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]()
Mustard Seeds - Red Komatsuna Hybrid
20-25 days for baby leaf, 40-50 days to maturity. Brassica rapa var. japonica. Red Mizuna Mustard Seeds. Non-GMO, cool-season, annual, hybrid. This small broad leaf mustard has a mild pungency...
Pea Seeds - Snap - Sugar Sprint (Treated)
55-65 Days to maturity. Pisum sativum. Sugar Sprint Snap Pea Seeds (Treated). Non-GMO, annual, open-pollinated, heirloom, heat-tolerant snap pea. Suitable for growing in fields, containers, garden plots, raised beds, and...
Spelt (Organic) - Cover Crop Seeds
Open-Pollinated. Cover Crop. Organic. Non-GMO Organic Spelt Cover Crop Seeds make for a fantastic, hardy and frost tolerant cover crop that competes with early weeds in the spring. Organic Spelt...
Radish Seeds - Long Scarlet Cincinnati
Long Scarlet Cincinnati Radish Seeds. Heirloom, Non-GMO. Raphanus sativus. 30 days. Long tapered deep red roots, 6 x 3/4 in roots, crisp tender white flesh , medium tops, for bunching...
Heuchera Seeds - Purple Palace (Pelleted)
2nd-year maturity. Heuchera sanguinea. Purple Palace Heuchera Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, Perennial. Open Pollinated. Purple Palace, or heuchera seeds, also known as coral bells, grow a vigorous Pacific...
Hot Radish Seeds - Karaine - Hybrid
70 days to maturity. Raphanus sativus. Karaine Hot Radish Seeds, Hybrid. Cool season annual, non-GMO. Hot radishes are a unique and flavorful variety of daikon that get their name from...
Radish Seeds - White Beauty
White Beauty Radish Seeds. 30 days to maturity. Can be grown in containers. Raphanus sativus. Heirloom, Annual. Approximately 6,800 seeds/ounce. Radish Seeds - White Beauty These pure white skin radish...
Pea Seeds - Blue Shelling (Organic)
Non-GMO, Organic, Open-pollinated, Heirloom Blue Shelling Seeds from True Leaf Market. This is a tall, attractive heirloom pea plant from the Netherlands that is centuries old with bluish to purple...
Turnip Seeds - Tsugaru Scarlet - Hybrid
Turnip Seeds - Tsugaru Scarlet - Hybrid. Non-GMO. Brassica rapa subsp. rapa. 55 days to maturity. Cool season annual. These scarlet skinned, globe-shaped, hybrid Japanese turnips have pure white flesh...
Pea Seeds, Afila 595
65 Days to maturity.Pisum Sativum. Afila 595 Pea Seeds. Annual, Non-GMO, Heirloom. Afila varieties of pea are cultivated for their delicious, gracefully attractive long tendrils. The tender pea shoot tips...
Radish Seeds - Crayon Colors Mix
Crayon Colors Radish Seeds. Non-GMO, Heirloom garden seeds. Raphanus sativus. 30 days. A mixture of primary colors that paints a wonderful palette in your garden. Download Free Vegetable Growing Guide...
Mustard Seeds - Japanese Giant Garnet
20-30 Days to Baby Leaf Maturity. Brassica juncea ’Japanese Giant Garnet’. Japanese Giant Garnet Mustard Seeds. Non-GMO, Open Pollinated, Annual. The solid, rounded leaves of this baby leaf variety are...
Chinese Cabbage Seeds - Matsushima No. 2
80 Days to maturity. Brassica rapa var. Pekinensis 'Matsushima No.2'. Matsushima No. 2 Chinese Cabbage Seeds. Annual Heirloom. The Matsushima No. 2 Chinese Cabbage is a unique Michihili-type compact heading...
Radish Seeds - Pink Summercicle
32-40 Days to maturity. Raphanus sativus. Pink Summercicle Radish Seeds. Non-GMO, annual, open-pollinated, heirloom, slow bolting, spring radish. Pink Summercicle (Shunkyo Semi-Long) is known for its delightful spicy flavor paired...
Iberis (Candytuft) Seeds - Dwarf Fairy Mixture
70-77 days. Dwarf Fairy Mix Candytuft seeds promise an authentic and hardy touch of the Mediterranean in your garden or patio. Dwarf Fairy Mixture iberis seeds grow herbaceous 8-10" tall...
Turnip Seeds - Tennouji Kabura
Turnip Seeds - Tennouji Kabura. Heirloom, Non-GMO. Brassica rapa subsp. rapa. 25-45 days depending on type of maturity. Cool season annual. The Tennouji Kabura is one of the oldest traditional...
Lettuce Seeds - Crisphead - Ithaca
50-60 days. Ithaca Crisphead Lettuce Seeds. Lactuca sativa. Non-GMO. Open Pollinated. ~25,000 seeds per oz. Download Free Vegetable Growing Guide PDF Growing Non-GMO Ithaca Crisphead Lettuce Vegetable Seeds Download Free...
Cauliflower Seeds - Violetta Italia
80-89 days. Brassica oleracea var. botrytis. Violetta Italia Cauliflower Seeds. Non-GMO, annual, heirloom, open-pollinated. This crop is suitable for garden plots, raised beds, and larger containers, offering compact lavender-purple heads...
Lettuce Seeds - Leaf - Maricella
Maricella Leaf Lettuce Seeds. 60 days to maturity. Lactuca sativa. Heirloom. Open Pollinated. Maricella is a triple red Lolla Rossa type with densely curled leaves. Approximately 25,000 seeds/ounce. Lettuce Seeds...
Dusty Miller Seeds - Cirrus (Pelleted)
84-91 Days to maturity. Senecio cineraria. Dusty Miller Cirrus Seeds. Non-GMO, Open Pollinated, Pelleted, Annual. Cirrus Dusty Miller seeds grow a vigorous Mediterranean favorite ideal for many moderate to dry...
Quinoa (Organic) - Bulk Grains & Foods
Quinoa (pronounced KEEN-wah), a cousin of both amaranth and spinach, is a pseudo-cereal with many uses. This Organic quinoa is guaranteed to be a great addition to your kitchen, whether...
Chinese Broccoli Seeds - Ryokuho - Hybrid
45-50 Days to maturity. Brassica oleracea var. alboglabra 'Ryokuho'. Ryokuho Chinese Broccoli Hybrid Seeds. Annual Hybrid. Ryokuho is a cultivar of Chinese Broccoli desirable for its early maturity, vigorous growth,...
Carnation Seeds - CanCan Scarlet (Treated)
154-175 days to maturity. Dianthus caryophyllus. Carnation CanCan Scarlet Seeds. Non-GMO, annual or biennial, hybrid flower. CanCan Scarlet carnation seeds promise to turn any tired and stale bedding into a...
Celery Seeds - Golden Boy
Golden Boy Celery Seeds. Heirloom, Annual. Apium gravolens. 85 days to maturity. Golden Boy grows 18 to 20 inches tall. Approximately 70,000 seeds/ounce Download Free Vegetable Growing Guide PDF Celery...
Asparagus Seeds - Sweet Purple
Asparagus Seeds - Sweet Purple Seeds per Package: 2 g - approximately 68 seeds 1 oz - approximately 950 seeds 4 oz - approximately 3,800 seeds 1 lb - approximately...
Mustard Seeds - Seaweed - Oka Hijiki
This seed is unavailable until 2027. Add your email to receive a notification when it is available again. Seaweed Mustard Seeds - Oka Hijiki. Non-GMO. Heirloom. Non-GMO. Salsola komarovi. 30-40...
Dianthus Seeds - Cottage Pinks
60-90 days to maturity. Dianthus plumarius ’Cottage Pinks’. Dianthus Cottage Pinks Flower Seeds. Non-GMO, open-pollinated, perennial flower. This late spring to mid-summer bloomer has a delightful clove scent when in...
Asparagus Crowns - Jersey Knight Hybrid
This is a pre-order item and is expected to ship in February to March for spring planting. Other seeds, supplies, or kits ordered with this product may ship separately. This...
Lettuce Seeds - Butterhead & Bibb Mix (Organic)
Organic Butterhead and Bibb Lettuce Mix. An attractive blend of green, speckled, and bronze-tinged bibb lettuces. A wonderful salad mix with fabulous tasting lettuces that are crisp, clean, and easy...
Horseradish Root
2 Roots This is a pre-order item and is expected to ship from March to April. Other seeds, supplies, or kits ordered with this product will ship separately. This product...
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