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]()
African Marigold Seeds - Discovery Series
77-84 Days to maturity. Tagetes erecta. Discovery Series African Marigold Seeds. Non-GMO, annual, hybrid. Discovery Series African marigold seeds are an adorable, compact, and vibrant addition to grow in any...
Phytosanitary Certificate - Federal - Phyto
This phytosanitary certificate, issued by the US Department of Agriculture, is required when shipping certain species of seed to certain countries (international), along with other paperwork which varies by country....
Canna Seeds - Tropical Series
98-112 Days to maturity. Canna x generalis. Tropical Series Canna Seeds. Non-GMO, annual or tender perennial. Tropical Series seeds promise exotic, early-blooming, and easy-to-grow canna plants for especially hot, humid...
Calendula Seeds - Fancy Mix
50-70 Days to maturity. Calendula officinalis. Fancy Mix Calendula Seeds. Non-GMO, open-pollinated, annual, ornamental herb and flower. Fancy Mix Calendulas are hardy, tolerant of cool temperatures, and produce some strikingly...
Cucumber Seeds - Burpless Bush Slicer F1
Non-GMO Burpless Bush F1 Hybrid Cucumber Seeds from True Leaf Market grow into compact bushy plants that are well-suited to container and small gardens. The burpless 10" x 1-1/2" fruit...
Columbine Seeds - Colorado Blue
2nd-year maturity. Aquilegia coerulea. Columbine Colorado Blue Seeds. Non-GMO, Perennial. Open Pollinated. Ornamental. Colorado Blue columbine seeds grow a spectacular favorite that promises an authentic slice of the Rocky Mountains...
Beet Seeds - Red Ace Hybrid
50 days. The Red Ace beet is a variety that is highly adaptable and that can grow in cooler temperatures. The Red Ace matures a week before many other beets,...
Tomato Seeds - Cherry - Gum Drop Black Hybrid
75 Days to maturity (from transplant). Solanum lycoperscium. Gum Drop Black Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and...
Basil Seeds - Mammoth
60-90 Days to maturity. Ocimum basilicum. Mammoth Basil Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Mammoth basil is a...
Zinnia Seeds - Dreamland Mixture (Coated)
54-70 Days to maturity. Zinnia elegans. Dreamland Mixture Zinnia Seeds. Non-GMO, organic, annual. Dreamland Mix Zinnia Flower seeds are the fastest way to splash some excitement into your garden. Dreamland...
Tomato Seeds - Slicing - Bonny Best
70-75 Days to maturity (from transplant). Solanum lycopersicum. Bonny Best Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. This...
Okra Seeds - Jing Orange
Jing Orange Okra Seeds. 30 to 60 days to maturity. Abelmoschus esculentus. Heirloom, Annual. Jing Orange is an Asian okra, known for it is stunning red-orange color. Approximately 500 seeds/ounce....
Self-Watering Growing Trays (Small)
Self-watering microgreen grow trays for growing small quantities of microgreens on any countertop or windowsill, without the worry of constant water-supply monitoring. Self-Watering Growing Trays (Small) Each tray combo consists...
Onion - Long - Southport White Globe 404
70-110 Days to maturity. Allium cepa. Southport White Globe Onion Seeds. Non-GMO, annual, open-pollinated, heirloom, cold tolerant, bulbing, long-day onion. Suitable for growing in greenhouses, garden plots, and raised beds....
Bean Seeds - Bush - Fordhook 242 Lima
72 Days to maturity. Phaseolus lunatus. Fordhook 242 Bush Lima Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, AAS winner, high-yielding, heat-tolerant, drought-tolerant, bush, shell, lima bean. Suitable for growing in containers,...
Melon Seeds - Korean - Dae Jang Geum Hybrid
65 Days to maturity. Cucumis melo var. makuwa. Dae Jang Geum Korean Hybrid Melon Seeds. A non-GMO, annual, hybrid, heat tolerant, drought tolerant, Asian Melon. Suitable for growing in garden...
Melon Seeds - Casaba - Golden Beauty
110 Days to maturity. Cucumis melo. Golden Beauty Casaba Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant, Casaba Melon. Suitable for growing in garden plots and raised beds. Golden Beauty...
Bean Seeds - Bush - Topcrop
50-65 Days to maturity. Phaseolus vulgaris. Topcrop Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, AAS winner, high-yielding, bush, snap, green bean. Suitable for growing in containers, garden plots, raised beds,...
Cosmos Seeds - Sonata Mix
49-63 Days to maturity. Cosmos bipinnatus. Sonata Mix Cosmos Seeds. Non-GMO, annual, Heirloom, Open Pollinated. Sonata Mix cosmos seeds grow an effortless and full sun performer perfect for just about...
Herb Mix for Bees
30-90 Days to Harvest. Herb Mix For Bees Seeds. Non-GMO mix of annual and perennial herbs. This combination of seeds has been paired together for their ability to attract bees,...
Endive Seeds - Frisee
Frisee endive grows best in cool conditions. The plant grows 8-12" tall and produces delicate frilly leaves of a yellow-green color. They have a slightly bitter but mild taste that...
Pumpkin Seeds - Galeaux d'Eysines
100 days. Cucurbita maxima. Galeaux d'Eysines Pumpkin Seeds. Non-GMO, annual, heirloom, open-pollinated winter squash. This crop is suitable for garden plots, raised beds, and pumpkin patches. At first glance, this...
Flowering Cabbage Seeds - Osaka Series
91-98 Days to maturity. Brassica oleracea var. capitata. Osaka Flowering Cabbage Seeds. Non-GMO, cool weather annual. Osaka Series Osaka Flowering cabbage seeds grow a classic and elegant swirl of color...
Tobacco Seeds - Florida Sumatra
~55 Days from transplant to maturity. Nicotiana tabacum. Florida Sumatra Tobacco Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to...
Boost MaxPro Grow Lights
Boost MaxPro Full spectrum grow lights for seed starting, houseplants, microgreens, wheatgrass, and more. This is the easiest system available on the market. The modular design allows you to use...
Cucumber Seeds - Bush Crop
55 days. Bush Crop is an excellent variety for small gardens. This plant produces 6 to 8 inch, slightly tapered fruits on a dwarf vine. A very productive plant, Bush...
Bean Seeds - Bush - Tenderette Green
50-65 Days to maturity. Phaseolus vulgaris. Tenderette Green Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom snap bush bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses. The...
Watermelon Seeds - Picnic - Dixie Queen
80 Days to maturity. Citrullus lanatus. Dixie Queen Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. The Dixie Queen watermelon is popular in the southern United States....
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