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]()
Artichoke Seeds - Purple Romagna
85-100 days. Cynara scolymus. Purple Romagna Artichoke Seeds. Non-GMO, tender perennial, heirloom, open-pollinated. This crop is suitable for garden plots, raised beds, or field production. Purple Romagna is an Italian...
Bacopa Seeds - Utopia (MSP)
56-63 Days to maturity. Sutera cordata. Utopia Bacopa Seeds. Non-GMO, annual. Utopia bacopa flower garden seeds (Bluetopia & Snowtopia) grow one of summer's most exciting bedding, trailing, and hanging plants....
Amaranthus Seeds - Hopi Red Dye (Organic)
A plant with many uses that was historically used by the Hopi Nation. Tender and colorful young leaves are excellent for salads or a micro greens mix. Grind seed with...
Flowering Cabbage Seeds - Osaka Series
91-98 Days to maturity. Brassica oleracea var. capitata. Osaka Flowering Cabbage Seeds. Non-GMO, cool weather annual. Osaka Series Osaka Flowering cabbage seeds grow a classic and elegant swirl of color...
Pepper Seeds - Sweet - Purple Beauty Bell (Organic)
70 Days to maturity (from transplant). Capsicum annuum. Organic Purple Beauty Bell Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, organic, high-yielding, drought tolerant, sweet pepper with no heat. 0 Scoville Heat...
Pak Choi Seeds - Red Tatsoi - Hybrid
45 Days to full maturity, 20-30 Days for baby leaf, 10-15 Days for microgreens. Brassica rapa subsp. narinosa. Red Tatsoi, Pak Choi Seeds. Annual, Hybrid. Cool Season. This vigorous hybrid...
Carrot Seeds - Purple Haze Hybrid
70 days. The Purple Haze carrot produces roots with a beautiful blend of purple and orange that looks almost tie dye-like. Each carrot has a deep purple exterior with a...
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...
Lavender Seeds - Spike
100+ Days to maturity. Lavandula latifolia. Spike Lavender Seeds. Non-GMO, perennial, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, and raised beds. Spike Lavender is a sun-loving, aromatic...
Heliotrope Seeds - Marine
91-98 Days to maturity. Heliotropium arborescens. Heliotrope Marine Seeds. Non-GMO, Annual. Ornamental. Marine heliotrope seeds are fragrant and delicate, yet hardy grow where others would decline. It is easy to...
Basil Seeds - Dark Opal
Non-GMO, Heirloom Dark Opal Basil Herb Seed from True Leaf Market. Ocimum basilicum x purpurascens. As basil has many different varieties, Dark Opal Basil Herb is a striking heirloom that...
Alyssum Seeds - Easter Bonnet Series (Raw or MSP)
63-77 Days to maturity. Lobularia maritima. Easter Bonnet Series Alyssum Multi-seed Pelleted Seeds. Non-GMO, Open-Pollinated, Annual. Open-pollinated, multi-pelleted seeds. Easter Bonnet Series Alyssum seeds promise delicate and early spring blooms...
Beet Seeds - Green Top Bunching
Beta vulgaris (60 days) Green Top Bunching beets have flattened globe shaped roots. Beet roots are red and tasty. Perfect for cooking or pickling. Approx. 1,500 seeds/ounce. Beet Seeds -...
Kale Seeds - Red
Red Kale Seeds. Brassica napus. Annual. Open Pollinated, Heirloom, Non-GMO. Excellent option for growing as a microgreen. 8 to 12 days for microgreen harvest, 20 to 25 days for baby...
Vetch Seeds - Common
An amazing addition to any garden's bare land, this legume can loosen your soil and add nitrogen. This is a farmers staple feed for cattle, horses, or even rabbits. Read...
Mustard Seeds - Red Garnet
40 Days to maturity. Brassica juncea. Red Garnet Mustard Seeds. Non-GMO, Annual. Red Garnet Mustard is much like its related Japanese Red Giant and Japanese Giant Garnet cousins displaying a...
Mint Seeds - Pennyroyal
90 Days to maturity. Mentha pulegium. Pennyroyal Mint Seeds. Non-GMO, annual or perennial, open-pollinated, heirloom. Suitable for growing in containers, garden plots, raised beds, and greenhouses. Pennyroyal Mint is a...
Colorful Mustard Microgreens Seed Mix
8 to 12 days. A colorful mix of non-GMO mustard seed varieties. A blend that exhibits the spice and color unique to each mustard seed variety included in this mix....
Pepper Seeds - Hot - Firecracker
120-140 Days to maturity (from transplant). Capsicum annuum. Firecracker Hot Pepper Seeds. Non-GMO, annual, heirloom, open-pollinated, deer-resistant, heat-tolerant, hot pepper with hot heat levels. 30,000-40,000 Scoville Heat Units. Suitable for...
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...
Pepper Seeds - Sweet - Pretty N Sweet Hybrid
100-109 Days to maturity (from transplant). Capsicum annuum. Pretty N Sweet Hybrid Pepper Seeds. Non-GMO, annual, F1 hybrid, AAS winner, heat tolerant, drought tolerant, sweet pepper with no heat levels....
Coleus Seeds - Black Dragon
84-91 Days to maturity. Plectranthus scutellarioides. Coleus Black Dragon Seeds. Non-GMO, Annual. Black Dragon coleus seeds are a tidy and exotic grow ideal for many hot and humid gardens across...
Salvia Seeds - Sizzler Series
63-66 Days to maturity. Salvia splendens. Salvia Sizzler Series Seeds. Non-GMO, perennial or annual. Ornamental. Sizzler Series seeds promise exotic, early-blooming, and easy-to-grow salvia plants for especially hot, humid gardens...
Basil Seeds - Purple Ruffles
Non-GMO, Heirloom Purple Ruffles Basil Herb Seed from True Leaf Market. Ocimum basilicum x purpurascens. As basil has many different types, Purple Ruffles Basil is a sweet cultivar that grows...
Radish Seeds - China Rose - Organic
55 days. This popular radish for sprouting produces crisp rose colored winter radishes. Radishes are 8" long by 2" wide with rose colored skin and white flesh. Not suitable for...
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...
Pollinator Flower Seeds - Butterfly Feed Mix
Butterfly Flower Mix 2 gram per packet This colorful mix of annual and perennial flowers provides nectar to many butterfly species, inlcluding monarchs, brushfoots, skippers, sulphurs and swallowtails. The mix...
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...
Bean Seeds - Pole - Purple Mart Tsu In Yard...
75-80 Days to maturity. Vigna unguiculata subsp. sesquipedalis. Purple Mart Tsu In Yard Long Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat-tolerant, pole, snap, Asian, specialty bean. Suitable for growing in...
Pepper Seeds - Sweet - Rainbow Bell Blend
60-69 Days to maturity (from transplant). Capsicum annuum. Rainbow Bell Blend Pepper Seeds. Non-GMO, annual, high yielding, drought tolerant, sweet pepper with no heat levels. 0 Scoville Heat Units. Suitable...
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