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]()
Pak Choi Seeds - Little Shanghai - Hybrid
Cabbage Seeds - Pak Choi - Little Shanghai - Hybrid. Non-GMO. Annual. Brassica rapa Chinensis group. 30-40 days. Cool-warm season. Excellent Shanghai baby pak choi with good uniformity. Plants grow...
Agastache Seeds - Arizona Sun
77-84 Days to maturity. Agastache x hybrida’Arizona Sun’. Arizona Sun Agastache Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, Perennial. Open Pollinated. Arizona Sun Agastache is a rare fragrant and showy, yet...
Pak Choi Seeds - QD-2 Express - Hybrid
50 days to Maturity, 30-35 days as baby Pak Choy. Brassica pekinensis. QD-2 Express Pak Choi Seeds. Annual, Hybrid. Open Pollinated. This tender and sweet variety of pak choi can...
Chrysanthemum Seeds - Broad Leaf, Edible
This Chrysanthemum (also called garland daisy) can be grow to a maturity with yellow and white blooms, but also popular as edible greens. Chrysanthemum coronarium. Non-GMO, Annual. A popular Green...
Pak Choi Seeds - Red Choi - Hybrid
45 Days to full maturity. 20-30 Days for baby leaf. 10-15 Days for microgreens. Brassica rapa Chinensis group. Red Choi Pak Choi Seeds. Annual, Hybrid. Cool Season. This special hybrid...
Mustard Seeds - Small Gai Choi
35 to 45 Days to maturity. Brassica juncea var. capitata. Small Gai Choi Mustard Seeds. Heirloom. Cool season annual. This heirloom Chinese mustard green is very vigorous and productive. It...
Gourd Seeds - Dok - Hybrid
80-90 days to maturity. Luffa cylindrica ’Dok’. Dok Gourd Seeds. Non-GMO warm-season annual hybrid. This beautiful plant produces early maturing, vigorous fruits. It is high yielding, has lateral branches, and...
Kohlrabi Seeds - Winner Hybrid
Winner Kohlrabi Seeds. F1 Hybrid. Non-GMO, Annual. 45 to 55 days to full maturity. Brassica oleracea var. gongylodes. This medium-early maturing white kohlrabi hybrid is a winner. Large plants grow...
Watermelon Seeds - Picnic - Shiny Boy Hybrid (treated)
90 Days to maturity. Citrullus lanatus. Treated Shiny Boy Hybrid Watermelon Seeds. Non-GMO, annual, hybrid, heat-tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. 2010 Vegetable AAS Winner. Known...
Pak Choi Seeds - Taisai
50 Days to maturity. Brassica rapa Chinensis group. Taisai Pak Choi (Bok Choy) Seeds. Cool-Warm Season Annual Heirloom. The leaves of this popular and vigorous pak choi or choy sum...
Mustard Seeds - Mizuna - Lime Streaks
45 Days. Brassica rapa var. japonica. Non-GMO. Annual. Heirloom. Wonderfully serrated and ornamental heirloom baby-leaf mustard greens, Lime Streaks mizuna garden seeds grow a tangy and popular green for many...
Bean Seeds - Pole - Dark Green Yard Long
70 Days to maturity. Vigna unguiculata subsp. sesquipedalis. Dark Green Yard Long Bean Seeds. Non-GMO, annual, heat-tolerant, open-pollinated, heirloom, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden...
Onion Seeds - Bunching - Heshiko (Treated)
60-80 Days to maturity. Allium fistulosum. Heshiko Treated Onion Seeds (Thiram fungicide). Non-GMO, perennial, open-pollinated, heirloom, cold tolerant, drought tolerant, bunching onion. Suitable for growing in greenhouses, garden plots, raised...
Onion Seeds - Bunching - Heshiko
60-80 Days to maturity. Allium fistulosum. Heshiko Onion Seeds. Non-GMO, perennial, open-pollinated, heirloom, cold tolerant, drought tolerant, bunching onion. Suitable for growing in greenhouses, garden plots, raised beds, and containers....
French Lentils (Organic) - Bulk Grains & Foods
French lentils, also known as lentilles vertes, are a variety of green lentils known for their ability to maintain their excellent consistency and flavor after cooking, particularly in soups and...
Radish Seeds - Red Daikon (Ostergruss Rosa)
30-45 days. Non-GMO, Heirloom. Red Daikon Radish Seeds (Ostergruss Rosa). Raphanus sativus. A tapered red radish measuring from 5 to 8 inches long. Bright white to pale rose, crisp flesh....
Mustard Seeds - Red Tatsoi
40 days. Brassica Rapa, Narinosa Group. Non-GMO Red Tatsoi makes a lovely microgreen as well as a terrific full size cool season Asian green. As a microgreen, the cotyledons open...
Eggplant Seeds - Kurume Long
60 days maturity after transplanting. Solanum melongena ’Kurume Long’. Kurume Long Eggplant Seeds. Non-GMO, warm-season, annual, hybrid. This popular open-pollinated Japanese variety has excellent fruit quality. Shiny, black fruits have...
Gourd Seeds - Calabash Long
About 100 days to maturity.Lagenaria siceraria. Calabash Long Gourd Seeds. Heirloom, Annual, Non-GMO. This calabash gourd variety produces a long bat-shaped gourd. It's an edible and delicious fruit when harvested...
Spinach Seeds - Dash - Hybrid
Spinach Seeds - Dash -Hybrid. Non-GMO. Spinacea oleracea. 60 days. Cool season annual. Extra-early spinach hybrid that suitable for growing under low temperatures, especially during winter in warm areas. Cold...
Turnip Seeds - Kanamachi
Turnip Seeds - Kanamachi. Heirloom, Non-GMO. Brassica rapa subsp. rapa. 25-45 days depending on type of maturity. Cool season annual. One of Japan's best open pollinated Japanese turnip that has...
Mustard Seeds - Da Ping Pu
65 to 75 Days to maturity. Brassica juncea. Da Ping Pu Mustard Seed. Non-GMO, open-pollinated heirloom. This is a delicious wide-leafed bunching mustard. It's grown extensively in Asia and has...
Cucumber Seeds - Palace King - Hybrid
55-60 Days to maturity. Cucumis sativus ‘Palace King’. Palace King Cucumber Seeds. Warm-season annual hybrid. Non-GMO. This easy-to-grow, early maturing, sooyow type variety is burpless, very crisp, and has a...
Bean Seeds - Pole - Kurosanjaku Yard Long
70-90 Days to maturity. Vigna unguiculata subsp. sesquipedalis. Kurosanjaku Yard Long Bean Seeds. Non-GMO, annual, open-pollinated, heat-tolerant, heirloom, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden plots,...
Coffee Seeds - Coffea Arabica Nana
About 3-4 years to harvest. Coffea arabica 'Nana'. Nana Arabian Coffee Seeds. Non-GMO, perennial, open-pollinated, tropical, dwarf coffee tree. Nana Arabian Coffee tree seeds grow dwarf coffee plants that will...
Burdock Seeds - Ha Gobo
65-75 days to maturity.Arctium lappa. Ha Gobo Burdock Seeds. Non-GMO, Heirloom, Cool-season Annual. Open-pollinated. Burdock has been grown for centuries, mainly in China and Japan, for its culinary and medicinal...
Yu Choy Sum Seeds - Late Green
Yu Choy Sum Seeds - Late Green. Heirloom, Non-GMO. Brassica rapa var parachinesis. 45-55 days. Warm season annual. Flowering Brassica is a fast growing green that can be harvested as...
Gourd Seeds - Nam Tao Klom - Hybrid
60-65 Days to Maturity (after transplanting). Lagenaria siceraria ’Nam Tao Klom’. Nam Tao Klom Improved Gourd Seeds. Non-GMO, warm-season, perennial, F1 hybrid. This vigorous climbing hybrid produces round-shaped fruit with...
Bean Seeds - Bush - Tankuro Edamame Soybean
85 Days to maturity. Glycine max. Tankuro Soybean Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, bush, shell, soybean, Asian bean. Suitable for growing in containers, garden plots, raised beds, and...
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