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]()
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...
Cucumber Seeds - Sweet Success Hybrid
60 days. The Sweet Success Hybrid cucumber is a large variety of cucumber that is sweet and tender. The Sweet Success Hybrid is dark green and smooth, and grows to...
African Marigold Seeds - Taishan Series
77-84 days. Taishan Series is easy to grow from seed and delivers neat and disease-tolerant marigolds ideal for gardens prone to heat, drought, and poor soils. With 20% shorter peduncles...
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,...
Strawberry Seeds - Berries Basket White Hybrid
Berri Basket White Hyrbid strawberries are ready in 85 days. Strawberry variety is well suited for baskets. Hardy to zone 5, the ever-bearing, runnerless, compact and bushy plants bear large,...
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...
Tomato Seeds - Slicing - Bush Early Girl Hybrid
63 Days to maturity (from transplant). Solanum lycoperscium. Bush Early Girl Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, determinate, heat tolerant, slicing tomato. Suitable for growing in containers, garden plots,...
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...
Corn Seeds - Sweet - Kandy Korn Hybrid
80-90 Days to maturity. Zea mays. Kandy Korn Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone...
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...
Tomato Seeds - Slicing - Beefmaster Hybrid
80 Days to maturity (from transplant). Solanum lycopersicum. Beefmaster Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, greenhouses. Resistant to...
Tomato Seeds - Slicing - Lemon Boy Hybrid
75-80 Days to maturity (from transplant). Solanum lycopersicum. Lemon Boy Hybrid Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Petunia Seeds - Wave Series (pelleted)
98-105 Days to maturity. Petunia x hybrida. Wave Series Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Growing Wave Series seeds this season promises to reinvigorate any stale flower bed,...
Snapdragon Seeds - Rocket Series
115-121 Days to maturity. Antirrhinum majus. Rocket Series Snapdragon Seeds. Non-GMO, Premium Quality Seeds, hybrid, annual. Rocket Series snapdragon seeds promise vibrant, dense, and award-winning blooms ideal for the garden,...
Pansy Seeds - Delta Premium Series
91-98 Days to maturity. Viola × wittrockiana. Delta Premium Series Pansy Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Delta Premium Series pansy seeds are an easy-to-grow summertime classic to add...
African Marigold Seeds - Inca II Series
77-84 Days to maturity. Tagetes erecta. Inca II Series African Marigold Seeds. Non-GMO, annual, hybrid. Inca II Series African marigold seeds invite timeless AAS award-winning color for your home, patio,...
Petunia Seeds - Hulahoop Series (pelleted)
98-105 Days to maturity. Petunia x hybrida. Pelleted Hulahoop Series Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Pelleted seeds. Hulahoop Series seeds grow a dazzling, fun, and unique variation...
Verbena Seeds - Quartz XP Series
84-91 Days to maturity. Verbena x hybrida. Verbena Quartz XP Series Seeds. Non-GMO, Perennial. Verbena Quartz XP Series seeds are a classic and award-winning addition to any home or garden...
Watermelon Seeds - Mini - Baby Doll Hybrid
70-75 Days to maturity. Citrullus lanatus. Baby Doll F1 hybrid Watermelon Seeds. Non-GMO, annual, hybrid, heat tolerant, seeded, mini watermelon. These warm season watermelons win the race as their oval-shaped...
Snapdragon Seeds - Floral Showers Series
115-121 Days to maturity. Antirrhinum majus. Floral Showers Series Snapdragon Seeds. Non-GMO, Premium Quality Seeds, hybrid, annual. Floral Showers snapdragon seeds grow fragrant, nostalgic, and vibrant blooms where other flowers...
Tomato Seeds - Slicing - Burpee Big Boy Hybrid
78 Days to maturity (from transplant). Solanum lycopersicum. Burpee Big Boy Hybrid Tomato Seeds. Non-GMO, warm season annual, organic, F1 hybrid, indeterminate, slicing tomato. Suitable for growing in garden plots,...
Tomato Seeds - Cherry - Suncherry Extra Sweet Hybrid
65 Days to maturity (from transplant). Solanum lycopersicum. Suncherry Extra Sweet Japanese Tomato Seeds. Non-GMO, annual, hybrid, indeterminate cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Corn Seeds - Sweet - Silver King Hybrid
80-90 Days to maturity. Zea mays. Silver King Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone...
Asparagus Seeds - UC 157 F2
3 years to first harvest, annual harvest. Non-GMO, Hybrid. Perennial. This variety was developed at the University of California, Riverside in 1978 by Frank Southers and Frank Takatori. This hybrid...
Broccoli Seeds - Destiny Hybrid
70 to 75 days. Annual. Non-GMO Hybrid seeds. The Destiny Hybrid is a popular variety of the broccoli garden crop to grow. Destiny Hybrid seeds are more tolerant to heat...
Cauliflower Seeds - Cheddar Hybrid
70-75 days. This beautiful orange cauliflower boasts uniform, smooth, firm heads. Leave heads untied for maximum color intensity. Roasting enhances the flavor of cheddar cauliflower. In warm growing areas, plant...
Corn Seeds - Sweet - Honey Select Hybrid
80 Days to maturity. Zea mays. Honey Select Hybrid Corn Seeds. Non-GMO, annual, AAS winner, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat...
Echinacea Seeds - Cheyenne Spirit
70-80 days maturity. Echinacea x hybrida. Echinacea Cheyenne Spirit Seeds. Non-GMO, Heirloom, Perennial. Echinacea grows as a warm-season perennial and flowering herb native to Central North America. This vigorous echinacea...
Cucumber Seeds - Tsuyataro - Hybrid
55 to 75 Days to maturity. Cucumis sativus var. tsuyataro. Tsuyataro Cucumber Hybrid Seeds. Warm-season annual hybrid. Non-GMO. This outstanding, easy-to-grow, burpless type is popular in Japan. The skin is...
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