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]()
Onion Seeds - Bunching - Shimonita Negi
120-140 Days to maturity. Allium fistulosum. Variety name Onion Seeds. Non-GMO, perennial, open-pollinated, heirloom, bunching onion. Suitable for growing in greenhouses, garden plots, raised beds, and containers. Shimonita Town is...
Evening Primrose Seeds - Dwarf
Oenothera glazioviana (syn. O. lamarckiana)- Perennial with stems 2 inches long. Drought Tolerant and long-lived. Makes a great ground cover. Evening Primrose Flower Seeds - Dwarf - Oenothera glazioviana Non-GMO...
Basil Seeds - Red Rubin (Organic)
68 Days to maturity. Ocimum basilicum. Organic Red Rubin Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. This basil grows...
Chard Seeds - Japanese Umaina
50-60 Days to maturity. Beta vulgaris var. cicla. Chard Seeds - Japanese Umaina. Non-GMO Annual Heirloom. This tender Japanese variety has beautiful broad, slightly wrinkled leaves with short midribs. It...
Lettuce Seeds - Leaf - Flame (Organic)
45-60 Days to maturity. Lactuca sativa. Organic Flame Lettuce Seeds. Non-GMO, annual, organic, heirloom, open-pollinated. This is a rare and striking looseleaf variety, known for its vibrant, frilled red leaves...
Wildflower Seeds - Meadow Mix
Perennial and Annual mix. Meadow Mix wildflower seeds promise a genuine touch of the untamed mid-western meadows in your very own garden. Meadow Mix wildflower seeds grow a stunning blend...
Linum Seeds - Blue Flax
60-90 Days to maturity. Linum perenne var. lewisii. Linum Blue Flax Seeds. Non-GMO, Perennial. Blue Flax Linum seeds grow one of the most classic and familiar blooms native to the...
Sweet Pea Seeds - Knee High Mixture
98-112 Days to maturity. Lathyrus odoratus. Sweet Pea Knee High Mixture Seeds. Non-GMO, annual, open-pollinated. Knee High Mix sweet pea seeds grow into one of the most recognizable, popular, and...
Chinese Celery Seeds - Yellow Stem
55-65 Days to maturity. Apium graveolens. Yellow Stem Chinese Celery Seeds. Non-GMO, Heirloom. This unique celery variety has hollow, delicate stalks which are less fibrous than other celeries. The open-pollinated...
Lettuce Seeds - Crisphead - Salinas
70-80 days. These non-GMO Salinas lettuce seeds easily grow into green leaves and are great for beginners. Salinas Lettuce, also known as Iceberg Lettuce, is ready to harvest in 70...
Cabbage Seeds - Purple Savoy
Brassica oleracea (61 days) Can be sown spring or fall but fall sowing usually works better. Very cold tolerant. An early savoy cabbage with green heads and purple to deep...
Lettuce Seeds - Purple Sword Celtuce
75-85 day maturity. Lactuca sativa var. asparagina ‘Purple Sword Celtuce’. Purple Sword Celtuce Lettuce Seeds. Non-GMO, cool-season annual heirloom. This variety of Chinese stem lettuce has good tolerance to cold...
Mustard Seeds - Crimson Tide
45 Days to maturity. Brassica juncea. Crimson Tide Mustard Seeds. Heirloom, Non-GMO, Open Pollinated. Annual. This mustard strongly resembles Ruby Streak. Its ornately fringed purple and green leaves deliver a...
Columbine Seeds - Origami Mix
2nd-year maturity. Aquilegia caerulea. Columbine Origami Mix Seeds. Non-GMO, Perennial. Ornamental. Origami Mix columbine seeds grow a playful, robust, and familiar classic American perennial that fits right at home among...
Lettuce Seeds - Butterhead - Capitaine
62 days. Lactuca sativa. Capitaine Butterhead Lettuce Seeds. Non-GMO, annual, heirloom, open-pollinated. Capitaine is an impressively large, tight butterhead lettuce with light-green 8-10-inch heads of curly leaves, with a delicate,...
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,...
Lentil Seeds - Black (Organic)
Organic Black Lentil Seeds. Lens culinaris. 80 to 110 days to maturity. Certified Organic by OTCO. Hardy Annual. Heirloom, Open Pollinated, Non-GMO. Use for vegetable gardening and sprouting. Produces dark...
Komatsuna Mustard Seeds - Green Boy - Hybrid
30 to 40 Days to maturity (warm climates), 50-60 Days to maturity (cold climates). Brassica rapa var. perviridis. Green Boy Komatsuna Mustard Seeds. Cool-season annual hybrid. Komatsuna is an easy-to-grow,...
Beet Seeds - Ruby Queen (Organic)
50-55 Days to maturity. Beta vulgaris. Organic Ruby Queen Beet Seeds. Non-GMO, cool weather annual, organic, heirloom, open-pollinated, AAS winner 1957. This delicious multi-use beet can be used for the...
Pak Choi Seeds - Summer Zest - Hybrid
40-45 Days to maturity. Brassica rapa Chinensis group. Summer Zest Pak Choi Seeds. Cool-Warm Season Annual Hybrid. Summer Zest is considered a medium to large size cabbage or medium maturing...
Oenothera Seeds - Showy Evening Primrose
91-98 days to Maturity. Showy Evening Primrose oenothera seeds grow one of summer's most familiar, gentle, yet vigorous blooms. Showy Evening Primrose is easy to grow from seed and is...
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 - Halloween Mix
Halloween Mix Radish Seeds. 20 - 30 days to maturity. Can be grown in containers. Raphanus sativus. Open Pollinated. Annual. Halloween Mix contains purple yellow black and white radishes. Approximately...
Beet Seeds - Lutz Green Leaf
Beta vugaris (70 days) Lutz Green Leaf is known for its long standing storage capabilities. Also known by many as "winterkeeper" beets. Lutz has roots that are about 6" in...
Red Lentils (Organic) - Bulk Grains & Foods
These Red Lentils are great for sprouting, soups, and food storage. Our Red Lentils come in resealable packaging and are tested for microbes. Available in various quantities and in resealable...
Parsley Seeds - Evergreen
70-80 Days to maturity. Petroselinum crispum. Evergreen Parsley Seeds. Non-GMO, annual, AAS Winner, open-pollinated. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Evergreen Parsley features vibrant...
Primula Seeds - Supernova Mix
84-91 days maturity. Primula x polyantha. Primula Supernova Seeds. Non-GMO, perennial. Ornamental. Supernova primula seeds promise delicate and early Spring blooms to your garden when others can not. Supernova seeds...
Mighty Mustard® White Gold - Cover Crop Seeds
35-40 Days. Sinapis alba. Cover Crop. Heirloom. Non-GMO. Mighty Mustard® White Gold seeds are one of the most beneficial, diverse, and quickly maturing cover crops for the home garden. Mighty...
Phacelia Seeds - California Bluebell
80 Days to maturity. Phacelia campanularia. Phacelia California Bluebell Seeds. Non-GMO, annual. California Bluebell phacelia seeds grow a classic, summer-hardy, and authentic touch of the untamed California desert in your...
Beet Seeds - Detroit Mix - Organic
60 days. Heirloom, Non-GMO. Certified Organic. This mix of Detroit Red and Golden Beet seeds will make for a colorful and tasty harvest with all the warm shades of summer....
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