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]()
Amaranth Seeds - All Red Leaf
100-130 Days to maturity. Amaranthus cruentus. All Red Leaf Amaranth Seeds. Non-GMO, warm weather open-pollinated annual. Also known as Red Ocean Amaranth, this bright red leafy vegetable has ample health...
Onion Seeds - Red Of Florence
90-120 Days to maturity. Allium cepa. Red of Florence Onion Seeds. Also known as Red Long of Florence and Long Red Florence. Non-GMO, Biannual (but can be treated as an...
Pumpkin Seeds - Connecticut Field - Organic
Organic Connecticut Field Pumpkin Seeds. 100 - 120 days to maturity. Cucurbita pepo. Heirloom, Non-GMO, Annual. Large globes flattened at ends 10-14 x 12-15 inch diameter. ~ 225 Seeds/ounce. Download...
Oriental Poppy Seeds - Allegro
112-126 Days to maturity. Papaver orientale. Allegro Oriental Poppy Seeds. Non-GMO, organic, Perennial. Allegro Oriental poppy seeds promise one of the most radiant, exotic, and eye-catching blooms available to home...
Melon Seeds - Crenshaw - Crenshaw (Organic)
110 Days to maturity. Cucumis melo. Organic Crenshaw Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant Crenshaw Melon. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Melon Seeds - Late Valencia
100 days. Cucumis melo var. inodorus. Valencia Late Melon Seeds. Non-GMO, annual, heirloom, open-pollinated. This crop is suitable for garden plots, raised beds, and greenhouses. Late Valencia is a winter...
Tulip Bulbs - Double Late - Mixed
10 Bulb Bag This is a pre-order item that is expected to ship in October for fall planting. Other seeds, supplies, or kits ordered with this product will ship separately....
Melon Seeds - Tendral Verde Tardif
110 Days to maturity. Cucumis melo var. inodorus. Valencia Late Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant specialty Melon. Suitable for growing in garden plots, raised beds, and greenhouses....
Tomato Seeds - Slicing - Nebraska Wedding
75-115 Days to maturity (from transplant). Solanum lycoperscium. Nebraska Wedding Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, slicing tomato. Suitable for growing in garden plots, raised beds, greenhouses. The plant...
Pumpkin Seeds - New Moon Hybrid (treated)
Non- GMO Treated New Moon Hybrid Pumpkin is ready in 110 days. Full, vigorous vines produce good yields for Full Moon Pumpkins. Bright white fruits that are uniform size and...
Campanula Seeds - Clips Series - White (Pelleted)
2nd-year maturity. Campanula carpatica. White Clip Series Campanula Seeds. Non-GMO, perennial hybrid flower. Clips Series White seeds grow year-round campanulas in your home or garden for perennial perfumes. Often planted...
Tomato Seeds - Slicing - Brandywine Black Potato Leaf
80-120 Days to maturity (from transplant). Solanum lycopersicum. Brandywine Black Potato Leaf Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, potato leaf, slicing tomato. Suitable for growing in garden plots, raised...
Sweet William Seeds - Wee Willie
105-112 days to maturity. Dianthus barbatus. Dianthus Wee Willie Seeds. Non-GMO, Annual, or Biennial. Ornamental. Wee Willie Sweet William seeds are an adorable, compact, and vibrant addition to grow in...
Pumpkin Seeds - Autumn Buckskin F1
Autumn Buckskin F1 Hybrid Pumpkin Seeds. Cucurbita moschata. F1 Hybrid. Non-GMO. Annual. Long vines produce buff 15" x 10" pumpkins in approximately 110 days from sowing. Pumpkin Autumn Buckskin F1...
Daffodil Bulbs - Large Cupped 'Carlton'
10 Bulbs This is a pre-order item that is expected to ship in Late October to November for fall planting in warm climates, or as houseplants indoors. Other seeds, supplies,...
Pumpkin Seeds - Yellow Paris
100-110 days. Non-GMO. Heirloom. Yellow Paris Pumpkin Seeds from True Leaf Market produce sweet, peach-colored pumpkins weighing up to 50 lbs. The pale orange flesh of this French heirloom pumpkin...
Melon Seeds - Honeydew - Bodacious Hybrid
100 Days to maturity. Cucumis melo. Bodacious Hybrid Honeydew Melon Seeds. A non-GMO, annual, F1 hybrid, heat-tolerant Honeydew Melon. Suitable for growing in garden plots, raised beds, and greenhouses. This...
Grass Seeds - Quaking
90-110 Days to Maturity. Briza maxima. Quaking Grass Ornamental Grass Seeds. Non-GMO, annual in zones 5-10, deer resistant, attracts pollinators, landscape or cut flower. Green, tan, and white colored grass...
Melon Seeds - Crenshaw - Marvelous Hybrid
100 Days to maturity. Cucumis melo. Crenshaw Melon Seeds. A non-GMO, annual, F1 hybrid, heat-tolerant Marvelous Hybrid Crenshaw Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Melon...
Melon Seeds - Crenshaw - White Crenshaw
100 Days to maturity. Cucumis melo. White Crenshaw Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant White Crenshaw Melon. Suitable for growing in garden plots, raised beds, and greenhouses. The...
Tomato Seeds - Slicing - Kentucky Beefsteak
75-115 Days to maturity (from transplant). Solanum lycopersicum. Kentucky Beefsteak Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Plectranthus Seeds - Silver Shield (Pelleted)
90-100 days to maturity. Plectranthus argentatus. Silver Shield Plectranthus Flower Seeds (Pelleted). Non-GMO, annual, open-pollinated. This crop is suitable for growing in containers, garden plots, raised beds, and greenhouses. Silver...
Melon Seeds - Japanese - New Melon
110-120 Days to maturity. Cucumis melo. Japanese New Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Asian Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Developed in...
Oats Seeds - Tesuque - Organic
Certified Organic Tesuque Oats - Whole, Husk On. Avena nuda. 100 to 120 days to full maturity. Non-GMO, Heirloom, Open Pollinated. Annual. Originally from Tesuque Pueblo, New Mexico. About 90...
Pumpkin Seeds - Cherokee Bush
Cherokee Bush Pumpkin Seeds. 100 to 110 days to maturity. Cucurbita pepo. Open Pollinated. Annual. Can be grown in containers. Five to eight-pound pumpkins are produced on a space-saving bush...
Melon Seeds - Casaba - Sungold
85-110 Days to maturity. Cucumis melo. Sungold Casaba Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant, drought-tolerant, Casaba Melon. Suitable for growing in garden plots, raised beds, and greenhouses. This...
Daffodil Bulbs - Mixed
10 Bulb Bag Shipping Now! This product only ships to the lower 48 states. No shipping outside the USA. 90-120 Days to maturity. Fall Planting. Spring Blooming Narcissus pseudonarcissus. Mixed...
Dahlia Bulbs - Arabian Night
2 Tuber Bag This is a pre-order item and is expected to ship from February to March. Other seeds, supplies, or kits ordered with this product will ship separately. This...
Seed Potatoes - Cal White (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...
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