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]()
Mustard - Tatsoi - Microgreens Seeds
Up to 12 days. Tatsoi Microgreens seeds. Very easy to grow with a great mild flavor. The mild flavor makes it a great choice as a base for any microgreen...
Cabbage Seeds - Early Jersey Wakefield
Brassica oleracea var. capitata (63 days) Early Jersey Wakefield cabbage forms a compact, somewhat conical head with glaucous-green leaves. Early Jersey Wakfield is a wonderful early heading variety, occupying little...
Gourd Seeds, Bitter - Green Skin
70 days to Maturity (after transplanting). Momordica charantia ’Green Skin’. Green Skin Bitter Gourd Seeds. Non-GMO, warm-season, annual, hybrid. This is an excellent, open-pollinated, Chinese bitter gourd that produces fruit...
Tomato Seeds - Slicing - Momotaro Hybrid
60 Days to maturity (from transplant). Solanum lycopersicum. Momotaro Hybrid Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, heat tolerant, indeterminate, slicing tomato. Suitable for growing in garden plots, raised...
Squash Seeds - Japanese Red Kuri - Organic
Cucurbita maxima. (90 days) Also known as "Uchiki Kuri", "Baby Red Hubbard" or "Orange Hokkaido". Japanese Red Kuri are bright red teardrop shaped squash that average 5-8 pounds. Organic Japanese...
Tobacco Seeds - Golden Burley
~60-65 Days from transplant to maturity. Nicotiana tabacum. Golden Burley Tobacco Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to...
Tobacco Seeds - Sacred Wyandot
~35 Days from transplant to maturity. Nicotiana rustica. Sacred Wyandot Tobacco Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to...
Cucumber Seeds - Beit Alpha F1 CMR/MMR
52 Days to maturity. Cucumis sativus. Beit Alpha Hybrid CMR/MMR Cucumber Seeds. Non-GMO, annual, F1 hybrid, parthenocarpic and gynoecious, dual-use slicing or pickling cucumber. Suitable for growing in fields, containers...
Broccoli Seeds - Chinese Broccoli - Late Jade - Hybrid
60-70 days to maturity. Brassica oleracea var alboglabra ‘Late Jade’. Late Jade Chinese Broccoli Seeds. Non-GMO, Hybrid, Cool-season Annual. Originating in the Mediterranian, Chinese Broccoli was introduced to China in...
Pepper Seeds - Hot - Scotch Bonnet Red
90-100 Days to maturity (from transplant). Capsicum chinense. Scotch Bonnet Red Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, deer resistant, hot pepper with extra hot heat levels. 100,000 to 350,000 Scoville...
Carrot Seeds - Cosmic Purple - Organic
(58 days) Purple on the outside and bright orange on the inside, these carrots are a real show stopper! Have trouble getting the kids to eat carrots? Cosmic Purple to...
Amaranth Seeds - Red Army - Microgreens Seeds
Red Army Amaranth Seeds. Non-GMO. Heirloom. Microgreen and Garden Seeds. Amaranthus cruentus. AKA: Blood Amaranth, Princes Feather, or Mexican Grain Amaranth. 100-130 days. Red Army amaranth is a darker and...
Chervil Seeds - Curled
Non-GMO, Heirloom Curled Chervil Garden Seed from True Leaf Market. Anthriscus cerefolium. These hardy annual herbs produce as a cool season crop and originate from Southeast Europe and West Asia....
Carrot Seeds - Solar Yellow - Organic
Daucus Carrota (60 days) Yellow carrots have been around for a long time. As far as researchers can document, they originated in the Middle East sometime in the 900s. Now...
Corn Seeds - Dent - Truckers Favorite White
70-85 Days to maturity. Zea mays. Truckers Favorite White Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Dent Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Pak Choi Seeds - Wa Wa Qing - Hybrid
30-35 Days to maturity. Brassica rapa Chinensis group. Wa Wa Qing, Pak Choi (Bok Choy) Seeds. Hybrid Non-GMO Annual. This is a “Shanghai baby” pak choi variety. Plants grow upright,...
Bean Seeds - Bush - Cherokee Black Wax
50-65 Days to maturity. Phaseolus vulgaris. Cherokee Black Wax Bush Bean Seeds. Non-GMO, annual, open-pollinated, bush, snap, wax bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Pea - Microgreens Seeds
6-14 Days to maturity. Pisum sativum. Pea Microgreen Seeds. Pea microgreens are grown differently than most other microgreens but are well worth the change of pace. While they are different,...
Onion Seeds - Bunching - Ishikura Winter Long
40-60 Days to maturity. Allium fistulosum. Ishikura Winter Long Japanese Bunching Onion Seeds. Non-GMO, annual, perennial, open-pollinated, heirloom, cold hardy, bunching onions. Suitable for growing in greenhouses, garden plots, raised...
Basil Seeds - Dwarf Greek
Non-GMO, Open-pollinated, Heirloom Dwarf Greek Basil Herb Seed from True Leaf Market. Ocimum basilicum. As basil has many different varieties, Dwarf Greek Basil Herb is one of the smaller, ancient...
Lettuce Seeds - Red Oakleaf (Organic)
Lactuca sativa (38 days) A deep merlot colored leaf resembling an oak leaf with deep lobes. Excellent for baby leaf production. Unlike some other reds, oakleaf maintains a mild flavor...
Amaranth Seeds - Red Leaf - Hu Hsien
45-70 days to maturityAmaranthus tricolor ‘Hu Hsien’. Red Leaf Amaranth Seeds. Non-GMO, Heirloom. Annual. Amaranth is originally from the tropics of multiple continents; today, it is grown globally. The plant...
Melon Seeds - Cantaloupe - Ambrosia Hybrid
85 Days to maturity. Cucumis melo. Ambrosia Hybrid Cantaloupe Melon Seeds. A non-GMO, annual, hybrid, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant to...
Shungiku (3 Color Daisy) Seeds- Microgreens
Glebionis carinata. Non-GMO. Shungiku (AKA, Three Color Daisy, Tri Color Daisy) can be grown as an edible flower, salad greens or especially as a microgreen. As a micro it has...
Zinnia Seeds - Swizzle Series
54-70 Days to maturity. Zinnia elegans. Swizzle Series Zinnia Seeds. Non-GMO, organic, F1 hybrid, annual. Swizzle Series Zinnia flower seeds in your garden will turn heads this summer. Swizzle Series...
Bean Seeds - Pole - King of the Garden Lima
65-85 Days to maturity. Phaseolus vulgaris. King of the Garden Pole Lima Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat-tolerant, drought-tolerant, pole, shell, lima bean. Suitable for growing in containers, garden...
Marigold Microgreens Seeds - Minuta, Edible
7-10 days. Minuta edible Marigold microgreen seeds can be enjoyed within days of germination. Minuta Marigold seeds sprout into light pink stems and wide, serrated leaves that complement earthy, minty...
French Marigold Seeds - Naughty Marietta
50-65 Days to maturity. Tagetes patula. Naughty Marietta French Marigold Seeds. Non-GMO, annual, hybrid. This dwarf classic marigold is ideal for borders and mass plantings. The Naughty Marietta variety features...
Orach Seeds - Purple
Non-GMO, Heirloom Purple Orach Vegetable Garden Seed from True Leaf Market. Atriplex hortensis. Purple Orach Seeds originated in Europe and Siberia as one of the oldest grown cool season crops"...
Onion Sets - Karmen Red
100 Sets This is a pre-order item and is expected to ship in March to April for spring planting. Other seeds, supplies, or kits ordered with this product may ship...
Beet Seeds - Gourmet Blend
50-60 days. Beta vulgaris. Gourmet Blend Beet Seeds. Non-GMO, annual, open-pollinated. This crop is suitable for garden plots, raised beds, and containers. A colorful five-variety mix—Bull's Blood, Detroit Dark Red,...
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