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]()
Geranium Seeds - Maverick Series
91-105 days maturity. Pelargonium x hortorum . Geranium Maverick Series Seeds. Non-GMO, Annual. Ornamental. Maverick Series geranium seeds are an adorable, compact, and vibrant addition to grow in any home...
Petunia Seeds - Supercascade Series (pelleted)
98-105 Days to maturity. Petunia x hybrida Supercascade Series Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Supercascade Series seeds will delight your garden with the largest and most robust...
Petunia Seeds - Easy Wave Series (pelleted)
98-105 Days to maturity. Petunia x hybrida. Easy Wave Series Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Easy Wave Series petunia seeds grow one of summer's most famous and...
Chives Seeds (Organic)
60 days. Organic Chives Culinary Herb Seeds. Allium schoenoprasum. Perennial. Non-GMO. A member of the onion family along with garlic and leeks, Organic chives are a smaller, more tubular relative...
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...
Geranium Seeds - Pinto Premium Series
91-105 days maturity. Pelargonium x hortorum . Geranium Pinto Premium Series Seeds. Non-GMO, Annual. Ornamental. Pinto Premium Series geranium seeds promise some of the most classic yet eye-catching blooms available...
Petunia Seeds - Dreams Series (pelleted)
98-105 Days to maturity. Petunia x hybrida. Dream Series Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Dreams Series petunia seeds are an essential and timeless flower in your garden,...
Lettuce Seeds - Leaf - Lollo Rosso (Organic)
55-60 days. Lactuca sativa. Organic Lollo Rosso Lettuce seeds grow as cool-season crops and fast-maturing annuals. Lollo Rosso Italian Lettuce can be harvested as a "cut and come back again"...
Petunia Seeds - Madness Series (pelleted)
98-105 Days to maturity. Petunia x hybrida. Pelleted Madness Series Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Madness Series petunia seeds are an easy way to splash some early-blooming...
Chives Seeds
Non-GMO, Heirloom Chives Herb Garden Seed from True Leaf Market. Allium schoenoprasum. Chives are native to regions in Asia and Europe. This Chive cultivar is common in the U.S. and...
Petunia Seeds - Daddy Series (Pelleted)
98-105 days. Daddy Series petunia seeds grow an adorable, compact, and vibrant addition to any home, office, or garden. Daddy Series petunias are durable and easy to grow from seed,...
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...
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....
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...
Lemon Mint Seeds
Monarda citriodora Annual. Non-GMO, Heirloom Lemon Mint Herb Garden Seed from True Leaf Market. Monarda citriodora. Lemon Mint resides in the mint family as a warm perennial. Lemon Mint develops...
Impatiens Seeds - Accent Series
70-77 Days to maturity. Impatiens walleriana. Accent Series Impatiens Seeds. Non-GMO, hybrid, annual. Premium Quality Seeds. Accent Series seeds deliver the country's most popularly grown and undisputed summertime bloom. Impatiens...
Strawberry Seeds - Berries Galore Hybrid Pink
Package of 100 seeds. 75 days. Everbearing runner variety. In full sun, medium-large fruit saturated with sweetness and nutritious goodness; a fast grower; can be harvested every 3 to 4...
Gazania Seeds - New Day Series
84-91 Days to maturity. Gazania splendens. Gazania New Day Series Seeds. Non-GMO, Annual. New Day Series gazania seeds grow some of the most recognizable summertime blooms both indoors and out!...
Petunia Seeds - Double Cascade Series (Pelleted)
98-105 Days to maturity. Petunia x hybrida. Pelleted Double Cascade Series Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Growing Double Cascade Series seeds promise to excite your garden with...
Zinnia Seeds - Zahara Series (Coated)
50-60 Days to maturity. Zinnia elegans. Zahara Series Zinnia Seeds. Non-GMO, annual. Zahara Series Zinnia flower seeds are brilliant, easy to grow, and renowned for their hardiness and ability to...
Snapdragon Seeds - Liberty Classic Series Mix
84-98 Days to maturity. Antirrhinum majus. Liberty Classic Series Mix Snapdragon Seeds. Non-GMO, Premium Quality Seeds, hybrid, annual. Growing Liberty Classic Series Mix snapdragon seeds this season is a timeless,...
Radish Seeds - French Breakfast
Heirloom and Non- GMO French Breakfast Radish is ready in 24 days. These radishes have blunt and oblong shape which are mostly red with some white at the tip. The...
Vinca Seeds - Pacifica XP Series
98-105 Days to maturity. Catharanthus roseus. Pacifica XP Series Vinca Seeds. Non-GMO, open-pollinated, annual. Premium Quality Seeds. Pacifica XP seeds easily grow into convenient, tidy, and low-maintenance vincas bursting with...
Hollyhock Seeds - Summer Carnival Mix
112-119 days to maturity. Alcea rosea. Hollyhock Summer Carnival Mixture Seeds. Non-GMO, Annual or Biennial. Summer Carnival Mix hollyhock seeds promise to turn any stale flower bed into a sensational...
Petunia Seeds - Double Madness Series (pelleted)
98-105 Days to maturity. Petunia x hybrida. Pelleted Double Madness Series Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Double Madness Series seeds grow a hardy and spectacular alternative to...
Begonia Seeds - Fibrous - Cocktail Series (Pelleted)
105-112 Days to maturity. Begonia x semperflorens. Cocktail Series Fibrous Begonia Seeds. Non-GMO, hybrid, annual flower. Cocktail Series seeds easily grow classic and tidy begonias bursting with timeless - inch...
Zinnia Seeds - Profusion Series (Coated)
54-70 Days to maturity. Zinnia elegans x angustifolia. Profusion Series Zinnia Seeds. Non-GMO, organic, annual. Profusion Series Zinnia flower seeds promise to turn your tired summer bedding into an award-winning...
Swiss Chard Seeds - Rainbow Mixture
60 days. The Rainbow Mixture Swiss Chard seed mix is a blend of different colored swiss chard varieties. The chard can grow in zones 6 and up, and the leaves...
Swiss Chard Seeds - Rainbow Mixture (Organic)
60 days. Organic Rainbow Mixture Swiss Chard seeds. Beta vulgaris var. cicla. Non-GMO. Organic Rainbow mixture swiss chard seed is the perfect variety mix for the home gardener who wants...
Chives - Microgreens Seeds
Micro chives have an onion taste that can add color and flavor to any micro salad. They look like tiny scallions. Use in place of onions on a sandwich. Slow...
Thyme Seeds - Creeping Thyme
2nd Year maturity. Thymus serpyllum. Creeping Thyme Seeds. Non-GMO, Perennial. Creeping Thyme, also known as "Mother-of-Thyme" is a cold hardy perennial often planted as a trailing ground cover, garden filler,...
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