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 - Salad - Husky Gold
65-75 Days to maturity (from transplant). Solanum lycopersicum. Husky Gold Salad Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, 1993 AAS winner, indeterminate, salad tomato. Suitable for growing in garden...
Wildflower Seeds - Backyard Bird Lover's Mix
60-90 Days to maturity. Backyard Bird Lover’s Wildflower Mix Flower Seeds. Non-GMO, open-pollinated. A mix of annuals, perennials, and biennials for zones 3, 4, 5, 6, 7, 8, and 9....
Pumpkin Seeds - Harvest Bush F1
Harvest Bush F1 Hybrid Pumpkin Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 70 to 75 days to maturity. Can be grown in containers. Pumpkin Harvest Bush F1 is a true...
Poppy Seeds - Danish Flag
60-75 Days to maturity. Papaver somniferum. Danish Flag Poppy Flower Seeds. Non-GMO, annual, open-pollinated, heirloom flowers. This very large flowering variety of poppy produces crimson red flowers with a distinct...
Tomato Seeds - Slicing - Manyel
75 to 91 Days to maturity (from transplant). Solanum lycoperscium. Manyel Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Carrot Seeds - St. Valery
70-100 Days to maturity. Daucus carota var. sativus. St Valery Carrot Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom seeds. A very old, heirloom carrot strain that produces smooth, uniform orange-red roots...
Tomato Seeds - Salad - Red Zebra
75-80 Days to maturity (from transplant). Solanum lycopersicum. Red Zebra Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds, greenhouses,...
Tomato Seeds - Slicing - Containers Choice Yellow Hybrid
70 Days to maturity (from transplant). Solanum lycoperscium. Containers Choice Yellow Hybrid Tomato Seeds. Non-GMO, annual, hybrid, determinate, slicing tomato. Suitable for growing in garden plots, raised beds, greenhouses, and...
Melon Seeds - Cantaloupe - Emerald Gem
70-90 Days to maturity. Cucumis melo var. cantalupensiso. Emerald Gem Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and...
Pepper Seeds - Sweet - Gold Horn Hybrid
70 Days to maturity (from transplant). Capsicum annuum. Gold Horn Hybrid Pepper Seeds. Non-GMO, annual, F1 hybrid, high-yielding, sweet pepper with no heat levels. 0 Scoville Heat Units. Suitable for...
Amaranthus Seeds - Splendens Perfecta Tricolor
70-80 Days to maturity. Amaranthus tricolor. Splendens Perfecta Tricolor Amaranthus Seeds. Non-GMO, annual, open-pollinated, heirloom, ornamental foliage Amaranth. This crop is suitable for garden plots, raised beds, and containers. Also...
Amaryllis Bulbs - 24/26 - Fantastica
1 Bulb Bag This is a pre-order item that is expected to ship in Late October to November for fall planting. Other seeds, supplies, or kits ordered with this product...
Amaryllis Bulbs - 24/26 - Laforest Morton
1 Bulb Bag This is a pre-order item that is expected to ship in Late October to November for fall planting. Other seeds, supplies, or kits ordered with this product...
Tomato Seeds - Slicing - Double Rich
60-80 Days to maturity (from transplant). Solanum lycopersicum. Double Rich Tomato Seeds. Non-GMO, warm season annual, open-pollinated, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Amaryllis Bulbs - 24/26 - Maria Goretti
1 Bulb Bag This is a pre-order item that is expected to ship in Late October to November for fall planting. Other seeds, supplies, or kits ordered with this product...
Amaryllis Bulbs - 24/26 - Red Lion
1 Bulb Bag This is a pre-order item that is expected to ship in Late October to November for fall planting. Other seeds, supplies, or kits ordered with this product...
Tomato Seeds - Green Cherry
75-85 Days to Maturity. Solanum lycopersicum. Green Cherry Tomato Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate cherry tomato. Small firm fruit borne in clusters, measure about 0.75 to 1 inch...
Cauliflower Seeds - Snowball Early
70-80 days to maturity. Brassica oleracea var. botrytis. Early Snowball Cauliflower Seeds. Non-GMO, annual, open-pollinated, heirloom cauliflower seeds. This is suitable for growing in garden plots, raised beds, containers, and...
Tomato Seeds - Salad - Pride of the Trials
75-80 Days to maturity (from transplant). Solanum lycopersicum. Pride of the Trials Tomato Seeds. Non-GMO, warm season annual, open-pollinated, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds,...
Corn Seeds - Sweet - Eden RMN F1 Hybrid
74 days to maturity. Zea mays. Eden RMN Hybrid Corn Seeds. Non-GMO, annual, F1 Hybrid, augmented supersweet (sh2i) corn. This crop is suitable for growing in fields, garden plots, and...
Tomato Seeds - Marmande
70-75 days to maturity (from transplant). Solanum lycopersicum. Marmande Tomato Seeds. Non-GMO, warm-season annual, open-pollinated, heirloom. Suitable for growing in garden plots, raised beds, and greenhouses. Marmande is the original...
Barley Seeds - Belford
70-90 Days to Maturity. Hordeum vulgare. Belford Barley Seeds. Non-GMO, open-pollinated. Annual. Belford is a classic spring-type, six-row, hooded (beardless) barley that has been a trusted choice for home farmers...
Corn Seeds - Sweet - Golden Halo F1 Hybrid
75 days to maturity. Zea mays. Golden Halo Hybrid Sweet Corn Seeds. Non-GMO, annual, F1 hybrid, augmented supersweet (sh2i) corn seed. This crop is suitable for growing in fields, garden...
Tomato Seeds - Slicing - Oxheart Orange
80 Days to maturity (from transplant). Solanum lycopersicum. Oxheart Orange Tomato Seeds. Non-GMO, warm-season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Caraway Seeds (Organic) - Clearance Seeds
31% Germination - Non-refundable clearance seeds. 455 Days to maturity. Caraway Seeds. Caraway is an attractive and useful plant suitable for flower, herb, and kitchen gardens. The fruit, which contains...
Kale Seeds - Garden Blend - Clearance Seeds
66% Germination - Non-refundable clearance seeds. 70-80 Days to maturity. Garden Blend Kale Seeds. Short description. These clearance Garden Blend Kale seeds are 9% below germination standards. Approx 8,000 seeds/oz.Click...
Melon Seeds - Oshiro Uri Numane - Clearance Seeds
72% Germination - Non-refundable clearance seeds. 70 Days to maturity. Oshiro Uri Numane Pickling Melon Seeds. The Numane melon is a delicious traditional Japanese pickling melon. It grows as a...
Watermelon Seeds - Picnic - Summer Color Mix
Summer Color Mix Watermelon Seeds. 70 to 100 days to maturity. Citrullus lanatus. Open Pollinated. Annual. A mixture of red pink white yellow and orange fleshed seeded watermelons. Approximately 400...
Basil Seeds - Romanesco Improved
Romanesco Improved Basil Seeds. 70 days to maturity. Ocimum basilicum. Open Pollinated, Annual. Can be grown in containers. Can be grown as sprouts. Our new and improved Basil Romanesco is...
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