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]()
Collards - Vates - Microgreens Seeds
10 to 12 days. A tasty brassica microgreen! Resealable pouch of Vates Collard Greens seed for growing microgreens. A brassica that grows well hydroponically. Select a Different Use for This...
Radish Seeds - Korean - Bora King - Hybrid
60 days to maturity. Raphanus sativus. Bora King Hybrid Korean Radish Seeds. Cool season annual. Bora King radishes live up to their royal name by being a gorgeous purple all...
Lettuce Seeds - Leaf - Green Ice
Green Ice leaf lettuce is glossy with fingered dark green leaves. Leaves are loose and wrinkled with frilled edges. This lettuce is deliciously crispy even when grown in the heat...
Pepper Seeds - Hot - Korean - Gochujang King -...
90-100 Days to maturity (from transplant). Capsicum annuum. Gochujang King Pepper Seeds. Non-GMO, annual, hybrid, hot-type pepper with mild heat levels. 500 to 1,500 Scoville Heat Units. Suitable for growing...
Fenugreek Seeds - Microgreens
Fenugreek seeds. 30 Days. Annual, Open Pollinated. Trigonella foenum-graecum. Fenugreek can be used grown as a mature herb or microgreen. Fenugreek seeds are popularly used in spice mixes and teas....
Tomato Seeds - Slicing - Homestead
80 Days to maturity (from transplant). Solanum lycopersicum. Homestead Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, heat tolerant, humidity tolerant, drought tolerant, semi-determinate, slicing tomato. Suitable for growing in...
Tomato Seeds - Slicing - Watermelon Beefsteak (Organic)
75 Days to maturity (from transplant). Solanum lycopersicum. Organic Watermelon Beefsteak Tomato Seeds. Non-GMO, warm season annual, organic, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised...
Carrot Seeds - Bambino (Organic)
Bambino. Carrot. Daucus carota. 54-63 days. Organic. Non-GMO. Annual. Organic Bambino carrot is considered a gourmet variety, reaching its peak of flavor at about 4-5 inches long. Bambino earns its...
Aster Seeds - Crego Giant Mixture
91-105 Days to maturity. Callistephus chinensis. Crego Giant Mixture Aster Seeds. Non-GMO, Ornamental, Annual. Open-pollinated flower seeds. Crego Giant Mix Aster flower seeds grow a playful, robust, and familiar looking...
Pansy Seeds - Cool Wave Series
91-98 Days to maturity. Viola x wittrockiana. Cool Wave Series Pansy Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Cool Wave Series seeds grow easily into a trailing/spreading version of the...
Marigold (Signata) Seeds - Gem Series
63-77 days. Gem Series signata seeds promise a stunning and exotic twist to the traditional marigold popularly grown in the United States. Gem Series seeds grow tidy 9-12" dwarfed mounds...
Sunflower Seeds - Mexican
Tithonia rotundifolia Mexican sunflower is a showy, drought tolerant, annual that makes an excellent cut flower. The bright red-orange flowers measure 2-3 inches across, against velvety dark green leaves. Mexican...
Starter Organic Wheatgrass Growing Kit
This Organic starter wheatgrass kit is the perfect introduction to growing your own wheatgrass at home for only pennies per day. The kit includes everything you need to grow up...
Arugula Microgreens Seeds
6-8 Days to maturity. Eruca sativa. Arugula Microgreen Seeds. Arugula microgreens are nutrient-packed and perfect for easy greens grown indoors and year-round. Arugula has a unique and peppery flavor that...
Bells of Ireland Seeds
98-112 days. Bells of Ireland seeds promise exotic, unmistakable, and low-maintenance blooms native to the cool and dry highlands of Turkey, Syria, and Iraq. Bells of Ireland boast 24-36" tall...
Tomato Seeds - Paste - Giant Garden Paste Hybrid
95 Days to maturity (from transplant). Solanum lycoperscium. Giant Garden Paste Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, paste tomato. Giant Garden Paste has a wonderfully sweet and acidic...
Sweet William Seeds - Double Mixture
105-112 days to maturity. Dianthus barbatus. Dianthus Double Mixture Seeds. Non-GMO, Annual, or Biennial. Ornamental. Double Mix Sweet William seeds promise elegant 3-5 inch blooms of crimsons, scarlets, and pinks...
Lettuce Seeds - Summer Bibb (Organic)
(43 days) Lt. John B. Bibb served in the War of 1812, represented Logan County in the Kentucky House of Representatives and the state Senate from 1827 to 1834. Lt....
Melon Seeds - Honeydew - Green Flesh (Organic)
105 Days to maturity. Cucumis melo. Organic Green Flesh Honeydew Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Honeydew Melon. Suitable for growing in containers, garden plots, raised beds, and...
Bean Seeds - Bush - Cannellini (Organic)
75-85 Days to maturity. Phaseolus vulgaris. Organic Cannellini Bean Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, bush shelling bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses. Sometimes...
Pepper Seeds - Hot - Santa Fe Grande
80-89 Days to maturity (from transplant). Capsicum annuum. Santa Fe Grande Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, high yielding, deer resistant, heat tolerant, drought tolerant, hot-type pepper with mild heat...
Pea Seeds - Shelling - Progress No. 9 (Organic)
60-65 Days to maturity. Pisum sativum Organic Progress No. 9 seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Perfectly suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Bred...
Wheat Seeds - Hard White
Hard White Wheat. Grain Seeds. Annual. Non-GMO. High Germination. Triticum aestivum. Like many cereal grains. Harvested in the summer as a 48-60 inch tall wheat crop. Suitable for fall or...
Carrot Seeds - Royal Chantenay
65-70 days. Royal Chantenay Carrot Seeds. Daucus carota subsp. sativus. Non-GMO. Heirloom. From the Chantenay region of France, Chantenay is an old-world favorite grown for denser, stubbier roots. A 19th...
Basil Seeds - Cinnamon
Non-GMO, Open-pollinated, Heirloom Cinnamon Basil Herb Seed from True Leaf Market. Ocimum basilicum. As basil has lots of different varieties, Cinnamon Basil Herb is one of the most popular sweet...
Watermelon Seeds - Picnic - Charleston Grey
87 Days to maturity. Citrullus lanatus. Charleston Grey Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, Picnic watermelon. Resistant to Anthracnose, Fusarium Wilt. Charleston Grey watermelon was introduced...
Seed Assortment: Microgreen Seeds - Soil Selection
A basic assortment of soil based microgreens seeds. Amazing microgreens salads and garnishes. This collection includes two of our all time favorite microgreens, Sunflower and Dun Pea. Also includes chard,...
Tomato Seeds - Paste - Amish Paste (Organic)
75-90 Days to maturity (from transplant). Solanum lycopersicum. Amish Paste (Organic) Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate, paste tomato. Amish Paste tomato plants produce one of the largest...
Onion Seeds - Intermediate - Imai Early Yellow
150 days maturity after transplanting. Allium cepa. Imai Early Yellow Onion Seeds. Non-GMO, cool-season, annual, heirloom. This selection of Senshu Yellow matures 10-15 days earlier than original Imai. A medium-day...
Eggplant Seeds - Florida Market
Florida Market eggplants plants are hardy and resistant to most diseases. They produce 9.5 inch by 6.5 inch fruits that are tear drop shaped. Fruits are dark purple and glossy....
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