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]()
Carrot Seeds - Rainbow Blend
65-75 days. The Rainbow Blend Carrot is an excellent way to get lots of colors in the garden all at once! This kaleidoscope of carrots is a colorful mixture of...
Squash Seeds - Summer - Early Prolific Straightneck
50-60 days. Early Prolific Straightneck Summer Squash Seeds. Cucurbita pepo. Non-GMO. Open Pollinated. Non-GMO Early Prolific Staightneck Summer Squash is ready to harvest from the vine after 52 days. Early...
Corn Seeds - Sweet - Peaches and Cream Hybrid
80-90 Days to maturity. Zea mays. Peaches and Cream Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Turnip Seeds - Purple Top White Globe
50-60 days. Purple Top White Globe Turnip Seeds. Brassica rapa subsp. rapa. Non-GMO. Open Pollinated. Purple Top White Globe Turnip seeds grow into cool season root vegetables that are hardy...
Watermelon Seeds - Picnic - Crimson Sweet
80-90 Days to maturity. Citrullus lanatus. Crimson Sweet Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Resistant to Anthracnose (1,3), Fusarium Wilt (Race 1,2). Crimson Sweet watermelon...
Cauliflower Seeds - Snowball Y Improved
70-80 days to maturity. Brassica oleracea var. botrytis. Snowball Y Improved Cauliflower Seeds. Non-GMO, heirloom, open-pollinated, annual. This is suitable for growing in garden plots, raised beds, containers, and fields....
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...
Beet Seeds - Detroit Dark Red (Organic)
55 days. Organic Detroit Dark Red beet seeds. Beta vulgaris. Non-GMO. Organic. Since the turn of the century, Organic Detroit Dark Red has been the preferred choice for homegrown classic...
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...
Onion Seeds - Bunching - Evergreen White Nebuka (Organic)
65-120 Days to maturity. Allium fistulosum. Organic Evergreen White Nebuka Onion Seeds. Non-GMO, perennial, organic, open-pollinated, heirloom, cold tolerant, bunching onion. Suitable for growing in greenhouses, garden plots, raised beds,...
Oregano Seeds - Common Italian
Origanum vulgare 90 days. Perennial. Non-GMO, Heirloom Common Italian Oregano Herb Garden Seed from True Leaf Market. Common Italian Oregano is a perennial herb often called "Wild Marjoram." With the...
Melon Seeds - Cantaloupe - Hales Best Jumbo
85-110 Days to maturity. Cucumis melo. Hale's Best Jumbo Cantaloupe Melon Seeds. A non-GMO, annual, heirloom, open-pollinated, heat-tolerant, drought-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Cherry - Sungold Hybrid
57 Days to maturity (from transplant). Solanum lycoperscium. Sungold Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, greenhouses, containers, and...
Dill Seeds - Bouquet (Organic)
Non-GMO, Heirloom Organic Bouquet Dill Herb Garden Seed from True Leaf Market. Anethum graveolens. Organic Bouquet Dill grows fast-maturing cool-season annuals and is native to West Asia and regions in...
Radish Seeds - Cherry Belle
21-28 days. Cherry Belle Radish Seeds. Raphanus sativus. Non-GMO. Heirloom. Visually stunning, uniform, and quick to maturity in about 25 days, Cherry Belle radish is one of the most reliable...
Oregano Seeds - Common Italian (Organic)
90 days. Organic Oregano Culinary Herb Seeds. Origanum vulgare. Perennial. Non-GMO. Organic culinary oregano seeds deliver one of the more pronounced, robust, aromatic herbs in the mint family. Tenacious and...
Watermelon Seeds - Mini - Sugar Baby
75-80 Days to maturity. Citrullus lanatus. Sugar Baby Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, mini watermelon. Suitable for growing in garden plots and large containers (minimum 7...
Tomato Seeds - Salad - Better Boy Plus Hybrid
70 Days to maturity (from transplant). Solanum lycoperscium. Better Boy Tomato Seeds. Non-GMO, annual, hybrid, heat tolerant, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Radish Seeds - Daikon Minowase
Raphanus sativus (45 days) AKA Japanese Minowase Daikon Radish. Daikon is a root vegetable reported to have originated in the Mediterranean and brought to China for cultivation around 500 B.C....
Squash Seeds - Winter - Vegetable Spaghetti
80-100 days. Vegetable Spaghetti Winter Squash Seeds. Cucurbita pepo. Non-GMO. Open Pollinated. Grow your own pasta replacement with Vegetable Spaghetti Winter squash seeds. This spaghetti squash is ready in just...
Lettuce Seeds - Butterhead - Buttercrunch
60-70 days. Buttercrunch Lettuce Seeds. Lactuca sativa. Non-GMO. Open Pollinated. An award-winning and absolutely hardy cultivar of butter head, Buttercrunch is tender, delicious, and looks as good in the garden...
Tomato Seeds - Paste - San Marzano Indeterminate
85 Days to maturity (from transplant). Solanum lycoperscium. San Marzano (Indeterminate) Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, paste tomato. Often compared to the famous Roma tomato in terms of...
Tomato Seeds - Salad - Celebrity Plus Hybrid
72 Days to maturity (from transplant). Solanum lycoperscium. Celebrity Plus Hybrid Tomato Seeds. Non-GMO, annual, hybrid, AAS winner, semi-determinate, salad tomato. Suitable for growing in garden plots, raised beds, and...
Melon Seeds - Cantaloupe - Hales Best Jumbo (Organic)
85-110 Days to maturity. Cucumis melo. Hale's Best Jumbo Cantaloupe Melon Seeds. A non-GMO, annual, heirloom, open-pollinated, organic, heat-tolerant, drought-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds,...
Chamomile Seeds - German
Non-GMO, Heirloom German Chamomile Herb Garden Seed from True Leaf Market. Matricaria chamomilla. German Chamomile plants originated in Western Asia and were later cultivated in Europe, where chamomile has been...
Bean Seeds - Bush - Contender
50-65 Days to maturity. Phaseolus vulgaris. Contender Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high yielding, heat tolerant, bush, snap, stringless bean. Suitable for growing in containers, garden plots, raised...
Radish Seeds - Champion
Non-GMO, Heirloom, champion radish seeds. 25 days. AAS Winner. Recommended by USU. Deep scarlet, globe-shaped root is very firm and stands well without becoming pithy. Fresh, spicy-sweet flavor, Champion radishes...
Beet Seeds - Golden Detroit
55-60 days. Golden Detroit beet seeds. Beta vulgaris. Annual. Non-GMO. The Golden Detroit is an easy to grow beet that can be harvested as early as fifty days after planting,...
Chives Seeds - Garlic
85-90 Days to maturity. Allium tuberosum. Non-GMO, heirloom Garlic Chives Herb Garden Seed. Chives are native to regions in Asia and Europe. Garlic chive cultivars are also called "Chinese Chives"...
Tomato Seeds - Paste - Roma (Organic)
76 Days to maturity (from transplant). Solanum lycoperscium. Roma (Organic) Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, determinate, paste tomato. Suitable for growing in garden plots, raised beds,...
Onion Seeds - Long - Walla Walla
90-110 Days to maturity. Allium cepa. Walla Walla Onion Seeds. Non-GMO, annual, open-pollinated, heirloom, cold tolerant, bulbing, long-day onion. Suitable for growing in greenhouses, garden plots, and raised beds. Walla...
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