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]()
Mung Bean - Organic - Sprouting Seeds
2-4 Days to Harvest. Vigna radiata. Organic Mung Bean Sprouting Seeds. Mung bean sprouts are arguably the most widely used sprouts. This organic seed is a great starter sprout that...
Peppermint Seeds
90 Days. Peppermint Culinary Herb Seeds. Mentha sp. Non-GMO. A deliciously versatile and bright herb, peppermint seeds are a naturally occurring hybrid between culinary spearmint and watermint. Grown very similar...
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....
Lemon Balm Seeds
Melissa officinalis Perennial. Non-GMO, Heirloom Lemon Balm Herb Garden Seed from True Leaf Market. Melissa officinalis. Lemon Balm resides in the mint family and is native to regions in West...
Spearmint Seeds
50-70 Days to maturity. Mentha spicata. Spearmint Seeds. Non-GMO, perennial, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Enjoy the vibrant, fruity aroma of...
Bean Seeds - Bush - BeSweet Edamame Soybean
75-105 Days to maturity. Glycine max. BeSweet Edamame Bean Seeds. Non-GMO, annual, open-pollinated, bush, shell, soybean, high-yielding, Asian bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Moringa Seeds
160-170 Days to maturity. Moringa oleifera. Moringa Seeds. Non-GMO, Perennial, Deciduous Softwood Tree. Moringa is also known as the Drumstick Tree, Horseradish Tree, and Ben Oil Tree. It is enjoyed...
Pak Choi Seeds - White Stem
Up to 33 days. Pak Choi is also known as Bok Choy. The plant produces large, green leaves off a thick, white stem. Leaves have a mild and peppery flavor,...
Peppermint Seeds (Organic)
Perennial herb garden seeds. Certified Organic by Oregon Tilth. Non-GMO, Heirloom Peppermint Herb Garden Seed from True Leaf Market. Mentha sp. Peppermint plants are cool perennial and hybrid mints native...
Garbanzo Bean - Organic - Sprouting Seeds
2-5 Days. Cicer arietinum. High Germination. Organic. Sprouting. Widely known as chickpea or chana, non-GMO Organic garbanzo beans are one of the most nutritious and protein-rich sprouting seeds. Ready to...
Kale Seeds - Dwarf Siberian
50-60 days. Dwarf Siberian Kale is a high yielding variety high in nutrients. This crop is leafy and bright green in color. Dwarf Siberian Kale is versatile and can be...
Bean Seeds - Pole - Oriental Yard Long
85 Days to maturity. Vigna unguiculata subsp. sesquipedalis. Oriental Yard Long Pole Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat-tolerant, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden...
Bean Seeds - Pole - Qing Bain
50-55 Days to maturity. Phaseolus vulgaris. Qing Bian Pole Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, drought tolerant, pole, snap, romano, Asian bean. Suitable for growing in containers, garden plots, raised...
Basil Seeds - Thai
60-90 days. Non-GMO, Open-pollinated, Heirloom Thai Basil Herb Seed from True Leaf Market. Ocimum basilicum var. thyrsiflora is native to various Asian regions, such as India and Iran. As basil...
Gourds Seeds - Luffa Sponge
100+ days. 12 to 18 inches fruits are dried and seeded to make durable sponges. Approximately 320 seeds/oz. Luffa Gourd seeds yield green gourds that can be used for making...
Bean Seeds - Pole - Winged Bean
80-100 Days to maturity. Psophocarpus tetragonolobus. Winged Bean Seeds. Non-GMO, annual, heirloom, open-pollinated, heat-tolerant, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Cress Seeds - Watercress
Non-GMO, Heirloom Watercress Herb Garden Seed from True Leaf Market. Nasturtium officinale. Watercress, also known as "Yellowcress" is a hardy perennial native to regions in Asia and Europe. This trailing...
Thai Basil Seeds - Siam Queen
Non-GMO, Heirloom Siam Queen Thai Basil Herb Seed from True Leaf Market. Ocimum basilicum. As basil has many different types, Siam Queen Thai Basil is a sweet cultivar that originated...
Anise Seeds
Non-GMO, Open-pollinated, Heirloom Anise Herb Seeds from True Leaf Market®. Pimpinella anisum is native to the Mediterranean and Southeast Asia regions. The Anise herb and seeds, known as Aniseed, have...
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...
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...
Shiso Herb Seeds (Perilla) - Korean
70 days to maturity. Perilla frutescens var. frutescens. Korean Shiso Herb Seeds (Perilla). Warm season annual. Perilla is a lovely Korean herb that is a vivid green on the top...
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...
Basil Seeds - Lemon
Non-GMO, Lemon Basil Herb Seed from True Leaf Market. Ocimum basilicum x citriodorum is native to India. As basil has many different varieties, Lemon Basil Herb is considered non-sweet and...
Pepper Seeds - Sweet - Shishito
60-69 Days to maturity (from transplant). Capsicum annuum. Shishito Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, sweet-type pepper with little to mild heat levels. 100 to 1,000 Scoville Heat Units....
Basil Seeds - Green Leaf Holy Basil
65-75 days maturity. Ocimum sanctum. Green Leaf Holy Basil Seeds. Non-GMO, Heirloom. Annual. Holy basil is an essential herb in the Thai kitchen due to its unique flavor. It is...
Molokhia - Egyptian Spinach Seeds
60 Days to maturity. Corchorus olitorius. Egyptian Spinach Molokhia Seeds. Warm-season annual heirloom. Egyptian Spinach Molokhia, also called jute leaf, is not a true spinach. It is grown for the...
Radish Seeds - Watermelon
60-65 days. Watermelon Radish Seeds. Raphanus sativus. Non-GMO. Heirloom. AKA: "Roseheart Radish" or "Red Meat Radish". Watermelon Radish seeds are native to China and a cousin to Daikon radish. Watermelon...
Roselle Seeds - Asian Sour Leaf (Hibiscus)
70-90 day maturity. Hibiscus sabdariffa. Asian Sour Leaf Roselle Seeds. Non-GMO, Cool-season perennial heirloom. This unique perennial can be grown as an annual in areas where it will not survive...
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',...
Shiso Herb Seeds (Perilla) - Purple (Red)
Non-GMO, Heirloom Purple Shiso Perilla Herb Garden Seed from True Leaf Market. AKA: Red Shiso. Perilla frutescens var. crispa. Purple Shiso is a warm annual native to India and China....
Cucumber Seeds, Japanese - Progress - Hybrid
50-60 Days to Maturity.Cucumis sativus Progress Japanese Cucumber Seeds F1. Hybrid. Non-GMO. Annual. Non-GMO. This Japanese cucumber has glossy, green, smooth skin and is crisp and very tasty. This is...
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