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]()
Tomatillo Seeds - Pineapple
Physalis ixocarpa (65-75 days) Approximately 150 seeds per package. This is a relative of the Mexican tomatillo that hails from Eastern Europe. It can be used as other tomatillos in...
Yellow Pea - Organic - Cover Crop Seeds
60-70 Days. Pisum sativum subsp. arvense. Organic. Annual. Non-GMO. Organic yellow pea seeds are a quickly maturing cover crop grown for its year-round benefits to improving soil structure, weed suppression,...
Tomato Seeds - Salad - Tigerella
55-75 Days to maturity (from transplant). Solanum lycopersicum. Tigerella Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Nicotiana Seeds - Starmaker Series (Pelleted)
63-70 days to maturity. Nicotiana alata. Nicotiana Starmaker Series Seeds. Non-GMO, Annual. Ornamental. Starmaker Series nicotiana seeds grow a classic, durable, and curious touch of the South American tropics in...
Gourd Seeds - Fong Show - Hybrid
55-65 days maturity after transplanting. Benincasa hispida var. chieh-qua ’Fong Show’. Fong Show Gourd Seeds. Non-GMO, warm-season, annual, hybrid. This jointed gourd, hairy melon, or mokwa variety is an early...
Radish Seeds - Korean - Alpine Gold - Hybrid
60 days to maturity. Raphanus sativus. Alpine Gold Korean Radish Seeds. Hybrid, cool season annual, open pollinated. Alpine Gold radishes are a clean, crisp variety with smooth and polished roots....
Radish Seeds - Chinese - Green Meat Luobo
60 Days to maturity. Raphanus sativus. Green Meat Luobo Chinese Radish Heirloom Seeds. Cool Season Annual. Unlike other Chinese radishes, Green Luobos aren’t globe-shaped—instead, they grow as big as 10”...
Tomato Seeds - Cherry - Pink Thai Egg
65-70 Days to maturity (from transplant). Solanum lycopersicum. Pink Thai Egg Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, cherry tomato. Suitable for growing in garden plots, raised beds, greenhouses, and...
Zinnia Seeds - Zowie Yellow Flame (Coated)
54-70 Days to maturity. Zinnia elegans. Zowie Yellow Flame Zinnia Seeds. Non-GMO, organic, Annual. Yellow Flame zinnia seeds are an effortless and vibrant way to grow season-long brilliance in your...
Onion Seeds, Bunching - Ishikura Improved
60 Days to maturity. Allium fistulosum Ishikura Improved Bunching Onion Seeds. Annual, Non-GMO, Heirloom. This is a traditional medium early Japanese type bunching onion. At maturity, the stalk has white...
Gourd Seeds, Bitter- Dark Jade - Hybrid
55 to 60 Days to maturity. Momordica charantia. Dark Jade Bitter Gourd Hybrid Seeds. Non-GMO Annual Hybrid. This warm season annual is a high yielding, India-type bitter gourd. Dark green,...
Tomato Seeds - Paste - Andiamo Hybrid
65 Days to maturity (from transplant). Solanum lycoperscium. Andiamo Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, paste tomato. These 5-inch-long bright red elongated paste fruits are firm and meaty,...
Salvia Seeds - Red Hot Sally II
63-77 Days to maturity. Salvia splendens. Salvia Red Hot Sally II Seeds. Non-GMO, perennial or annual. Ornamental. Red Hot Sally II seeds grow vibrant, and early-blooming salvia plants native to...
Bean Seeds - Bush - Phenomenal (Cowpeas)
60-70 Days to maturity. Vigna unguiculata. Phenomenal Cowpea Bean Seeds. Non-GMO, annual, open-pollinated, high-yielding, bush, shelling bean (cowpea). Drought and heat resistant. Suitable for growing in containers, garden plots, raised...
Mixed Greens Seeds - Braising Mix
45-60 Days to maturity. 25-30 Days to baby leaf harvest. Mixed Greens Braising Mix Vegetable Seeds. Non-GMO, annual, open-pollinated, mixed greens. The Mixed Greens Braising Mix is a blend of...
Dundale Pea - Organic - Cover Crop Seeds
60-70 Days. Pisum sativum subsp. arvense. Non-GMO. Heirloom. Organic. Open-Pollinated. Often known as "field pea" or simply "Dun pea", the non-GMO Organic Dundale pea is a popular cool-weather cover crop,...
Okra Seeds - Lousiana Green Velvet
55-65 days. Louisiana Green Velvet Okra Seeds - Non-GMO, Heirloom, Abelmoschus esculentus. This 1941 AAS winner is large standing between 5 and 8 feet tall. It thrives in heat and...
Melon Seeds - Cantaloupe - Hales Best 45 PMR
68-90 Days to maturity. Cucumis melo. Hale’s Best 45 PMR Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant, drought-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots, raised...
Tomato Seeds - Salad - Sub Arctic Plenty
50-60 Days to maturity (from transplant). Solanum lycopersicum. Sub Arctic Plenty Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, determinate, salad tomato. Suitable for growing in garden plots, raised beds,...
Zinnia Seeds - Magellan Series - Orange
55-60 Days to maturity. Zinnia elegans. Magellan Orange Zinnia Seeds. Non-GMO, organic, F1 hybrid, annual. Magellan Zinnia Orange seeds grow tough and resilient zinnias, best suited for gardens prone to...
Pea Seeds - Snap - Purple Magnolia
60-70 Days to maturity. Pisum sativum. Purple Magnolia Snap Pea Seeds. Non-GMO, cool-season annual, hybrid snap peas. Suitable for growing in containers, garden plots, raised beds, and greenhouses. The Purple...
Thunbergia Seeds - Alata Mix
56-63 days maturity. Thunbergia alata. Thunbergia Alata Mix Seeds. Non-GMO, Annual or Perennial. Ornamental. Thunbergia Alata Mix seeds are an essential plant for your garden, home, or patio for nearly...
Tomato Seeds - Cherry - Isis Candy (Organic)
67 Days to maturity (from transplant). Solanum lycoperscium. Organic Isis Candy Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, organic, indeterminate cherry tomato. Suitable for growing in garden plots, raised beds, greenhouses,...
Calendula Seeds - Fiesta Gitana
60-70 Days to maturity. Calendula officinalis ’Fiesta Gitana’. Fiesta Gitana Calendula Seeds. Non-GMO, open-pollinated, heirloom, annual, also known as pot marigold. This one-of-a-kind dwarf marigold, known as Fiesta Gitana, is...
Alyssum Seeds - Rosie O Day
63-77 Days to maturity. Lobularia maritima. Rosie O Day Alyssum Seeds. Non-GMO, Open-Pollinated, Annual. Rosie O'Day Alyssum flower seeds grow frost-tolerant and award-winning blooms where other flowers would wither. Rosie...
Tomato Seeds - Salad - Garden Peach
67 - 80 Days to maturity (from transplant). Solanum lycoperscium. Garden Peach Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate salad tomato. Suitable for growing in garden plots, raised beds, and...
Kohlrabi Seeds - Superschmelz Giant White
Superschmelz Giant White Kohlrabi Seeds. 70 Days. Brassica oleracea. Non-GMO, Open Pollinated. Vegetable garden and microgreens seeds. A giant kohlrabi variety that retains its sweetness and tenderness at large size....
Sunflower Seeds - Midnight Rouge
55-65 Days to maturity. Helianthus annuus ’Midnight Rouge’. Midnight Rouge Sunflower Seeds. Non-GMO, annual, open pollinated, heirloom, ornamental. Midnight Rouge seeds produce some of the most deeply colored and stunning...
Seed Potatoes - Purple Viking (Organic)
This item is a pre-order item and is expected to ship in March for spring planting. Other seeds, supplies, or kits ordered with this product may ship separately. This product...
Endive Seeds - Gourmet Mix
Gourmet Mix endive and chicory is a great addition to a home garden to get a wide variety of textures and flavors in one go. Sow seeds directly outside in...
Gourd Seeds - Nam Tao Klom - Hybrid
60-65 Days to Maturity (after transplanting). Lagenaria siceraria ’Nam Tao Klom’. Nam Tao Klom Improved Gourd Seeds. Non-GMO, warm-season, perennial, F1 hybrid. This vigorous climbing hybrid produces round-shaped fruit with...
Nicotiana Seeds - Perfume Deep Purple (Pelleted)
63-70 days to maturity. Nicotiana alata. Nicotiana Perfume Deep Purple Seeds. Non-GMO, Annual. Ornamental. Perfume Deep Purple nicotiana seeds grow one of the world's most stunning, fragrant, and award-winning blooms...
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