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]()
Kale Seeds - Garden Blend
Garden Blend Kale Seeds. 70 - 80 days to maturity. Brassica oleracea. Open-pollinated. Annual. Everyone wants to grow the best of the best in garden performance. Kale Garden Blend's component...
Lettuce Seeds - Romaine / COS - Rouge D'Hiver
50-60 days. Rouge D'Hiver Romaine Lettuce Seeds. Lactuca sativa. Non-GMO. Open Pollinated. This well loved French heirloom from the 1800s has been pleasing gardeners with its rich, buttery flavor for...
Tarragon Seeds - Mexican
70-90 Days to maturity. Tagetes lucida. Mexican Tarragon Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Discover the warm, licorice-scented charm...
1020 Clear Humidity Dome - Extra Strength
Heavy-duty plastic Humidity Dome for 1020 Trays by Bootstrap Farmer. These are the most durable humidity domes on the market, designed to stand the test of time and made from...
Pepper Seeds - Sweet - Golden Marconi
80-90 Days to maturity (from transplant). Capsicum annuum. Marconi Golden Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, drought tolerant, sweet pepper with no heat. 0 Scoville Heat Units. Suitable for...
Pepper Seeds - Hot - Firecracker
120-140 Days to maturity (from transplant). Capsicum annuum. Firecracker Hot Pepper Seeds. Non-GMO, annual, heirloom, open-pollinated, deer-resistant, heat-tolerant, hot pepper with hot heat levels. 30,000-40,000 Scoville Heat Units. Suitable for...
Lettuce Seeds - Tango
Lactuca sativa (33 days) Tango is a curled baby leaf variety that has a crisp, clean texture and holds up well with numerous salad dressings. Uniform attractive plants form tight...
Pea Seeds - Shelling - Lincoln (Treated)
60-70 Days to maturity. Pisum sativum. Lincoln Pea (Treated) Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to powdery mildew...
Stainless Steel Wide Mouth Jar Rings
These replacement wide-mouth canning jar rings are made from 316 stainless steel. We make them 30% thicker than other stainless rings on the market, for a lifetime of dependable use....
Basil Seeds - Culinary Blend
60-90 Days to maturity. Ocimum basilicum. 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 basil...
Mugwort Seeds
80 Days. Artemisia vulgaris. Open-pollinated. Non-GMO. Annual. Although known mostly as a tenacious garden weed in the midwestern United States, non-GMO heirloom mugwort seeds have been grown and foraged for...
Broccoli Raab Seeds - Sorrento
40 to 50 Days until mautre. Brassica papa afar ruvo. Sorrento Broccoli Raab Seeds. Annual. Heirloom. Non-GMO. Open-pollinated. “Rapini,” is a separate moniker for the flowering Brassica. This is a...
Carnation Seeds - Lillipot Mix F1 Hybrid (Treated)
154-175 days to maturity. Dianthus caryophyllus. Carnation Lillipot Mix Seeds. Non-GMO, Annual, or Biennial. Ornamental. Treated seeds. Lillipot Mix carnation seeds promise a spectacular and fragrant alternative to the traditional...
Mustard Seeds - Summer Fest Komatsuna Hybrid
21 days in summer or 50-60 days in winter to maturity. Brassica rapa var. perviridis. Summer Fest Komatsuna Mustard Seeds. Non-GMO, warm or cold-season, annual, hybrid. This popular traditional Japanese...
Swiss Chard Seeds - Rhubarb
55 days. Rhubarb Swiss Chard leaves are a beautiful variety and excellent in the kitchen as well. Recommended by USU. This plant produces dark reddish-green, heavily crumpled leaves, beautiful crimson...
Coleus Seeds - Black Dragon
84-91 Days to maturity. Plectranthus scutellarioides. Coleus Black Dragon Seeds. Non-GMO, Annual. Black Dragon coleus seeds are a tidy and exotic grow ideal for many hot and humid gardens across...
Tomato Seeds - Slicing - Dutchman
69-85 Days to maturity (from transplant). Solanum lycopersicum. Dutchman Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Carrot Seeds - Scarlet Red
65 Days to maturity. Daucus carota subsp. sativus. Scarlet Red Carrot Seeds. Annual, Non-GMO, Open Pollinated. This deep red carrot grows 6-8" long and has strong green tops. The red...
Cosmos Seeds - Sea Shells
75-90 Days to maturity. Cosmos bipinnatus. Sea Shells Cosmos Seeds. Non-GMO, annual, open-pollinated. This unique cosmos variety has multiple tubular petals that create a unique and captivating shape. Sea Shell...
Salvia Seeds - Sizzler Series
63-66 Days to maturity. Salvia splendens. Salvia Sizzler Series Seeds. Non-GMO, perennial or annual. Ornamental. Sizzler Series seeds promise exotic, early-blooming, and easy-to-grow salvia plants for especially hot, humid gardens...
Wildflower Seed Shaker - Hummingbird & Butterfly
This lavish selection of 23 annual and perennial wildflower seeds attracts hummingbirds, butterflies, honeybees, bumblebees, ladybugs, and other beneficial pollinators while providing seasons of enjoyment. Lovingly packaged in a hand-illustrated,...
Squash Seeds - Winter - Cushaw Green Striped
Cushaw Green Striped Squash Seeds. 95 to 105 Days. Winter Squash. Heirloom, Open Pollianted, Non-GMO. Cucurbita argyrosperma. AKA: Green Striped Cushaw Pumpkin, Sweet Potato Pumpkin, Improved Cushaw, Striped Crookneck. A...
Sorghum Seeds - Multicolored Broomcorn
105-119 days to maturity. Sorghum bicolor. Multicolored Broomcorn Seeds. Non-GMO, annual, open-pollinated, ornamental sorghum grain. This crop is suitable for growing in fields, garden plots, and raised beds. Multicolored broomcorn...
Melon Seeds - Piel de Sapo
90-110 Days to maturity. Cucumis melo. Piel de Sapo Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat tolerant, drought tolerant specialty Melon. Suitable for growing in garden plots and raised...
Pepper Seeds - Hot - Thai - Prik Mun
Pepper Seeds - Hot - Thai - Prik Mun. Heirloom, Non-GMO. Capsicum annuum. AKA chilli api, Dragon Pepper, la chiao, la jiao, lombok kecil, miris, murich, ot, siling labuyo, togarashi....
Golden Flax (Organic) - Bulk Grains
Linum Usitatissimum. Golden flax seeds are rich in omega-3s and have a delicious nutty, buttery flavor. Use as ground flax in smoothies, recipes, sprinkle on cereal, as food storage and...
Zinnia Seeds - Cut and Come Again (Organic)
60-70 Days to Maturity. Zinnia elegans. Organic Cut and Come Again Zinnia Flower Seeds. Non-GMO, organic, heirloom, open-pollinated flowers. Annual in zones 3, 4, 5, 6, 7, 8, 9, and...
Cress Seeds - Curled (aka Garden, Pepper)
Non-GMO, Heirloom Curled Cress Herb Garden Seed from True Leaf Market. Lepidium sativum. Cress is native to Persia, which is known as West Asia. Curled Cress is herbaceous also known...
Easy Seeder
The tool every gardener must have! Reduce the endless thinning, Stop wasting seeds. With the Easy Seeder seeds go where you want them. Step 1: Choose the seeder where the...
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