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]()
Tomato Seeds - Slicing - Mountain Delight Hybrid
70 Days to maturity (from transplant). Solanum lycoperscium. Mountain Delight Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, determinate, slicing tomato. Resistant to Fusarium Wilt 1 and Verticillium Wilt. Suitable for...
Tomato Seeds - Slicing - Ukrainian Purple
70 Days to maturity (from transplant). Solanum lycopersicum. Ukrainian Purple Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Paste - Sausage
75 Days to maturity (from transplant). Solanum lycoperscium. Sausage Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, paste tomato. This unusual fruit grows up into vines, adding a bit of flair...
Zinnia Seeds - Persian Carpet Mix
75-85 Days to maturity. Zinnia haageana. Persian Carpet Mixed Zinnia Seeds. Non-GMO, organic, annual, heirloom, open-pollinated, 1952 AAS winner. Persian Carpet Mix Zinnia Flower seeds are some of the hardiest...
Garlic Chives Seeds - Geisha AAS
Geisha AAS Garlic Chives Seeds. 75 days to maturity from seed. 30 days to maturity from transplant. 2015 AAS National Winner. Allium tuberosum. Open pollinated, Perennial in zones 3-10. Can...
Tomato Seeds - Slicing - Atkinson
70 Days to maturity (from transplant). Solanum lycopersicum. Atkinson Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, humidity tolerant, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Tomato Seeds - Slicing - Chef's Choice Striped Hybrid
75 Days to maturity (from transplant). Solanum lycopersicum. Chef’s Choice Striped Hybrid Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, indeterminate, slicing tomato. Suitable for growing in garden plots, raised...
Tomato Seeds - Slicing - Black Prince (Organic)
70 Days to maturity (from transplant). Solanum lycopersicum. Organic Black Prince Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Salad - Mini Orange
65-85 Days to maturity (from transplant). Solanum lycopersicum. Mini Orange Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds, and...
Lobelia Seeds - Rosamond
77-84 Days to maturity. Lobelia erinus. Rosamond Lobelia Seeds. Non-GMO, open-pollinated, Premium Quality Seeds, annual. Open Pollinated. Rosamond lobelia seeds grow one of the summer's most exotic, colorful, and exclusive...
Radish Seeds - Wakayama White
60 to 70 Days to maturity. Raphanus sativus. Wakayama White Radish Heirloom Seeds. Cool Season Annual. Wakayama White radishes come from the Wakayama Prefecture in Japan, as the name suggests....
Tomato Seeds - Salad - Cocktail True Red Hybrid
70-75 Days to maturity (from transplant). Solanum lycopersicum. Cocktail True Red F1 Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, determinate, salad tomato. Suitable for growing in garden plots, raised beds,...
Subzero Kale - Cover Crop Seeds
55-70 Days to maturity. Brassica oleracea ’Subzero’. Subzero Kale Cover Crop Seeds. Non-GMO, Annual, Hybrid. This is an outstanding hybrid kale variety with excellent cold tolerance and foraging qualities for...
Basil Seeds - Lettuce Leaf - (Organic)
65-75 Days to maturity. Ocimum basilicum ’Lettuce Leaf’. Lettuce Leaf Basil Herb Seeds. Non-GMO, organic, hybrid, annual. This Japanese variety of basil is similar to the more well-known Italian basil....
Tomato Seeds - Salad - Clear Pink
58-85 Days to maturity (from transplant). Solanum lycopersicum. Clear Pink Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, salad tomato. Suitable for growing in garden plots, raised beds, greenhouses, and containers....
Sorrel Seeds - Red Apache (Organic)
65-75 Days to maturity. Rumex acetosella var. Apache. Organic Red Apache Sorrel Herb Seeds. Non-GMO perennial herb. Sorrel is a perennial herb with a tangy, lemon-earthy flavor often used in...
Tomatillo Seeds - Ground Cherry
Ground Cherry Tomatillo Seeds. 70 days to maturity. Can be grown in containers. Physalis pruinosa. Heirloom. Annual. Approximately 7,500 seeds per ounce. Tomatillo Seeds - Ground Cherry Sweet ripe flavor...
Tomato Seeds - Cherry - Banana Legs
75 Days to maturity (from transplant). Solanum lycoperscium. Banana Legs Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, cherry tomato. Suitable for growing in garden plots, raised beds, greenhouses, and containers....
Carrot Seeds - Thumbelina
60-70 Days to Maturity. Daucus carota var. sativus. Thumbelina Carrot Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom, 1992 AAS winning carrot. This golf ball-sized round carrot is very sweet and thin-skinned....
Endive Seeds - Catalogna Emerald
Catalogna Emerald Endive Seeds. 52 - 83 days to maturity. Cichorium intybus. Heirloom, Annual. Leaves and seed stalks used for early greens, asparagus-like flavor. Approximately 11,200 seeds per ounce Endive...
Tomato Seeds - Cherry - Purple Bumble Bee
70-75 Days to maturity (from transplant). Solanum lycopersicum. Purple Bumble Bee Tomato Seeds. Non-GMO, warm season annual, open-pollinated, indeterminate cherry tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Slicing - Burgundy Traveler
80 Days to maturity (from transplant). Solanum lycopersicum. Burgundy Traveler Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, heat-tolerant, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Melon Seeds - Cantaloupe - Iroquois (Organic)
75-90 Days to maturity. Cucumis melo. Iroquois Organic Cantaloupe Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses....
Tomato Seeds - Slicing - Boy-Oh-Boy Hybrid
75 Days to maturity (from transplant). Solanum lycopersicum. Boy-Oh-Boy Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Boy-Oh-Boy...
Tomato Seeds - Slicing - Traveler 76
77-84 Days to maturity (from transplant). Solanum lycopersicum. Traveler 76 Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, heat tolerant, indeterminate, slicing tomato. Suitable for growing in garden plots, raised...
Tomato Seeds - Slicing - Yellow Perfection (Organic)
75 Days to maturity (from transplant). Solanum lycopersicum. Organic Yellow Perfection Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, potato leaf, slicing tomato. Suitable for growing in garden plots,...
Tomato Seeds - Salad - Plum Lemon
75-95 Days to maturity (from transplant). Solanum lycopersicum. Plum Lemon Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds, and...
Potato - Red Norland (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...
Cerastium Seeds - Snow In Summer - Biebersteinii White
60-90 Days to Maturity. Cerastium biebersteinii. Biebersteinii White Snow in Summer Flower Seeds. Non-GMO, open-pollinated. Perennial in zones 3-8. Deer resistant. Attracts pollinators. Displays white-colored blooms from late spring through...
Tomato Seeds - Slicing - Oxheart Bi Color Striped
55-80 Days to maturity (from transplant). Solanum lycopersicum. Oxheart Bi Color Striped Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised...
Zinnia Seeds - Queeny Lime Blush
75-85 Days to maturity. Zinnia elegans. Queeny Lime Blush Zinnia Flower Seeds. Non-GMO, open-pollinated, annual. Queeny Lime Blush Zinnia Flowers are strikingly unique zinnias that produce large pom-pom blooms of...
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