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]()
Lettuce Seeds - Butterhead - Buttercrunch (Organic)
AAS Winner. 65 days. Recommended by Utah State University, Organic Buttercrunch is the most popular of the butterhead varieties. Approx. 16,000 seeds/oz. These non-GMO Buttercrunch seeds grow into vibrant, green...
Watermelon Seeds - Picnic - Crimson Sweet (Organic)
80-90 Days to maturity. Citrullus lanatus. Crimson Sweet Organic Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Resistant to Anthracnose (1,3), Fusarium Wilt (Race 1,2). Organic...
Radish Seeds - Cherry Belle (Organic)
Organic Cherry Belle is a Non- Gmo heirloom variety ready in 23 days. All-American Selection (AAS) winning radish variety that produces bright red globe-shaped fruit. The flesh or cherry belle...
Squash Seeds - Winter - Waltham Butternut (Organic)
110 days to maturity. Cucurbita moschata. Organic Waltham Butternut Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated, AAS winner. Suitable for growing in fields, garden plots, raised beds, and containers. The...
Cucumber Seeds - Straight Eight (Organic)
55-65 Days to maturity. Cucumis sativus. Organic Straight Eight Cucumber Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, 1935 AAS-winning, slicing cucumber. Suitable for growing in fields, containers (with support), garden plots,...
Squash Seeds - Summer - Fordhook Zucchini (Organic)
50 to 60 days to maturity. Cucurbita pepo. Organic Fordhook Zucchini Summer Squash Seeds. Non-GMO, annual, heirloom, open-pollinated, organic. This is suitable for fields, garden plots, raised beds, and containers....
Beet Seeds - Ruby Queen (Organic)
50-55 Days to maturity. Beta vulgaris. Organic Ruby Queen Beet Seeds. Non-GMO, cool weather annual, organic, heirloom, open-pollinated, AAS winner 1957. This delicious multi-use beet can be used for the...
Pea Seeds - Shelling - Patio Pride AAS (Organic)
40–50 Days to maturity. Pisum sativum. Patio Pride Pea Seeds (Organic), AAS Winner. Non-GMO, annual, open-pollinated. Suitable for growing in containers, raised beds, and small garden spaces. This compact, early-maturing...
Squash Seeds - Winter - Delicata - Organic
(100 days) Introduced in 1890s. Delicious, creamy sweet potato like taste. Delicata has a fine grained, light orange flesh steamed or baked. Organic Delicata Squash Seeds Delicata has a very...
Pea Seeds - Snap - Sugar Snap (Organic)
66 Days to maturity. Pisum sativum var. macrocarpon. Organic Sugar Snap Pea Seeds. Non-GMO, annual, organic, open-pollinated, AAS winner, snap peas. Suitable for growing in containers, garden plots, raised beds,...
Lettuce Seeds, Leaf - Sandy AAS - Organic
Organic Sandy Leaf Lettuce Seeds. 45 - 50 days to maturity. 30 days to maturity for baby leaves. 2015 AAS National Winner. Lactuca sativa. Heirloom, Non-GMO, Annual. Sandy is an...
Squash Seeds - Winter - Gold Nugget - Organic
Organic Gold Nugget Winter Squash Seeds. 75 - 95 days to maturity. Can be grown in containers. Cucurbita maxima. Heirloom, Non-GMO, Annual. Early compact runnerless plant with a Buttercup shape....
Squash Seeds - Winter - Fordhook Acorn (Organic)
80-120 Days to maturity. Cucurbita pepo. Fordhook Acorn (Organic) Winter Squash Seeds. Non-GMO, annual, organic, open-pollinated heirloom. Suitable for growing in fields, garden plots, raised beds, and greenhouses. Resistant to...
Cosmos Seeds - Sensation Mix (Organic)
49-63 Days to maturity. Cosmos bipinnatus. Organic Sensation Mix Cosmos Seeds. Non-GMO, open-pollinated, heirloom, AAS winner 1936, annual in zones 2, 3, 4, 5, 6, 7, 8, 9, 10, and...
Melon Seeds - Cantaloupe - Honey Rock (Organic)
80 Days to maturity. Cucumis melo. Organic Honey Rock Cantaloupe Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, AAS winner, heat-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots,...
Squash Seeds - Table King Bush Acorn (Organic)
80 days to maturity. Cucurbita pepo. Organic Table King Bush Acorn Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated, AAS winner 1974. Suitable for growing in fields, garden plots, raised beds,...
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