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]()
Cauliflower Seeds - Violetta Italia
80-89 days. Brassica oleracea var. botrytis. Violetta Italia Cauliflower Seeds. Non-GMO, annual, heirloom, open-pollinated. This crop is suitable for garden plots, raised beds, and larger containers, offering compact lavender-purple heads...
Gourd Seeds - New Jang Sin - Hybrid
80 Days to maturity after transplanting. Benincasa hispida ’chieh-qua’. New Jang Sin Gourd Seeds. Non-GMO, warm-season, annual, hybrid. This jointed gourd, hairy melon, or mokwa variety is an early to...
Pepper Seeds - Hot - Tepin
100 Days to maturity (from transplant). Capsicum annuum var. glabriusculum. Tepin Hot Pepper Seeds. Non-GMO, annual, open-pollinated, deer resistant, heat tolerant, drought tolerant, hot pepper with hot heat levels. 50,000-100,000...
Basil Seeds - Culinary Blend (Organic)
60-90 Days to maturity. Ocimum basilicum. Organic Culinary Blend Basil Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. This blend of...
Dusty Miller Seeds - Cirrus (Pelleted)
84-91 Days to maturity. Senecio cineraria. Dusty Miller Cirrus Seeds. Non-GMO, Open Pollinated, Pelleted, Annual. Cirrus Dusty Miller seeds grow a vigorous Mediterranean favorite ideal for many moderate to dry...
Tomato Seeds - Slicing - Beefsteak White
85 Days to maturity (from transplant). Solanum lycoperscium. Beefsteak White Tomato Seeds. Non-GMO, annual, heirloom, open-pollinated, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Also...
Celery Seeds - Golden Boy
Golden Boy Celery Seeds. Heirloom, Annual. Apium gravolens. 85 days to maturity. Golden Boy grows 18 to 20 inches tall. Approximately 70,000 seeds/ounce Download Free Vegetable Growing Guide PDF Celery...
Tomato Seeds - Slicing - Ace 55 VF (Organic)
85 Days to maturity (from transplant). Solanum lycoperscium. Organic Ace 55 VF Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, determinate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Melon Seeds - Cantaloupe - Rocky Ford Green Flesh
89 Days to maturity. Cucumis melo. Rocky Ford Green Flesh Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots, raised beds,...
Tomato Seeds - Slicing - Big Rainbow (Organic)
85-90 Days to maturity (from transplant). Solanum lycopersicum. Organic Big Rainbow Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Paste - Golden Roma
75 to 90 Days to maturity (from transplant). Solanum lycoperscium. Golden Roma Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, yellow paste tomato. Suitable for growing in garden plots, raised beds,...
Gaillardia Seeds - Mesa Yellow
84-91 Days to maturity. Gaillardia x grandiflora. Gaillardia Mesa Yellow Seeds. Non-GMO, Perennial. Mesa Yellow seeds grow one of the summer's brightest and most celebrated blooms, vigorous gaillardias with eye-catching...
Celosia Seeds - Plumed - Forest Fire
85-95 Days to maturity. Celosia plumosa. Forest Fire Celosia Flower Seeds. Non-GMO, Annual. These classic Celosias are high performers throughout the summer with their densely packed and vibrantly colored spires....
Sweet Pea Seeds - High Scent
75-85 Days to Maturity. Lathyrus odoratus. Sweet Pea High Scent Seeds. Non-GMO, annual, open-pollinated flower seeds. High Scent sweet peas are a timeless and brilliant addition to any home or...
Rapeseed - Canola
74-140 Days to maturity. Brassica napus. Spring Rapeseed Canola Seeds. Non-GMO, open-pollinated biennial. Spring Rapeseed Canola can be grown as sprouts, microgreens, roots, leafy greens, vegetable oil, biofuel, forage, or...
Melon Seeds - Casaba - Sungold (Organic)
85-110 Days to maturity. Cucumis melo. Organic Sungold Casaba Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant, drought-tolerant, Casaba Melon. Suitable for growing in garden plots, raised beds, and...
Melon Seeds - Cantaloupe - Iroquois
75-90 Days to maturity. Cucumis melo. Iroquois Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant to...
Brachycome Seeds - Splendor Mix
70-84 Days to maturity. Brachyscome iberidifolia. Splendor Mix Brachycome Seeds. Non-GMO, Ornamental, Perennial. Splendor Mix Brachycome seeds promise an authentic touch of western Australia and New Zealand in your home...
Melon Seeds - Cantaloupe - Haogen
80-85 Days to maturity. Cucumis melo. Haogen Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. This unique...
Spring Mix Cover Crop
30-90 Days to termination. Spring Mix Cover Crop Seeds. Non-GMO, annual, no-till, forage-friendly, and winter-killing with extended freezing temperatures. This mix contains plants that grow well during the cool spring...
Melon Seeds - Cantaloupe - Delicious 51
85 Days to maturity. Cucumis melo. Delicious 51 Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant...
Pepper Seeds - Hot - Hot Portugal (Organic)
60-85 Days to maturity (from transplant). Capsicum annuum. Organic Hot Portugal Pepper Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, deer resistant, hot pepper with medium to hot heat levels. 5,000 to...
Tomato Seeds - Slicing - Boxcar Willie
80 Days to maturity (from transplant). Solanum lycopersicum. Boxcar Willie Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. This...
Melon Seeds - Cantaloupe - Edisto 47 (Organic)
85 Days to maturity. Cucumis melo. Organic Edisto 47 Cantaloupe Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant, humidity-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds,...
Corn Poppy Special Collection - American Legion
Internationally recognized as the symbolic flower for fallen soldiers, the American Legion corn poppy is one of the most cherished and vibrant blooms in the world. Packaged in a patriotic...
Watermelon Seeds - Picnic - Legacy
85 Days to maturity. Citrullus lanatus. Legacy Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. Excellent shelf life and a great...
Gourd Seeds - Haa Sing - Hybrid
80-90 days to maturity. Luffa acutangula ’Haa Sing’. Haa Sing Gourd Seeds. Non-GMO, warm-season, annual, hybrid. This unique gourd plant has ridged fruit growing to be 26-30" long and dark...
Tomato Seeds - Slicing - Giant Belgium Yellow
82-95 Days to maturity (from transplant). Solanum lycopersicum. Giant Belgium Yellow Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Watermelon Seeds - Icebox - Triple Express Hybrid
Triple Express F1 Hybrid Watermelon Seeds. Citrullus lanatus. F1 Hybrid. Non-GMO. Annual. 80 days to maturity. Seedless. Triple Express F1 is an early Crimson Sweet triploid, with a firm flesh...
Tomato Seeds - Slicing - Green Zebra Giant
85 Days to maturity (from transplant). Solanum lycopersicum. Green Zebra Giant Tomato Seeds. Non-GMO, warm season annual, open-pollinated, determinate, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Slicing - Aunt Ruby's German Green (Organic)
80 Days to maturity (from transplant). Solanum lycopersicum. Organic Aunt Ruby’s German Green Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised...
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