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 - Japanese - Ichiba Kouji Hybrid
55-60 Days to maturity. Cucumis melo. Ichiba Kouji Japanese Hybrid Melon Seeds. A non-GMO, annual, hybrid, heat tolerant, drought tolerant, Asian Melon. Suitable for growing in garden plots, raised beds,...
Tomato Seeds - Cherry - Chadwick Cherry (Organic)
70 to 90 Days to maturity (from transplant). Solanum lycoperscium. Tomato - Chadwick Cherry Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate cherry tomato. Suitable for growing in garden plots,...
Squash Seeds - Winter - Delicata Bush AAS
Delicata Bush AAS Winter Squash Seeds. 80 - 100 days to maturity. 2002 National AAS Winner. Can be grown in containers. Cucurbita pepo. Annual. Heirloom. Healthy semi-bush 3-4 ft. vines,...
Sunflower Seeds - Lemon Queen
80-100 Days to maturity. Helianthus annus. Lemon Queen Sunflower Seeds. Non-GMO, open-pollinated, heirloom, annual, multi-branching sunflower. This bright sunflower features light, lemony petals and a light brown center that demands...
Tomato Seeds - Slicing - Caribe
85 Days to maturity (from transplant). Solanum lycoperscium. Caribe Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant to...
Cucumber Seeds - Saladmore Bush Hybrid F1
55 Days to maturity. Cucumis sativus. Saladmore Bush Hybrid Cucumber Seeds. Non-GMO, annual, F1 hybrid, 2014 AAS winner. Suitable for growing in fields, containers (with support), garden plots, raised beds,...
Tomatillo Seeds - Cape Gooseberry Large Fruit
90-120 days. Physalis peruviana. Cape Gooseberry Large Fruit Tomatillo Seeds. Non-GMO, warm-season annual, heirloom, open-pollinated. This crop is suitable for garden plots, raised beds, and larger containers. This strain will...
Cucumber Seeds - Suyo Long (Organic)
60 Days to maturity. Cucumis sativus. Organic Suyo Long Cucumber Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, parthenocarpic, slicing, burpless, Asian cucumber. Suitable for growing in fields, containers (with support), garden...
Hypoestes Seeds - Splash Select Series
74-84 Days to maturity. Hypoestes phyllostachya. Splash Select Series Hypoestes Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, annual. Open Pollinated. Splash Select Series Hypoestes seeds grow adorable, colorful foliage for shaded...
Cosmos Seeds - Cosmic Mix
56-63 Days to maturity. Cosmos sulphureus. Cosmic Mix Cosmos Seeds. Non-GMO, annual, Heirloom, Open Pollinated. Cosmic Mix seeds grow an elegant and award-winning cosmos that promises to invigorate any stale...
Bean Seeds - Bush - Harvester
55 Days to maturity. Phaseolus vulgaris. Harvester Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, bush, snap green bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
French Marigold Seeds - Dainty Marietta
50-65 Days to maturity. Tagetes patula' Dainty Marietta'. Dainty Marietta French Marigold Seeds. Non-GMO, annual, open-pollinated. This drought-tolerant French Dwarf Marigold is truly one of a kind. The striking yellow...
Melon Seeds - Cantaloupe - Athena Hybrid
75 Days to maturity. Cucumis melo. Athena Hybrid Cantaloupe Melon Seeds. A non-GMO, annual, hybrid, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant to...
Tomato Seeds - Salad - Moneymaker
75 Days to maturity (from transplant). Solanum lycopersicum. Moneymaker Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, heat tolerant, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds,...
Cucumber Seeds - Soarer - Hybrid
55-60 Days to maturity. Cucumis sativus ‘Soarer’. Soarer Cucumber Seeds. Warm-season annual hybrid. Non-GMO. Soarer is valued particularly for its flavor. This Japanese burpless cucumber hybrid is easy to grow...
Tomato Seeds - Cherry - Sweetie (Organic)
65-70 Days to maturity (from transplant). Solanum lycoperscium. Organic Sweetie Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Gourds Seeds - Large & Small Mix
Large and Small Gourd Mix is ready in 90-120 days. This mix of small and large, non-gmo gourd seeds is a collection of gourds that will grow into different shapes...
Okra Seeds - Cows Horn
Abelmoschus esculentus (55 days) This heirloom okra dates back to around the Civil War. It has a twisted shape that resembles a cow's horn. These large pods can reach 14"...
Sunflower Seeds - Sungold Dwarf
Helianthus annuus (80 days) Sunflower Dwarf is also known as "Teddy Bear". Sungold grows 24" to 36" tall and has profusion of bushy yellow sunflowers. Very easy to grow and...
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...
Coleus Seeds - Chocolate Covered Cherry (Pelleted)
84-91 Days to maturity. Plectranthus scutellarioides. Coleus Chocolate Covered Cherry Seeds. Non-GMO, Annual. Chocolate Covered Cherry coleus seeds are a stunning, simple, and exotic tropical plant ideal for many hot...
Lupine Seeds - Sweet Lupine - Moonshine
10-14 Days to Harvest. Lupine luteus. Moonshine Sweet Lupine Microgreens Seeds. Non-GMO, flower microgreens, high germination, unique appearance. Lupine microgreens can easily grow indoors, requiring minimal space and time. With...
Corn Seeds - Dent - Pencil Cob
Zea mays Pencil Cob (73-100 days) is was named this way because the cob can be as thin as a pencil. This produces long and deep kernels. 73-100 Days to...
Bean Seeds - Bush - Royalty Purple Pod (Organic)
50-65 Days to maturity. Phaseolus vulgaris. Organic Royalty Purple Pod Bush Bean Seeds. Non-GMO, annual, open-pollinated, organic, heirloom, high-yielding, bush, snap bean. Suitable for growing in containers, garden plots, raised...
Tomato Seeds - Paste - San Marzano Indeterminate (Organic)
85 Days to maturity (from transplant). Solanum lycoperscium. San Marzano Indeterminate (Organic) Tomato Seeds. Non-GMO, annual, open-pollinated, organic, heirloom, indeterminate, paste tomato. Often compared to the famous Roma tomato in...
Agastache Seeds - Korean Mint
55-65 days to maturity. Agastache rugosa. Korean Mint Agastache Seeds. Non-GMO, Heirloom, Perennial in Zones 4-9. Korean Mint is a drought-tolerant aromatic herb in the mint family that is native...
Bean Seeds - Bush - Golden Wax (Organic)
50-55 Days to maturity. Phaseolus vulgaris. Organic Golden Wax Bush Bean Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, high-yielding, bush, snap wax bean. Suitable for growing in containers, garden plots, raised...
Ageratum Seeds - Blue Horizon (Pelleted)
77-91 Days to maturity. Ageratum houstonianum. Blue Horizon Ageratum Seeds. Non-GMO, Ornamental, Annual. Open-pollinated flower seeds. Blue Horizon flower seeds grow one of the season’s most exclusive blooms of exotic...
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