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]()
Spinach Seeds - Green Vines Supreme Malabar
60 days. Basella alba. Green Vines Supreme Malabar Spinach Seeds. Non-GMO, warm-season annual/perennial, heirloom, open-pollinated. This crop is suitable for trellised garden plots, raised beds, and large containers. This spinach...
Wildflower Seeds - Low Growing Mix
Annual and perennial mix. Low Growing Mix wildflower seeds grow a classic, vibrant yet modest spin on traditional wildflower mixes. Low Growing Mix seeds are a unique blend of small...
Tomato Seeds - Cherry - Suncherry Extra Sweet Hybrid
65 Days to maturity (from transplant). Solanum lycopersicum. Suncherry Extra Sweet Japanese Tomato Seeds. Non-GMO, annual, hybrid, indeterminate cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
French Marigold Seeds - Disco Series (Coated)
56-63 Days to maturity. Tagetes patula. Disco Series French Marigold Seeds. Non-GMO, annual, open-pollinated. Disco Series French marigold seeds are an adorable, compact, and vibrant addition to grow in any...
Watermelon Seeds - Picnic - Striped Klondike Blue Ribbon
77-80 Days to maturity. Citrullus lanatus. Striped Klondike Blue Ribbon Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. First bred in...
Tomato Seeds - Slicing - Delicious
77 Days to maturity (from transplant). Solanum lycopersicum. Delicious Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Echinacea Seeds - Magnus
70-84 days maturity. Echinacea purpurea. Echinacea Magnus Seeds. Non-GMO, Heirloom, Perennial. Magnus echinacea seeds grow one of the summer's most celebrated and resilient blooms. These sturdy stems and flat petals...
Delphinium Seeds - Magic Fountains Series
2nd-year maturity. Delphinium elatum. Delphinium Magic Fountains Series Seeds. Non-GMO, Perennial. Magic Fountains Series delphinium seeds promise some of the most stunning, bold, and vivid blooms available in any garden....
Corn Seeds - Sweet - Silver King Hybrid
80-90 Days to maturity. Zea mays. Silver King Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone...
Artichoke Seeds - Imperial Star
150-160 days from sowing. Cynara scolymus. Imperial Star Artichoke Seeds. Non-GMO, perennial. This is suitable for garden plots, raised beds, and fields. UC-bred, nearly spineless plants for first-year harvests—uniform, high-yielding...
Grow and Store Garden Seeds 21 Variety
21 varieties of vegetable garden seeds. Specially dried and sealed for long term emergency seed storage. Shelf life up to 10 years. Seeds should be a key component of any...
Corn Seeds - Ornamental - Indian
100-110 Days to maturity. Zea mays. Ornamental - Indian Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Flint Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Coleus Seeds - Wizard Series (Pelleted)
84-91 Days to maturity. Plectranthus scutellarioides’Wizard Series’. Coleus Wizard Series Seeds. Non-GMO, Annual. Wizard Series coleus seeds are a simple, compact, yet spectacular Asian showstopper perfect for many diverse gardens...
French Marigold Seeds - Bonanza Series (Coated)
56-63 Days to maturity. Tagetes patula. Bonanza Series French Marigold Seeds. Non-GMO, annual, open-pollinated. Bonanza Series French marigold seeds are brilliant, easy to grow, and renowned for their hardiness and...
Bean Seeds - Bush - California Black-Eye Cowpeas
75 Days to maturity. Vigna unguiculata. California Black-Eyed Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, bush, shelling bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses. Cowpeas, or...
Corn Seeds - Sweet - Honey Select Hybrid
80 Days to maturity. Zea mays. Honey Select Hybrid Corn Seeds. Non-GMO, annual, AAS winner, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat...
Watermelon Seeds - Picnic - Tendersweet Orange
Citrullus lanatus (90 days) Yummalicious orange, crisp, sweet, watermelon that is not only colorful, but also intensely tasty. Watermelon Seeds - Tendersweet Orange This is the standard for orange fleshed...
Digitalis (Foxglove) Seeds - Mixed Color
2nd-year maturity. Digitalis purpurea. Digitalis Mixed Color Seeds. Non-GMO, Perennial. Mixed Color foxglove seeds grow classic and delicate blooms where other flowers would wither. Mixed Color seeds deliver compact 12-18"...
Shasta Daisy Seeds - Alaska
2nd-year maturity. Leucanthemum × superbum. Shasta Daisy Alaska Seeds. Non-GMO, Perennial. Ornamental. Shasta daisy Alaska seeds promise classic, home-grown American color to your home, patio, or garden this season. Alaska...
Echinacea Seeds - Cheyenne Spirit
70-80 days maturity. Echinacea x hybrida. Echinacea Cheyenne Spirit Seeds. Non-GMO, Heirloom, Perennial. Echinacea grows as a warm-season perennial and flowering herb native to Central North America. This vigorous echinacea...
Squash Seeds - Winter - Blue Hubbard
Blue Hubbard Squash is a blue-gray-green slightly ridged and warted winter squash variety. it's best attributes is its long storage time (6 months!) and its perfectly sweet taste. Don't let...
Cosmos Seeds - Bright Lights
56-63 days. Bright Lights cosmos seeds grow a playful, robust, and familiar annual sown among sunflowers and wildflowers. Bright Lights seeds grow hardy, drought tolerant cosmos shrubs as high as...
Zinnia Seeds - State Fair Mix
60 - 80 days. Zinnia elegans. Annual. State Fair Mix Zinnia seeds grow some of the tallest and brightest Zinnias growing this summer. State Fair Mix Zinnia seeds deliver brilliant...
Zinnia Seeds - Thumbelina Mixture
60-70 Days to maturity. Zinnia elegans. Thumbelina Mix Zinnia Seeds. Non-GMO, AAS Winner, annual. Thumbelina Mix Zinnia flower seeds are a small, adorable, and vibrant addition to grow in any...
Coleus Seeds - Rainbow Mixture
84-91 Days to maturity. Plectranthus scutellarioides. Coleus Rainbow Mixture Seeds. Non-GMO, Annual. Rainbow Mix coleus seeds are a fun plant for many gardens across the country. Rainbow Mix seeds grow...
Purslane Seeds - Golden
35 days. Purslane Golden is one terrific green! Super healthy, it is loaded with Omega 3- more than any other leafy vegetable, more than many fish oil, and has a...
Bean Seeds - Pole - Red Noodle Yard Long
50-75 Days to maturity. Vigna unguiculata subsp. sesquipedalis. Red Noodle Yard Long Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat-tolerant, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden...
Thyme Seeds - Winter (Organic)
95 Days to maturity. Thymus vulgaris. Organic Winter Thyme Seeds. Non-GMO, perennial, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Common Thyme, German Thyme,...
Cucumber Seeds - Armenian Striped
50-75 Days to maturity. Cucumis melo. Armenian Striped Cucumber Seeds. Non-GMO, annual, open-pollinated, heirloom, monoecious, slicing cucumber. Suitable for growing in fields, containers (with support), garden plots, raised beds, and...
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