March is the month when most gardens really wake up. In colder regions, it is prime time for indoor seed starting and preparing beds. In milder climates, spring planting is already rolling, and in the warmest zones, the garden may be producing heavily while you begin shifting toward heat-loving crops.
Zones 1-7a: These zones experience cold winters with extended periods of freezing temperatures. In March, monitor soil conditions, thaw cycles, and late frosts as you prepare for early outdoor sowing. Indoors, this is a busy month for starting cool-season crops and hardy flowers under lights or in a greenhouse so they are ready to transplant as soon as the weather settles.
Zones 7b-9a: These zones experience mild winter weather and are warming quickly in March. Many cool-season crops can be direct sown outdoors, and succession planting helps keep harvests coming as temperatures rise. It is also a great time to start warm-season favorites indoors while keeping frost protection on hand for unexpected cold snaps. And of course, sprouts and microgreens are always in season indoors!
Zones 9b-12: Depending on your area, March can be peak garden season in these warm-winter zones. Many crops planted earlier are now producing, and this month often marks the transition from late cool-season planting to the start of warm-season gardening. In the hottest areas, you may begin planting heat lovers while timing your last rounds of tender cool-season crops before warmer weather arrives.
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![Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites]()
Lettuce Seeds - Romaine - Little Caesar
Little Caesar Lettuce Seeds. 70 days to maturity. Lactuca sativa. Heirloom, Annual. Little Caesar Lettuce is a very attractive, tall romaine type with crisp, bright green outer leaves and golden-blanched...
Cucumber Seeds - Suyo Long (Organic)
60 Days to maturity. Cucumis sativus. Organic Suyo Long Cucumber Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, parthenocarpic, slicing, burpless, Asian cucumber. Suitable for growing in fields, containers (with support), garden...
Pea Seeds - Snap - Cascadia
60-70 Days to maturity. Pisum sativum. Cascadia Snap Pea Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to powdery mildew...
Tobacco Seeds - Havana 142
50-60 days. Connecticut Broadleaf Tobacco Seeds. Nicotiana tabacum. Premium Wrapper. Non-GMO. Heirloom. Connecticut Broadleaf is a short-season crop ready to harvest in 7-8 weeks, quickly developing 12-16" wide leaves for...
Beet Seeds - Green Top Bunching
Beta vulgaris (60 days) Green Top Bunching beets have flattened globe shaped roots. Beet roots are red and tasty. Perfect for cooking or pickling. Approx. 1,500 seeds/ounce. Beet Seeds -...
Kamut (Organic) - Sprouting Seeds
KAMUT® Brand khorasan wheat is an ancient relative of modern durum wheat, originating in Mesopotamia. It is versatile and can be used for everything from sprouting to kamut grass, to...
Flowering Herbs Mix Seeds
Flowering Herbs Mix Seeds. Annual. Assortment. Non-GMO. Open-Pollinated. This annual blend of fragrant and deliciously edible flowering herbs is ideal for anyone wanting both a wildflower garden and fully harvestable...
Swiss Chard Seeds - Magenta Sunset
60 days. Magenta Sunset Swiss chard has striking almost neon pink stems with dark green leaves. These leaves are both beautiful and practical to grow in the home garden. Their...
Endive Seeds - Green Curled Ruffec
95 days. Recommended by Utah State University, non-GMO Green Curled Ruffec Endive seeds are hardy and tolerant of cold and wet weather. Endive is a crop regarded as being easy...
Bean Seeds - Bush - Broad Windsor Fava
70-85 Days to maturity. Vicia faba. Broad Windsor Fava Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, bush, shell, fava bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Tomato Seeds - Slicing - Caribe
85 Days to maturity (from transplant). Solanum lycoperscium. Caribe Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant to...
Bean Seeds - Bush - Harvester
55 Days to maturity. Phaseolus vulgaris. Harvester 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 greenhouses....
Mustard Seeds - Greenwave
Non-GMO, Heirloom Green Wave Mustard Seeds from True Leaf Market. Green Wave Mustard is a terrific all-purpose mustard green. Its bright green ruffled leaves have a moderately hot flavor. Cooking...
Leek Seeds - Carentan - Microgreens
Carentan leeks are an excellent addition to dishes that need an extra oniony zest. This European plant has high yields. Tender white stems grow 8.5 inches long and 2 inches...
Cosmos Seeds - Cosmic Mix
56-63 Days to maturity. Cosmos sulphureus. Cosmic Mix Cosmos Seeds. Non-GMO, annual, Heirloom, Open Pollinated. Cosmic Mix seeds grow an elegant and award-winning cosmos that promises to invigorate any stale...
Pumpkin Seeds - Blue Harvest F1
Blue Harvest F1 Hybrid Pumpkin Seeds. Cucurbita maxima. F1 Hybrid. Non-GMO. Annual. 95 days to maturity. Uniquely blue skinned pumpkin usually weighs 7-8 lb 9 x 10 in. fruit. About...
Beet Seeds - Crosby Egyptian
Beta vulgaris (60 days) Egyptian type beets were created in the 1860s by the Germans. The Crosby strain was selected by Josiah Crosby of Arlington, Massachusetts and introduced by The...
Pepper Seeds - Sweet - Chinese Giant
73-90 Days to maturity (from transplant). Capsicum annuum. Chinese Giant Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, sweet pepper with no heat. 0 Scoville Heat Units. Suitable for growing in garden...
Kale Seeds - Red
Red Kale Seeds. Brassica napus. Annual. Open Pollinated, Heirloom, Non-GMO. Excellent option for growing as a microgreen. 8 to 12 days for microgreen harvest, 20 to 25 days for baby...
Tomato Seeds - Cherry - Sweetie (Organic)
65-70 Days to maturity (from transplant). Solanum lycoperscium. Organic Sweetie Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Cucumber Seeds - Soarer - Hybrid
55-60 Days to maturity. Cucumis sativus ‘Soarer’. Soarer Cucumber Seeds. Warm-season annual hybrid. Non-GMO. Soarer is valued particularly for its flavor. This Japanese burpless cucumber hybrid is easy to grow...
Horehound Seeds
85-90Days to maturity. Marrubium vulgare. Horehound Seeds. Non-GMO, perennial, organic, open-pollinated, heirloom. Horehound is a hardy perennial herb with silvery-green leaves and small white blooms, prized for its intense bittersweet,...
Lettuce Seeds - Crisphead - Blonde De Paris
50-60 days. Blonde de Paris Batavia Lettuce Seeds. Lactuca sativa. Non-GMO. Open Pollinated. An award-winning and absolutely hardy cultivar of butter head, Buttercrunch is tender, delicious, and looks as good...
Tobacco Seeds - Virginia 509
~60 Days from transplant to maturity. Nicotiana tabacum. Virginia 509 Tobacco Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to...
Vetch Seeds - Common
An amazing addition to any garden's bare land, this legume can loosen your soil and add nitrogen. This is a farmers staple feed for cattle, horses, or even rabbits. Read...
Tomato Seeds - Salad - Moneymaker
75 Days to maturity (from transplant). Solanum lycopersicum. Moneymaker Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, heat tolerant, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds,...
Bean - Bush - Soybean (Organic) - Cover Crop Seeds
80 Days to maturity. Glycine max. Organic Soybean Seeds. Non-GMO, annual, organic, open-pollinated, bush, shell, soybean, sprouting bean. Suitable for growing in garden plots, raised beds. A popular cover crop...
Mint Seeds - Pennyroyal
90 Days to maturity. Mentha pulegium. Pennyroyal Mint Seeds. Non-GMO, annual or perennial, open-pollinated, heirloom. Suitable for growing in containers, garden plots, raised beds, and greenhouses. Pennyroyal Mint is a...
Pepper Seeds - Hot - Chiltepin
100 Days to maturity (from transplant). Capsicum annuum var. glabriusculum. Chiltepin Hot Pepper Seeds. Non-GMO, annual, open-pollinated, deer resistant, heat tolerant, drought tolerant, hot pepper with hot heat levels. 50,000-100,000...
Pepper Seeds - Hot - Birdseye Chili
120-129 Days to maturity (from transplant). Capsicum annuum. Birdseye Chili Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, deer resistant, hot pepper with hot heat levels. 50,000 to 100,000 Scoville Heat Units....
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