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]()
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...
Flower Mix - Zinnia Special Collection
Attract pollinators all season long with beautiful multi-colored zinnia blooms. Zinnias are not only one of the loveliest flowers in the garden, but they are also easy to grow and...
Sorghum Seeds - Rox Orange Syrup Cane
Rox Orange Syrup Cane. Sorghum. Sorghum bicolor. 70-80 days. Open Pollinated. Heirloom. Non-GMO. AKA: Broom Corn. Though technically a variety of grass, Rox Orange Syrup sorghum grows a dramatic and...
Marigold Seeds - Nematode Control
60-70 Days to maturity. Tagetes patula. Nematode Control Marigold Seeds. Non-GMO, annual, open-pollinated. This drought-tolerant and deer-resistant marigold is an outstanding tool in any gardener’s tool belt. As a specially...
Pepper Seeds - Sweet - Shishito (Organic)
60-80 Days to maturity. Capsicum annuum var. grossum. Organic Shishito Sweet Pepper Seeds. Non-GMO, heirloom, open-pollinated, organic, cool weather annual. This thin-skinned and sweet pepper is popular in Asian market....
Oats and Peas Cover Crop Seed Mix
50-70 Days to termination. Oat and Peas Cover Crop Mix Seeds. Non-GMO, annual, winter-killing, no-till, forage-friendly. Plant as a spring, summer, or fall cover crop to restore vital nutrients and...
Basil Seeds - Thai (Organic)
60-90 Days to maturity. Ocimum basilicum thyrsiflora. Organic Thai Basil Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. On the...
Calendula Seeds - Fancy Mix
50-70 Days to maturity. Calendula officinalis. Fancy Mix Calendula Seeds. Non-GMO, open-pollinated, annual, ornamental herb and flower. Fancy Mix Calendulas are hardy, tolerant of cool temperatures, and produce some strikingly...
Sunflower Seeds - Indian Blanket
75-90 Days to maturity. Helianthus annuus. Indian Blanket Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. Indian Blanket blooms gorgeous flowers that are shades of orange, red, and yellow. These beautiful...
Borage Seeds (Organic)
60-70 Days to maturity. Borago officinalis. Organic Borage Seeds. Non-GMO, annual, open-pollinated, heirloom herb. Borage is commonly referred to as a starflower due to its beautiful, star-shaped blue flowers. This...
Pea Seeds - Snap - Cascadia
60-70 Days to maturity. Pisum sativum. Cascadia Snap Pea Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to powdery mildew...
Zinnia Seeds - Pollinator Flower Mix
Pollinator Mix. Zinnia. Zinnia elegans. 60-80 days. Non-GMO. Open pollinated. Our zinnia pollinator mix attracts hummingbirds and butterflies with a wildflower blend that grows a season-long charm that lives up...
Cosmos Seeds - Sea Shells
75-90 Days to maturity. Cosmos bipinnatus. Sea Shells Cosmos Seeds. Non-GMO, annual, open-pollinated. This unique cosmos variety has multiple tubular petals that create a unique and captivating shape. Sea Shell...
Kale Seeds - Garden Blend
Garden Blend Kale Seeds. 70 - 80 days to maturity. Brassica oleracea. Open-pollinated. Annual. Everyone wants to grow the best of the best in garden performance. Kale Garden Blend's component...
Eggplant Seeds - White Egg
White Egg variety eggplant plants produce fruits that look like actual eggs. Each eggplant is 2-3 inches wide and long, and has a smooth white exterior. Plants produce productive yields,...
Zinnia Seeds - Cut and Come Again (Organic)
60-70 Days to Maturity. Zinnia elegans. Organic Cut and Come Again Zinnia Flower Seeds. Non-GMO, organic, heirloom, open-pollinated flowers. Annual in zones 3, 4, 5, 6, 7, 8, 9, and...
Stock Flower Seeds - Harmony Mix
77-84 Days to maturity. Matthiola incana. Harmony Mix Stock Seeds. Non-GMO, annual, open-pollinated, cold tolerant. Harmony Mix Stock seeds grow fantastically compact and exceptionally fragrant stock flowers that are sure...
Wildflower Seeds - Cutting Mix (Organic)
50-90 Days to maturity. Cosmos bipinnatus, Lobularia maritima, Zinnia elegans, Centaurea cyanus, and Helianthus annuus. Organic Cut Flower Mix Seeds. Non-GMO, Organic, Annuals. The Organic Cut Flower Mix offers a...
Sunflower Seeds - Earthwalker
75-85 Days to maturity. Helianthus annuus ’Earthwalker’. Earthwalker Sunflower Seeds: Non-GMO, open-pollinated, ornamental, annual, drought-tolerant, heat-tolerant, multi-branching sunflower. Earthwalker sunflower seeds grow deeply colored and complement any outdoor space. These...
Corn Seeds - Golden Bantam 8
75-85 Days to maturity. Zea mays. Golden Bantam 8 Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Sweet Corn. Golden Bantam 8, a classic heirloom variety, is a testament to its rich...
Parsley Seeds - Evergreen
70-80 Days to maturity. Petroselinum crispum. Evergreen Parsley Seeds. Non-GMO, annual, AAS Winner, open-pollinated. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Evergreen Parsley features vibrant...
Tomato Seeds - Cherry - Brad's Atomic Grape
75-80 Days to maturity (from transplant). Solanum lycopersicum. Brad's Atomic Grape Tomato Seeds. Non-GMO, warm season annual, open-pollinated, indeterminate grape tomato. Suitable for growing in garden plots, raised beds, greenhouses,...
Bean Seeds - Bush - Phenomenal (Cowpeas)
60-70 Days to maturity. Vigna unguiculata. Phenomenal Cowpea Bean Seeds. Non-GMO, annual, open-pollinated, high-yielding, bush, shelling bean (cowpea). Drought and heat resistant. Suitable for growing in containers, garden plots, raised...
Pea Seeds - Snap - Purple Magnolia
60-70 Days to maturity. Pisum sativum. Purple Magnolia Snap Pea Seeds. Non-GMO, cool-season annual, hybrid snap peas. Suitable for growing in containers, garden plots, raised beds, and greenhouses. The Purple...
Arugula Seeds - Runway
40-60 days to maturity. Eruca sativa. Runway Arugula Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. This outstanding arugula selection is...
Parsley Seeds - Italian Giant
70-80 Days to maturity. Petroselinum crispum. Italian Giant Parsley Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Italian Giant parsley brings...
Parsley Seeds - Double Curled
75 Days to maturity. Petroselinum crispum. Double Curled Parsley Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Double Curled Parsley is...
China Aster Seeds - Colour Carpet Mix
60-90 Days to maturity. Callistephus chinensis. Colour Carpet China Aster Seeds. Non-GMO, ornamental, annual, open-pollinated flower. Colour Carpet China Aster flower garden seeds grow an adorable dwarfed aster plant ideal...
Calendula Seeds - Fiesta Gitana
60-70 Days to maturity. Calendula officinalis ’Fiesta Gitana’. Fiesta Gitana Calendula Seeds. Non-GMO, open-pollinated, heirloom, annual, also known as pot marigold. This one-of-a-kind dwarf marigold, known as Fiesta Gitana, is...
Calendula Seeds - Orange Pacific Beauty (Organic)
60-90 Days to Maturity. Calendula officinalis. Organic Orange Pacific Beauty Calendula Flower Seeds. Non-GMO, heirloom, open-pollinated, organic flower seeds. Annual in zones 3, 4, 5, 6, 7, 8, 9, 10....
Seed Potatoes - Purple Viking (Organic)
This item is a pre-order item and is expected to ship in March for spring planting. Other seeds, supplies, or kits ordered with this product may ship separately. This product...
Endive Seeds - Gourmet Mix
Gourmet Mix endive and chicory is a great addition to a home garden to get a wide variety of textures and flavors in one go. Sow seeds directly outside in...
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