosmos Seeds. Non-GMO, annual, Heirloom, Open Pollinated. Who wouldn't love Candystripe? Enjoy stunning colors on one of the easiest of all flowers to...
Mustard Seeds - Spinach (Komatsuna) - Tendergreen
45 days. Mustard-Spinach or Komatsuna. Milder than regular mustard greens, this variety has thick, smooth leaves on upright, heat and cold tolerant plants. Tendergreen is widely used both in stir...
Tomato Seeds - Paste - Super Italian Paste
73-97 Days to maturity (from transplant). Solanum lycoperscium. Super Italian Paste Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, paste tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Paracress Seeds - Toothache Plant
120-130 Days to maturity. Acmella oleracea. Toothache Plant Paracress Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in containers, garden plots, raised beds, flower borders, and greenhouses. Toothache Plant Paracress...
Parsley Seeds - Italian Giant
70-80 Days to maturity. Petroselinum crispum. Italian Giant Parsley Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Italian Giant parsley brings...
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