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]()
Bean Seeds - Bush - Purple Queen
50-65 Days to maturity. Phaseolus vulgaris. Purple Queen Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom snap bush bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses. The...
Parsley Microgreens Seeds
Parsley Microgreens Seeds. Petroselinum crispum. Non-GMO. Open Pollinated Seeds. Green color micros with a beautiful saw-tooth leaves. Parsley flavor with higher flavor intensity than full grown parsley. Grow only in...
Edible Flower Seed Mix
50-70 Days to maturity. Edible Flower Seed Mix Seeds. Open Pollinated. Non-GMO. These mixed edible flower seeds are suitable for planting throughout North America. Coverage is approximately 10 ounces per...
Leek Seeds - Giant Musselburgh
80-130 days. Allium porrum. Giant Musselburgh Leek Seeds. Non-GMO, annual, heirloom, open-pollinated. This crop is suitable for garden plots, raised beds, and market gardens. Giant Musselburgh is a classic Scottish...
Pampas Grass Seeds
2nd year maturity. Cortaderia selloana. Pampas Grass Seeds. Non-GMO, Perennial. Open Pollinated. Ornamental. Pampas grass is one of the most popular non-flower ornamental plants in the entire world. Seeds mature...
Watermelon Seeds - Icebox - Yellow Petite
65-78 Days to maturity. Citrullus lanatus Yellow Petite watermelon seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, mini watermelon. Petite Yellow watermelon is perfect for those with a short growing...
Gourd Seeds - Speckled Swan
105-125 days. Speckled Swan gourd is a very unique looking variety that is shaped very similarly to an actual swan. The gourds have a large round base that narrows to...
Spinach Seeds - Seaside - Hybrid
Spinach Seeds - Seaside - Hybrid. Non-GMO. Spinacea oleracea. 25-30 days maturity for baby leaf, 40-60 days to full maturity. Cool season annual. Seaside is a very uniform baby leaf...
No-Till Pollinator Friendly Cover Crop Seed Mix
Our No-Till Pollinator Friendly Cover Crop Mix is a custom blend of cover crop seeds formulated to enrich your soil while also attracting beneficial pollinators to your garden or farm....
Carrot Seeds - Lunar White
65-80 days. The Lunar White carrot is a unique pale white variety. Each root grows to be up to six inches long, and has a classic tapered end. The roots...
Pepper Seeds - Sweet - Golden Cal Wonder (Organic)
72 Days to maturity (from transplant). Capsicum annuum. Organic Golden Cal Wonder Pepper Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, high-yielding, drought tolerant, sweet-type, with no heat levels. 0 Scoville Heat...
Cardoon Seeds
60-75 days. Cynara cardunculus. Cardoon Seeds. Non-GMO, perennial, heirloom, open-pollinated. This crop is suitable for garden plots, raised beds, and ornamental borders. Cardoon is a tall, architectural relative of the...
Rudbeckia Seeds - Cherry Brandy
91-105 days maturity. Rudbeckia hirta. Rudbeckia Cherry Brandy Seeds. Non-GMO, Biennial, short-lived perennial, usually grown as an annual. Ornamental. Cherry Brandy seeds grow one of the summer's most vibrant and...
Swiss Chard Seeds - Yellow
55 days. The Yellow Swiss Chard is a variety that produces dark green leaves on bright Yellow stems. These stems are excellent as an ornamental piece in the garden, but...
Pinto Beans - Bulk Grains
Pinto beans are the most commonly consumed bean in the United States. Pinto beans have a beautiful slightly pink color and wonderfully creamy texture when cooked. They are used in...
Tobacco Seeds - Burley 64
~65 Days from transplant to maturity. Nicotiana tabacum. Burley 64 Tobacco Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to...
Gypsophila Seeds - Annual Babys Breath
White clouds of blooms float over 18 inch stems that are perfect for fresh cut or dried arrangements. Who needs a florist when you have this growing effortlessly in your...
Parsley Seeds - Double Curled
75 Days to maturity. Petroselinum crispum. Double Curled Parsley Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Double Curled Parsley is...
Eggplant Seeds - White Egg
White Egg variety eggplant plants produce fruits that look like actual eggs. Each eggplant is 2-3 inches wide and long, and has a smooth white exterior. Plants produce productive yields,...
Seed Assortment - Mexican Salsa
Start your own Mexican Salsa garden seeds indoors and get a jump on the growing season. Also perfect for transplanting to indoor planters for year-round container gardening. Cultivate your own...
Tomato Seeds - Cherry - Currant Yellow
70 Days to maturity (from transplant). Solanum lycoperscium. Currant Yellow Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Currant...
Basil - Genovese (Organic) - Microgreens Seeds
12-16 days to harvest. Ocimum basilcum. Non-GMO, organic, open-pollinated, heirloom Genovese Basil Microgreens Seeds. Use micro basil in place of regular basil in any recipe, for extra intense basil flavor....
Cress Seeds - Upland
Non-GMO, Heirloom Upland Cress Herb Garden Seed from True Leaf Market. Barbarea verna. Upland Cress, also known as "European greens" is native to regions in China. Upland Cress is a...
Squash Seeds - Lakota
80-120 Days to maturity. Cucurbita maxima . Lakota Squash Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Lakota winter squash is...
Seasonal Seed Assortment - Fall
The seeds in this collection were hand selected by our team of master gardeners to be planted in Fall months. Remember, not all seeds have to be planted in the...
Broccoli Seeds - Chinese Broccoli - Big Stem
40-50 days to maturity. Brassica oleracea var alboglabra ‘Big Stem’. Big Stem Chinese Broccoli Seeds. Non-GMO; hybrid; cool-season annual. Closely related to European cabbage, Chinese broccoli was introduced to China...
Carrot - Lunar White - Microgreens Seeds
14-21 Days to maturity. Daucus carota. Lunar White Carrot Microgreen Seeds. As microgreens, Carrot retains much of the nutritional value and flavor profile of its mature counterpart but is concentrated...
Mighty Mustard® Kodiak - Cover Crop Seeds
35-40 Days. Brassica juncea. Cover Crop. Non-GMO. Annual. Mighty Mustard® Kodiak seeds are one of the most beneficial, diverse, and quickly maturing cover crops for the home garden. Mighty Mustard®...
Bean Seeds - Bush - Royalty Purple Pod (Organic)
50-65 Days to maturity. Phaseolus vulgaris. Organic Royalty Purple Pod Bush Bean Seeds. Non-GMO, annual, open-pollinated, organic, heirloom, high-yielding, bush, snap bean. Suitable for growing in containers, garden plots, raised...
Bean Seeds - Pole - Purple Mart Tsu In Yard...
75-80 Days to maturity. Vigna unguiculata subsp. sesquipedalis. Purple Mart Tsu In Yard Long Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat-tolerant, pole, snap, Asian, specialty bean. Suitable for growing in...
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