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]()
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...
Pepper Seeds - Sweet - Golden Cal Wonder
72 Days to maturity (from transplant). Capsicum annuum. Golden Cal Wonder Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, drought tolerant, sweet-type, with no heat levels. 0 Scoville Heat Units. Suitable...
Pepper Seeds - Sweet - Sweet Banana
70 Days to maturity (from transplant). Capsicum annuum. Sweet Banana Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, sweet pepper with mild heat levels. Drought tolerant, heat tolerant. 0 to 500 Scoville...
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...
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,...
Sunflower Seeds - Mammoth Grey Stripe
90-110 Days to maturity. Helianthus annuus. Mammoth Grey Stripe Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. Mammoth sunflower seeds grow one of the tallest, brightest, and most breathtaking flowers in...
Calendula Seeds - Pacific Beauty Mixture
98-105 Days to maturity. Calendula officinalis. Pacific Beauty Mixture Calendula Seeds. Non-GMO, Open-pollinated. Annual. Pacific Beauty Mix calendula seeds are a tidy and vibrant addition to grow in any home...
Begonia Seeds - Tuberous - Nonstop Series (Pelleted)
119-133 Days to maturity. Begonia x tuberhybrida. Nonstop Series Tuberous Begonia Seeds. Non-GMO, hybrid, perennial, pelleted. Nonstop Series pelleted seeds promise exotic, easygoing 2-3-inch, mostly double blooms for hot, humid...
Dill Seeds - Bouquet
65 Days to maturity. Anethum graveolens. Bouquet Dill Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, and raised beds. 3-foot plant with strongly aromatic foliage,...
Viola Seeds - Sorbet Series
91-98 Days to maturity. Viola cornuta. Sorbet Series Viola Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, perennial. Sorbet Series seeds grow year-round violas in your home or garden when others might...
Tomatillo Seeds - Grande Rio Verde
80 days. (Husk Tomato) Large fruited tomatillo with sweet green fruits measuring 2 to 3 inches across (1.8 - 2.8 ounces), enclosed in a papery husk. Vigorous prostrate vine. Used...
Dill - Bouquet - Microgreens Seeds
12-15 days. Bouquet dill as a microgreen will bring a bright zest to your soup, fish or seafood dish! It's willowy appearance and pleasant aroma will add flair to bring...
Chamomile Seeds - German (Organic)
60+ Days to maturity. Matricaria chamomilla. Organic German Chamomile Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. German Chamomile makes...
Chamomile Seeds - Roman
Non-GMO, Heirloom Roman Chamomile Herb Garden Seed from True Leaf Market. Chamaemelum Nobile. Roman Chamomile plants originated from North Africa and were later cultivated in Europe"as chamomile has an ancient...
Celery Seeds - Golden Self Blanching
Non-GMO Golden Self-Blanching Celery Seeds from True Leaf Market are a stocky, resistant heirloom celery variety. The open-pollinated, upright celery produces thick, string-free stalks that are crisp and rich. As...
Sunflower Seeds - Dwarf Sunspot
65-80 Days to maturity. Helianthus annuus. Dwarf Sunspot Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. Heirloom. Dwarf Sunspot sunflower seeds grow the ideal compact alternative to summer's tallest and most...
Zinnia Seeds - Pumila Pompon
50-70 Days to maturity. Zinnia elegans. Pumila Pompon Zinnia Seeds. Non-GMO, organic, annual. This is a great old-fashioned variety that has fully to semi-double flowers. These warm and cheerful flowers...
Pepper Seeds - Sweet - Pepperoncini Italian
65-75 Days to maturity (from transplant). Capsicum annuum. Pepperoncini Italian Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, drought tolerant, sweet pepper with mild heat levels. 100 to 500 Scoville Heat...
Soybean - Yellow (Organic) - Sprouting Seeds
2-5 Days to Harvest. Glycine max L. Merr.. Organic Yellow Soybean Sprouting Seeds. Organic. Non-GMO. Sprouting. High Germination. Non-GMO Organic yellow soybean seeds sprout one of the healthiest, tastiest, and...
Statice Seeds - QIS Series
91-105 Days to maturity. Limonium sinuatum. Statice QIS Series Seeds. Non-GMO, Annual. QIS Series statice is easy to grow from seed and a favorite for fresh-cut arrangements, baskets, and bouquets....
French Marigold Seeds - Durango Series (Coated)
56-63 Days to maturity. Tagetes patula. Durango Series French Marigold Seeds. Non-GMO, annual, open-pollinated. Durango Series French marigold seeds are an adorable, compact, and vibrant addition to grow in any...
Wildflower Seeds - Bee Mix
50-365 Days to maturity. Bee Friendly Wildflower Seeds Mix. A non-GMO mix of annuals and perennial bee-friendly wildflowers for zones 3-9. The Bee Friendly Wildflower Mix grows some of the...
Pepper Seeds - Sweet - Mini Bell Yellow
60 Days to maturity (from transplant). Capsicum annuum. Mini Bell Yellow Pepper Seeds. Non-GMO, annual, open-pollinated, sweet-type pepper with no heat levels. 0 Scoville Heat Units. Suitable for growing in...
Dahlia Seeds - Figaro Series (Coated)
84-91 Days to maturity. Dahlia pinnata. Dahlia Figaro Series Seeds. Premium, Non-GMO, Annual or Perennial. Figaro Series dahlias are a simple way to grow classic southwestern color in your home,...
French Marigold Seeds - Sparky Mixture
63-77 Days to maturity. Tagetes patula. Sparky Mixture Marigold Seeds. Non-GMO, annual, open-pollinated. Sparky Mixture French marigold seeds offer one of the most vibrant and inexpensive blooms available to the...
Cucumber Seeds - Lemon
65 Days to maturity. Cucumis sativus. Lemon Cucumber Seeds. Non-GMO, annual, open-pollinated, heirloom, monoecious, slicing or pickling cucumber. Suitable for growing in fields, containers (with support), garden plots, raised beds,...
Cucamelon Seeds - Mexican Sour Gherkin
Cucamelon Seeds. Melothria scabra. 65 Days to maturity. Annual. Non-GMO, Heirloom, Open Pollinated. AKA: Mexican Mouse Melon, Sandia de Raton, Mexican Sour Gherkin, Mexican Miniature Watermelon, Mexican Sour Cucumber. Looking...
African Marigold Seeds - Cracker Jack
77-84 Days to maturity. Tagetes erecta. Cracker Jack African Marigold Seeds. Non-GMO, annual, open-pollinated. Crackerjack seeds grow a vibrant golden orange and yellow mix of the famous African Marigold that...
Feverfew Seeds
Perennial. Feverfew is actually a relative of the chrysanthemum. It has been used as a medicinal herb throughout history as a way to treat aches and pains in the head...
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