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]()
Melon Seeds - Cantaloupe - Hales Best Jumbo
85-110 Days to maturity. Cucumis melo. Hale's Best Jumbo Cantaloupe Melon Seeds. A non-GMO, annual, heirloom, open-pollinated, heat-tolerant, drought-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and...
Dill Seeds - Bouquet (Organic)
Non-GMO, Heirloom Organic Bouquet Dill Herb Garden Seed from True Leaf Market. Anethum graveolens. Organic Bouquet Dill grows fast-maturing cool-season annuals and is native to West Asia and regions in...
Tomato Seeds - Cherry - Sungold Hybrid
57 Days to maturity (from transplant). Solanum lycoperscium. Sungold Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, greenhouses, containers, and...
Stainless Steel Wide Mouth Sprouting Jar Lid
Premium 316 stainless steel sprouting jar lids with curved mesh form maximum ventilation. These dishwasher-safe sprout lids fit almost any wide-mouth mason-style jar, converting it into a kitchen countertop sprouter....
Chives Seeds - Garlic
85-90 Days to maturity. Allium tuberosum. Non-GMO, heirloom Garlic Chives Herb Garden Seed. Chives are native to regions in Asia and Europe. Garlic chive cultivars are also called "Chinese Chives"...
Pepper Seeds - Hot - TAM Jalapeno
65-80 Days to maturity (from transplant). Capsicum annuum. Tam Jalapeno Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, deer resistant, heat tolerant, drought tolerant, hot-type pepper with medium heat levels. 1,000 to...
Tomato Seeds - Paste - Roma (Organic)
76 Days to maturity (from transplant). Solanum lycoperscium. Roma (Organic) Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, determinate, paste tomato. Suitable for growing in garden plots, raised beds,...
Cilantro Seeds - Leisure Splits - Microgreens Seeds
Non-GMO. Coriandrum sativum. This split seed has had the individual seeds separated from the multi-seed pods in which they grow naturally. Sometimes called 'monogerm cilantro', these seeds are better for...
Nasturtium - Jewel Mix - Microgreens Seeds
14-16 days. Nasturtium microgreen seeds pack a powerhouse of flavor when in the microgreen stage. They have beautiful variegated colors, especially in this Jewel Mix. Also known as nasturtium shoots,...
Petunia Seeds - Supercascade Series (pelleted)
98-105 Days to maturity. Petunia x hybrida Supercascade Series Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Supercascade Series seeds will delight your garden with the largest and most robust...
Radish Seeds - Cherry Belle
21-28 days. Cherry Belle Radish Seeds. Raphanus sativus. Non-GMO. Heirloom. Visually stunning, uniform, and quick to maturity in about 25 days, Cherry Belle radish is one of the most reliable...
Beet - Bulls Blood - Microgreens Seeds
11-21 days. Beets are a more advanced microgreen but well worth the effort because of its stunning color and bold flavor. It takes a bit more time to mature, but...
Crimson Clover - Cover Crop Seeds
70-90 Days. Trifolium incarnatum. Cover Crop. Non-GMO. Annual. Heirloom crimson clover seeds are an ideal annual garden companion and cover crop for plants and soils deficient in nitrogen. Use to...
Mixed Greens Seeds- Mesclun Mix
35-75 days. This mesclun mix grows into vibrant greens that can be harvested anywhere from baby leaf to adult stage. This seed grows well in most areas of the US...
Watermelon Seeds - Mini - Sugar Baby
75-80 Days to maturity. Citrullus lanatus. Sugar Baby Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, mini watermelon. Suitable for growing in garden plots and large containers (minimum 7...
Lavender Seeds - Common English (aka Vera)
2nd Year Maturity. Non-GMO, Heirloom Common English Lavender Herb Garden Seed from True Leaf Market. Also known as Vera Lavender. Lavandula angustifolia. Lavender is a flowering perennial herb, native to...
Buckwheat (Organic) - Microgreens Seeds
7 to 14 days. Organic Buckwheat Seeds. Buckwheat grows tall quickly, and loves sunlight. Early leaves may emerge yellow as the shell drops off, but will green up well in...
Radish Seeds - Daikon Minowase
Raphanus sativus (45 days) AKA Japanese Minowase Daikon Radish. Daikon is a root vegetable reported to have originated in the Mediterranean and brought to China for cultivation around 500 B.C....
Pepper Seeds - Sweet - Golden Cal Wonder
72 Days to maturity (from transplant). Capsicum annuum. Golden Cal Wonder Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, drought tolerant, sweet-type, with no heat levels. 0 Scoville Heat Units. Suitable...
Radish - Triton Purple - Microgreens Seeds
6-10 days. This variety was developed specifically to produce reddish stems. Sprout stems are a colorful light purplish red with bright green cotyledons. And although the stems aren't as red...
Tomato Seeds - Salad - Better Boy Plus Hybrid
70 Days to maturity (from transplant). Solanum lycoperscium. Better Boy Tomato Seeds. Non-GMO, annual, hybrid, heat tolerant, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Pepper Seeds - Sweet - Sweet Banana
70 Days to maturity (from transplant). Capsicum annuum. Sweet Banana Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, sweet pepper with mild heat levels. Drought tolerant, heat tolerant. 0 to 500 Scoville...
Squash Seeds - Winter - Vegetable Spaghetti
80-100 days. Vegetable Spaghetti Winter Squash Seeds. Cucurbita pepo. Non-GMO. Open Pollinated. Grow your own pasta replacement with Vegetable Spaghetti Winter squash seeds. This spaghetti squash is ready in just...
Pea - Speckled - Microgreens Seeds
Speckled Pea Seeds. Pisum sativum. Non-GMO, Open Pollinated. Also known as: Arivka Peas, Arivka Field Peas, Arivka Forage Peas, 4010 peas. These speckled peas are incredibly popular as both a...
Nasturtium Seeds - Jewel Mix
54-63 Days to maturity. Tropaeolum majus. Organic Nasturtium Jewel Mix Seeds. Non-GMO, annual, heirloom. Jewel Mix nasturtium is brilliant, easy to grow from seed, and perfectly suited for many dry...
Lettuce Seeds - Butterhead - Buttercrunch
60-70 days. Buttercrunch Lettuce Seeds. Lactuca sativa. Non-GMO. Open Pollinated. An award-winning and absolutely hardy cultivar of butter head, Buttercrunch is tender, delicious, and looks as good in the garden...
Tomato Seeds - Paste - San Marzano Indeterminate
85 Days to maturity (from transplant). Solanum lycoperscium. San Marzano (Indeterminate) Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, paste tomato. Often compared to the famous Roma tomato in terms of...
Kale Seeds - Vates Blue Scotch Curled
60-70 days. Vates Blue Scotch Curled Kale Seeds. Brassica oleracea var. acephalla. Non-GMO. Heirloom. The premier variety of curled kale, Vates Blue Scotch is a tenacious cold-weather favorite known to...
Oregano Seeds - Common Italian (Organic)
90 days. Organic Oregano Culinary Herb Seeds. Origanum vulgare. Perennial. Non-GMO. Organic culinary oregano seeds deliver one of the more pronounced, robust, aromatic herbs in the mint family. Tenacious and...
Stevia Seeds - Sweet Herb
40 to 60 days. Stevia rebaudiana Annual in cold climates. 40 to 60 days. Non-GMO, Heirloom Sweet Stevia Herb Garden Seed from True Leaf Market. Stevia rebaudiana. Stevia is a...
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