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]()
Alfalfa - Cover Crop Seeds
60-70 Days. Medicago sativa. Annual. Non-GMO. Cover Crop. Also known as "lucerne", non-GMO alfalfa is a year-round cover crop, widely grown for its nitrogen-replenishing benefits and fertile, all-natural springtime "green...
Oats - Whole (Organic) - Grass Seeds
6-10 Days to maturity for juicing. Avena sativa. Organic Whole Oat Grass Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in trays, and the field or garden. This product...
Alfalfa - Organic - Cover Crop Seeds
60-70 Days. Medicago sativa. Organic. Non-GMO. Cover Crop. Also known as "lucerne", Organic non-GMO alfalfa is a year-round cover crop, widely grown for its nitrogen-replenishing benefits and fertile, all-natural springtime...
Kohlrabi Seeds - Early White Vienna
55-70 days. Early White Vienna Kohlrabi Seeds. Brassica oleracea var. gongylodes. Non-GMO. Heirloom. Translated from German "Ëœkohl" meaning cabbage and "Ëœrabi" meaning turnip, the kohlrabi plant is a unique and...
Cabbage Seeds - Mammoth Red Rock
90 days. The Mammoth Red Rock cabbage has a beautiful reddish-purple tone to its heads, which have a subtle, delicate, and sweet flavor. It is a hardy crop, and grows...
Statice Seeds - QIS Series
91-105 Days to maturity. Limonium sinuatum. Statice QIS Series Seeds. Non-GMO, Annual. QIS Series statice is easy to grow from seed and a favorite for fresh-cut arrangements, baskets, and bouquets....
Onion Seeds - Short - Red Burgundy
100 Days to maturity. Allium cepa. Red Burgundy Onion Seeds. Non-GMO, annual, open-pollinated, heirloom, cold tolerant, bulbing, short-day onion. Suitable for growing in greenhouses, garden plots, raised beds, and containers....
Culinary Herb Assorted Seed Pack - 12 Pack
12 herb garden seed types: Parsley, Thyme, Cilantro/Coriander, Basil, Dill, Oregano, Mint, Chives, Savory, Garlic Chives, Mustard, Sage. Grow your own herb garden indoors or outdoors. A great assortment to...
Lettuce Seeds - Leaf - Red Sails
Red Sails Leaf Lettuce is ready in 45 days. An AAS winner, these non-GMO Red Sails seeds grow into green leaves of lettuce with red tips that are ready to...
Pak Choi Seeds - Tall White Stem - Hybrid
25-35 days for Miao (early stage), 45-50 Days to maturity. Brassica rapa var. Chinensis. Tall White Stem Pak Choi Hybrid Seeds.Non-GMO, Annual, Hybrid. Cool-Warm Season. Excellent pak choi variety for...
Winter Rye - Organic - Cover Crop Seeds
This is organic rye grain (Secale cereale) - not Ryegrass (Lolium). It is not for over-seeding lawns. Organic. Annual. Heirloom. Non-GMO Organic winter rye cover crop is one of the...
Swiss Chard Seeds - Lucullus
50 days. The Lucullus Swiss Chard seed variety produces large green leaves and white stems. This variety is one of the best for gardeners looking for a swiss chard that...
Chives Seeds - Garlic (Organic)
Non-GMO, Heirloom Organic Garlic Chives Herb Garden Seed from True Leaf Market. Allium tuberosum. Chives are native to regions in Asia and Europe. Organic Garlic Chives are also called "Chinese...
Carrot Seeds - Purple
65-70 days. Purple carrot Seeds. Daucus carota subsp. sativus. Non-GMO. Heirloom. The Purple Carrot is unique in that it appears quite differently when it is sliced than when it is...
Radish Seeds - Purple Plum
Non-GMO, Heirloom Purple Plum Radish Seeds. 25-30 days. Bright purple skin, firm white flesh, crisp, sweet and mild all season, never pithy of hot, hardy and adaptable. Download Free Vegetable...
Wildflower Seeds - Bee Mix
50-365 Days to maturity. Bee Friendly Wildflower Seeds Mix. A non-GMO mix of annuals and perennial bee-friendly wildflowers for zones 3-9. The Bee Friendly Wildflower Mix grows some of the...
Onion Seeds - Short - Texas 1015 Super Sweet
110 Days to maturity. Allium cepa. Texas 1015 Super Sweet Onion Seeds. Non-GMO, annual, open-pollinated, heirloom, bulbing, short-day onion. Suitable for growing in greenhouses, garden plots, raised beds, and containers....
Lemon Mint Seeds
Monarda citriodora Annual. Non-GMO, Heirloom Lemon Mint Herb Garden Seed from True Leaf Market. Monarda citriodora. Lemon Mint resides in the mint family as a warm perennial. Lemon Mint develops...
Lemon Balm Seeds (Organic)
90 Days to maturity. Melissa officinalis. Organic Lemon Balm Seeds. Non-GMO, annual, perennial, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, and raised beds. Our Organic Lemon...
Dill Seeds - Mammoth Long Island
60-70 days. Long Island Mammoth Dill Seeds. Anethum graveolens. Non-GMO. Heirloom. Known as "Elephant Dill" for significantly longer and feathered 24" tall silvery blue greens, Mammoth Long Island is an...
Wild Bergamot Seeds - Bee Balm
65 Days to maturity. Monarda fistulosa. Bee Balm Wild Bergamot Seeds. Non-GMO, perennial, open-pollinated, heirloom. Suitable for growing in garden plots, raised beds, borders, and pollinator gardens. A native wildflower...
Purslane Seeds - Green
Non-GMO Purslane is ready to harvest in 50 days and is one of the most nutritionally dense foods you can grow in the garden. Performs best in hot weather and...
Pea Seeds - Snap - Sugar Ann
Non-GMO. Heirloom. Sugar Ann Snap Pea Vegetable Garden Seeds. Pisum sativum. Sugar snap peas are a cross between garden and snow peas, as Sugar Ann Snap Peas were later developed...
Strawberry Seeds - Berries Galore Hybrid Pink
Package of 100 seeds. 75 days. Everbearing runner variety. In full sun, medium-large fruit saturated with sweetness and nutritious goodness; a fast grower; can be harvested every 3 to 4...
Lettuce Seeds - Leaf - Ruby Red
Non-GMO Ruby Red Leaf Lettuce is ready in 35-45 days. Lettuce forms compact plants with loose, crumpled reddish-green leaves. Ruby Red is the darkest red of all red lettuces, won't...
Hyssop Seeds
Non-GMO, Heirloom Hyssop Herb Garden Seed from True Leaf Market. Hyssopus officinalis. Hyssop is a flowering perennial herb native to regions in the Middle East. Shrub-like common Hyssop plants are...
Kale Seeds - White Russian
White Russian Kale Seeds. 50 Days. Brassica napus. Non-GMO, Open Pollinated. White Veined, cold tolerant, flavorful kale. Great for full grown kale at 50 days, Baby Greens at 20 days,...
Pak Choi Seeds - White Stem - Organic
40 Days to maturity. Brassica rapa var. chinensis (33 days) Organic White Stem Pak Choi Seeds. Who can resist Baby Pak Choy! This is White Stem or 'Baby Bok Choy',...
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