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 - Taylor Dwarf Horticulture
50-65 Days to maturity. Phaseolus vulgaris. Taylor Dwarf Horticulture Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, bush, shelling high-yielding bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Lettuce Seeds - Black Seeded Simpson (Organic)
Lactuca Sativa (45 days) An old reliable lettuce that is heat resistant, slow to bolt and very dependable. Leaves are large, but lightly crispy and ruffled. Excellent for spring, early...
Japanese Mugwort - Yomogi
45 Days to maturity. Artemisia princeps. Yomogi Japanese Mugwort Seeds. Non-GMO perennial heirloom. Yomogi, or Japanese Mugwort, is an easy-to-grow perennial herb that grows in almost any condition. It is...
Pumpkin Seeds - Wee-B-Little
Wee B Little Pumpkin is the perfect miniature pie pumpkin. This orange pumpkin was a AAS Winner for 1999. Wee B Little grows an orange pumpkin that is small enough...
California Poppy Seeds
56-70 Days to maturity. Eschscholzia californica. California Poppy Seeds. Non-GMO, annual. California poppy seeds grow one of the most radiant, iconic, and all-American blooms ever! California poppy seeds promise a...
Lettuce Seeds - Butterhead - Way-A-Head
Way-A-Head butterhead lettuce is crisp and mild. Heads are compact and medium size. A great crop to grow in limited space for high yields. Leaves are medium green and smooth....
Corn Seeds - Dent - Truckers Favorite Yellow
70-85 Days to maturity. Zea mays. Truckers Favorite Yellow Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Dent Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Pea - Early Frosty - Microgreens Seeds
8-14 days. Early Frosty pea microgreens (shoots) are a fantastic, less-sweet alternative to green pea shoots. Once mature, harvest for a fresh bounty of crunchy shoots that are packed with...
Herb Seed Assortment - Scarborough Fair
The Scarborough Fair Culinary Herb Seed Collection is directly inspired by the traditional English ballad, "Scarborough Fair" later popularized by folk rock duo, Simon & Garfunkel. This herb kit assortment...
Catmint Seeds - Blue Moon
60-80 Days to maturity. Nepeta nervosa. Blue Moon Cat Mint Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, perennial. This heat-tolerant flowering herb is just the versatile plant that your garden needs!...
Cucumber Seeds - Japanese Long
The Japanese Long cucumber plant produces productive yields of 18-20 inches long fruits. Cucumbers are dark green and burpless with few seeds. They are best when harvested prematurely at 12...
Lettuce Seeds - Tom Thumb (Organic)
Lactuca sativa (50 days) Introduced some time in the 1850s. Small, round head with delicate leaves. About the size of a baseball. Perfect for one-person salad. Can be planted close...
Eggplant Seeds - Thai Round
55-60 days maturity after transplant. Solanum melongena ’Thai Round’. Thai Round Eggplant Seeds. Non-GMO, warm-season, annual, heirloom. This disease-resistant Matti Gulla variety adapts well to many growing conditions. Matti is...
Lettuce Seeds - Romaine - Petite Rouge
70 Days to maturity. Lactuca sativa. Petite Rouge Romaine Lettuce Seeds. Also known as Petite Rouge Cos lettuce. Non-GMO. Annual. Open Pollinated. Matures into a beautifully speckled bronze leaf used...
Pak Choi Seeds - Red Tatsoi - Hybrid
45 Days to full maturity, 20-30 Days for baby leaf, 10-15 Days for microgreens. Brassica rapa subsp. narinosa. Red Tatsoi, Pak Choi Seeds. Annual, Hybrid. Cool Season. This vigorous hybrid...
Gourd Seeds, Bitter - Joy Green - Hybrid
55-65 Days to Maturity (after transplanting). Momordica charantia ’Joy Green’. Joy Green Bitter Gourd Seeds. Non-GMO, warm-season, annual, hybrid. These shiny green fruits grow 10-12 inches long. Joy Green is...
Tomato Seeds - Slicing - Super Fantastic Hybrid
70 Days to maturity (from transplant). Solanum lycopersicum. Super Fantastic Hybrid Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Sunflower - Red Storm - Microgreens Seeds
Red Storm sunflower microgreen seeds grow exotic red sunflower microgreens that boast all the same flavors and simplicity as traditional Black Oil sunflower sprouts. Try red microgreens sunflower shoots alongside...
Beet Seed - White Detroit
55 Days. Beta vulgaris. Annual. Heirloom. Open-pollinated. Same classic flavor, non-GMO Detroit White beet seeds grow a clean, stainless alternative to traditional messy old-world garden beets. Widely known as 'sugar...
Bean Seeds - Pole - Kentucky Wonder
65 Days to maturity. Phaseolus vulgaris. Kentucky Wonder Pole Bean Seeds. Seeds may be brown or white in color. Non-GMO, annual, open-pollinated, heirloom, drought-tolerant, high-yielding, pole, snap bean. Suitable for...
Parsley Seeds - Plain or Single
70-80 Days to maturity. Petroselinum crispum. Plain or Single Parsley Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Plain or Single...
Wildflower Seeds - Rocky Mountain Mix
Rocky Mountain Wildflower Mix seeds promise an authentic touch of the untamed American west in your very own garden. Wildflower Rocky Mountain Mix seeds grow a stunning blend of 22...
Mustard Seeds - Old Fashioned
B. juncea (42 days) Old Fashioned Mustard is the classic mustard typically found in Southern gardens of yesteryear. It is still widely grown in the South for its reliability and...
Flower Seeds - Bachelor Buttons
50-60 Days to maturity. Centaurea cyanus. Bachelor Button Seeds. Non-GMO, Open-Pollinated, Annual. Bachelor Button is a drought-tolerant annual native to Europe. The flower is the original deep blue hue that...
Millet Seeds - White Proso
White Proso Millet (70-100 days). Proso millet, also called Proso, grain millet or hog millet, is grown primarily in the US for feed grain or birdseed purposes. However, most of...
Amaranthus Seeds - Hopi Red Dye (Organic)
A plant with many uses that was historically used by the Hopi Nation. Tender and colorful young leaves are excellent for salads or a micro greens mix. Grind seed with...
Cauliflower Seeds - Self Blanching - Organic
Brassica oleracea (68 days) Developed by Dr. Homna at MSU. This cauliflower has self-wrapping leaves which shield the snow-white curds from sun, thus the name Self Blanching Cauliflower. This allows...
Celery Seeds - Nan Ling Cutting
Non-GMO Nan Ling Cutting Celery is an Asian celery variety that has a sweet and delicate flavor. Cutting Celery is the familiar flavor in many Chinese dishes. Known for its...
Echinacea Seeds - PowWow Wild Berry
70-84 days. Non-GMO, Heirloom PowWow Wild Berry Echinacea Herb Garden Seed from True Leaf Market. Echinacea purpurea. Echinacea grows as a warm perennial herb native to North America. These vigorous...
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