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]()
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...
Parsley Seeds - Plain or Single
70-80 Days to maturity. Petroselinum crispum. Plain or Single Parsley Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Plain or Single...
Canna Seeds - Tropical Series
98-112 Days to maturity. Canna x generalis. Tropical Series Canna Seeds. Non-GMO, annual, hybrid flower. Tropical Series seeds promise exotic, early-blooming, and easy-to-grow canna plants for especially hot, humid gardens...
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...
Broccoli Seeds - Chinese Broccoli - Late Jade - Hybrid
60-70 days to maturity. Brassica oleracea var alboglabra ‘Late Jade’. Late Jade Chinese Broccoli Seeds. Non-GMO, Hybrid, Cool-season Annual. Originating in the Mediterranian, Chinese Broccoli was introduced to China in...
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,...
Lettuce Seeds - Tom Thumb - Organic
Lactuca sativa (50 days) Introduced some time in the 1850s. Small, round head with delicate leaves. About the size of a baseball. Perfect for one-person salad. Can be planted close...
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...
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....
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...
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,...
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....
Lobelia Seeds - Regatta Series (MSP)
77-84 Days to maturity. Lobelia erinus. Regatta Series Lobelia Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, annual. Open Pollinated. Regatta Series seeds promise exotic, radiant, and fragrant lobelia mounds that promise...
Cauliflower Seeds - Veronica Romanesco Hybrid
77 days. This "Italian" type produces very symmetrical and spiraled, lime green heads with tightly beaded, pointed domes. Useful raw, cooked, or pickled, with a milder, sweeter flavor than standard...
Eggplant Seeds - Japanese Pickling
Japanese Pickling Eggplant Seeds. 65 days to maturity. Heirloom, Annual. Can be grown in containers. Solanum melongena. These purple slender, slightly curved eggplants, are full of flavors as they are...
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...
Celery Seeds - Nan Ling Cutting
Non-GMO Nan Ling Cutting Celery is an Asian celery variety that has a sweet and delicate flavor. Cutting Celery is the familiar flavor in many Chinese dishes. Known for its...
Corn Seeds - Sweet - Ambrosia Hybrid (treated)
80-90 Days to maturity. Zea mays. Ambrosia Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone regions....
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...
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...
Shiso Seeds - Red (Organic)
80-85 Days to maturity. Perilla frutescens. Red Shiso Herb Seeds. Non-GMO, organic, annual. Shiso is grown as an annual herb with a distinct flavor often described by people as similar...
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,...
Gourds Seeds - Turks Turban
Non-GMO Turks Turban is ready in 100+ days. Brightly colored ornamental squash has large, flattened fruits measuring 8 to 10 inches across. This gourd is striped with scarlet, white, orange,...
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...
Lobelia Seeds - Sapphire
77-84 Days to maturity. Lobelia erinus. Sapphire Lobelia Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, annual. Open Pollinated. Sapphire lobelia seeds grow one of summer's most exciting bedding, trailing, and hanging...
Cucumber Seeds - Japanese Long
The Japanese Long cucumber plant produces productive yields of 18-20 inches long fruits. Cucumbers are dark green and burpless with few seeds. They are best when harvested prematurely at 12...
Broccoli Seeds - Early Purple Sprouting
Brassica oleracea var. italica (59 days) Purple sprouting broccoli is an old English type broccoli. Early Purple Sprouting Broccoli is not only a colorful addition to salads, but it is...
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....
Okra Seeds - Emerald
55-70 days. Emerald Okra Seeds - Non-GMO, Abelmoschus esculentus. These heirloom Emerald okra plants are 5-8 feet tall and produce smooth bright green 7" long pods. They were developed and...
Eggplant Seeds - Rosa Bianca - Organic
Solanum melongena (81 days) This beautiful pink-purple fruit also has white shading. Rosa Bianca eggplant is 4-6" in size. Rarely bitter. Heat lover, but produces well even in Coastal areas....
Turnip Seeds - Hakurei - Hybrid
Turnip Seeds - Hakurei - Hybrid. Non-GMO. Brassica rapa subsp. rapa. 25-45 days depending on type of maturity. Cool season annual. This outstanding Japanese turnip has an excellent sweet and...
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