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]()
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®...
Spinach Seeds - Red Aztec - Organic
Chenopodium berlandieri Packet contains 250 mg (~350 seeds). If you've tried amaranth, lambs quarter, or goosefoot as salad or micro-greens, you should try this. Young seedlings begin bright red, then...
Lettuce Seeds - Summer 38 Celtuce
75-85 day maturity. Lactuca sativa var. asparagina ‘Summer 38 Celtuce’. Summer 38 Celtuce Lettuce Seeds. Non-GMO, cool-season annual heirloom. This variety of Chinese stem lettuce has pointed, light green leaves....
Spinach Seeds - Strawberry - Organic
Chenopodium capitatum Packet contains 250 mg (~500 seeds). Not technically a spinach. Also called strawberry blite or beetberry for the red fruits that form at maturity. These are pleasantly sweet,...
Chinese Cabbage Seeds - Kyoto No. 3
Chinese Cabbage Seeds - Kyoto No. 3. Heirloom, Non-GMO. Brassica rapa Pekinensis group. 80 days. Cool season annual. A Japanese heirloom or dento yasai variety of Japan, this cabbage has...
Lettuce Seeds - Red Iceberg (Organic)
55-65 Days to maturity. Lactuca sativa. Organic Red Iceberg Lettuce Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Red Iceberg...
Onion Seeds - Bunching - Tokyo Long White (Organic)
60-90 Days to maturity. Allium fistulosum. Organic Tokyo Long White Onion Seeds. Non-GMO, perennial, organic, open-pollinated, heirloom, cold tolerant, drought tolerant, bunching onion. Suitable for growing in greenhouses, garden plots,...
Onion Seeds - Short - Crystal White Wax
95 Days to maturity. Allium cepa. Crystal White Wax Onion Seeds. Non-GMO, annual, perennial, organic, hybrid, open-pollinated, heirloom, AAS winner, heat tolerant, cold tolerant, drought tolerant, bulbing, bunching, short-day onion....
Lettuce Seeds - Spring Mix - Organic
40-70 Days to maturity. Lactuca sativa. Organic Spring Mix Lettuce Seeds. The Spring Lettuce Mix is a blend of lettuces chosen especially for Spring planting. They offer a good range...
Lettuce Seeds, Romaine - Vivian - Organic
Organic Vivian Romaine Lettuce Seeds. 50 days to full maturity. 28 days to maturity for baby leaves. Lactuca sativa. Open Pollinated. Non-GMO. Annual. Approx. 25,000 Seeds per ounce. Download Free...
Endive Seeds - Red Treviso
65-100 days. Cichorium endivia. Red Treviso Endive Seeds. Non-GMO, annual, heirloom, open-pollinated. This crop is suitable for garden plots, raised beds, and containers. Red Treviso is a classic Italian chicory...
Pak Choi Seeds - Savoy Tatsoi
45 Days to maturity, 10-15 days for microgreens, and 20-30 days for baby leaf. Brassica rapa var. narinosa. Savoy Tatsoi Pak Choi Seeds. Cool-Warm Season Annual Heirloom. This dark green,...
Kale Seeds - Scarlet
Scarlet Kale Seeds. Can be grown in containers. Brassica oleracea. 50 days to maturity. Open Pollinated. Annual. Kale Scarlet is heavily curled with sturdy leaves that are red-purple and become...
Mustard - Wasabi (Organic)
Wasabi Mustard Seeds. Certified Organic by Oregon Tilth. Non-GMO. 45 days. This mustard has large green leaves with wavy edges and a fun wasabi-like bite. Easy to grow in your...
Myosotis (Forget-Me-Not) Seeds - Sylvatica
2nd Year Maturity. Forget-Me-Not sylvatica seeds promise an authentic and biennial touch of the United Kingdom in your garden. Myosotis sylvatica seeds grow herbaceous 9-12" tall dwarfed branching shrubs bursting...
Penstemon Seeds - Rocky Mountain
120 Days to maturity. Penstemon strictus. Rocky Mountain Penstemon Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, perennial. Rocky Mountain penstemon is easy to grow from seed and ideal for gardens prone...
Pansy Seeds - Swiss Giant Mixture
91-98 Days to maturity. Viola x wittrockiana. Swiss Giant Mixture Pansy Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, annual. Swiss Giant Mix pansy seeds grow a compact yet nevertheless dazzling alternative...
Dianthus Seeds - Super Parfait Series (Pelleted)
105-112 days to maturity. Dianthus chinensis. Dianthus Super Parfait Series Seeds. Non-GMO, Annual or Biennial. Ornamental. Super Parfait Series seeds promise a spectacular alternative to the traditional seasonal dianthus. Super...
Cabbage Seeds - Charleston Wakefield
Brassica oleracea (70-85 days) The result of a selection from Early Jersey Wakefield made on Long Island. Sold to the F. W. Bolgiano Seed Co. in 1880. Charleston Wakefield produces...
Beet Seeds - Early Wonder - Organic
(33 days for greens and 60 days for beets) Organic Early Wonder came into being sometime around 1911. This is truly one of the best beet varieties for greens. Whereas...
Lettuce Seeds - Parris Island Cos - Organic
Lactuca sativa. (68 days) Parris Island was developed by the USDA and Clemson in the early 1950s. Named for Parris Island off the coast of South Carolina. Organic Parris Island...
Snapdragon Seeds - Madame Butterfly Mixture
115-121 Days to maturity. Antirrhinum majus. Madame Butterfly Mixture Snapdragon Seeds. Non-GMO, Premium Quality Seeds, hybrid, annual. Madame Butterfly Mix snapdragon seeds promise to turn any stale summer bedding into...
Iceland Poppy Seeds - Champagne Bubbles Mix
91-98 Days to maturity. Papaver nudicaule. Champagne Bubbles Iceland Poppy Seeds. Non-GMO, F1 Hybrid, perennial. Champagne Bubbles Mix poppy seeds grow cold-hardy perennials that thrive in many cool, temperate gardens....
California Poppy Seeds - Formula Mix
50-60 Days to maturity. Eschscholzia californica. Formula Mix California Poppy Seeds. Non-GMO, annual. Formula Mix California poppies are a serious favorite of pollinators like honey bees. These easy-to-grow flowers are...
Pea Seeds - Afila Tendril - Microgreens (Organic)
Certified Organic by Oregon Tilth - Afila Tendril Pea Microgreens Seeds - Pisum sativum. Non-GMO. Produces microgreens pea shoots with an abundance of curly tendrils. Tendril Peas are a choice...
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....
Pea Seeds - Snow - Oregon Sugar Pod II (Organic)
60-70 Days to maturity. Pisum sativum. Oregon Sugar Pod II Pea Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant...
Grass Mix - Cabin Grass Seed
Cabin Grass Seed Mix - AKA: Green Space Holder, Dryland Turf Mix, Erosion Turf Mix. This Cabin Grass Seed Mix is a blend of two low growing, very deep rooted...
Hydroponic Wheatgrass Growing Kit
Grow wheatgrass hydroponically with the Hydroponic Wheatgrass Growing Kit. Less mess than soil. A complete and easy way to grow wheatgrass. Features the Micro-Mat hydroponic wheatgrass grow pads. Certified Organic....
Snapdragon Seeds - Maximum Mix
115-121 Days to maturity. Antirrhinum majus. Maximum Mix Snapdragon Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, annual. Maximum Mix seeds promise some of the tallest, brightest, and most vivid snapdragons growing...
Lettuce Seeds - Salad Leaf Blend
Just plant it and start making your instant salads today. Lettuce Seeds - Salad Leaf Blend You have been asking for it! So here it is, an instant salad mix...
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