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.
50
100
true
//store.trueleafmarket.com/cdn/shop/t/54/assets/review-fallback.json?v=33078429469613971781712858278
![Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites]()
Petunia Seeds - Tidal Wave Series (pelleted)
98-105 Days to maturity. Petunia x hybrida. Tidal Wave Series Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Open Pollinated. Tidal Wave Series petunia seeds grow one of the season’s...
Nicotiana Seeds (Ornamental Tobacco} - Jasmine
70+ Days to maturity from transplant. Nicotiana alata. Jasmine Nicotiana Ornamental Tobacco Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in containers, garden plots, flower borders, and greenhouses. Jasmine Nicotiana...
Bean Seeds - Bush - Garbanzo (Organic)
100 Days to maturity. Cicer arietinum. Organic Garbanzo Bean Seeds. Non-GMO, annual, organic open-pollinated, heirloom, bush, shell, specialty, sprouting bean. Suitable for growing in containers, garden plots, raised beds, and...
Collards Seeds - Champion
75-85 days. Brassica oleracea var. viridis. Champion Collards seeds grow huge, slightly crumpled, juicy leaves. These collards leaves are cabbage-like, with a dark blue-green color. Champion collards has a mild...
Amaranth Seeds - Green Leaf - Lu Hsien
45-70 days to maturity.Amaranthus mangostanus ‘Lu Hsien’. Lu Hsien Green Leaf Amaranth Seeds. Non-GMO, Heirloom, annual. Amaranth is originally from the tropics of multiple continents; today, it is grown globally....
Pepper Seeds - Sweet - Chinese Giant (Organic)
73-90 Days to maturity (from transplant). Capsicum annuum. Organic Chinese Giant Pepper Seeds. Non-GMO, annual, open-pollinated, organic, heirloom, sweet pepper with no heat. 0 Scoville Heat Units. Suitable for growing...
Squash Seeds - Winter - Sweet Dumpling
The sweet and tender flesh of the Sweet Dumpling squash is a fall favorite for many. Planted in the spring for a fall harvest, non-GMO, heirloom Sweet Dumpling squash seeds...
Watermelon Seeds - Mini - Golden Midget
60-70 Days to maturity. Citrullus lanatus. Golden Midget Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, mini watermelon. Bred by Elwyn Meader and Albert Yaeger at U of...
Cabbage Seeds - Danish Ballhead
100 days. The Danish Ballhead cabbage heirloom was produced in 1887. The seeds are ideally sown for a Fall garden, growing into blue-green cabbage heads. A cold-hardy plant that can...
Pea Seeds - Snow - Dwarf Sugar Gray
60 to 65 days. Pisum sativum. Dwarf Sugar Gray Snow Pea Seeds. Non-GMO, annual, heirloom, open-pollinated. One of the most versatile snow peas you can grow, Dwarf Sugar Gray produces...
Corn Seeds - Sweet - Country Gentleman
90 Days to maturity. Zea mays. Country Gentlemen Corn Seeds. Non-GMO, annual, open-pollinated, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone regions....
Delphinium Seeds - Pacific Giant Series
2nd-year maturity. Delphinium cultorum. Delphinium Pacific Giant Series Seeds. Non-GMO, Perennial. Growing Pacific Giant Series delphinium seeds this season is a classic and vibrant way to invigorate a stale flowerbed,...
Celosia Seeds - Plumed - Castle Series
70-85 Days to maturity. Celosia plumosa. Castle Series Plumed Celosia Flower Seeds. Non-GMO, Annual flower. These classic Plumed Celosias are high performers throughout the summer, boasting densely packed and vibrantly...
Radish - Minowase - Microgreens Seeds
6 to 10 days. A Daikon-type of radish microgreen with cool white stems and dark green cotyledons. Minowase Radish is an ideal microgreen on the spicy side of flavor, but...
Pepper Seeds - Sweet - Shishito (Organic)
60-80 Days to maturity. Capsicum annuum var. grossum. Organic Shishito Sweet Pepper Seeds. Non-GMO, heirloom, open-pollinated, organic, cool weather annual. This thin-skinned and sweet pepper is popular in Asian market....
Chard Seeds - Perpetual Spinach
Not spinach at all, but because it still keeps giving healthy green leaves during the heat when most spinach has gone to seed it does seem perpetual or never ending....
Cucumber Seeds - English Telegraph
60 Days to maturity. Cucumis sativus. English Telegraph Cucumber Seeds. Non-GMO, annual, open-pollinated, heirloom, monoecious, slicing cucumber. Suitable for growing in fields, containers (with support), garden plots, raised beds, and...
Pepper Seeds - Hot - Anaheim Chili (Organic)
70-79 Days to maturity (from transplant). Capsicum annuum. Organic Anaheim Chili Pepper Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, deer resistant, heat tolerant, drought tolerant, hot-type pepper with mild heat levels....
Barley - Purple (Organic) - Sprouting Seeds
2-3 Days to Harvest. Hordeum vulgare. Organic Purple Barley Sprouting Seeds. Organic. Non-GMO. Sprouting. These Organic Purple Barley seeds have no hull but are perfect for sprouting. Originally discovered in...
Cucumber Seeds - China Long - Hybrid
50-60 Days to maturity. Cucumis sativus ‘China Long’. China Long Cucumber Seeds. Warm-season annual hybrid. Non-GMO. China Long is an early maturing sooyow type cucumber. This cucumber has very spiny...
Pea Seeds - Early Frosty
Non-GMO, Heirloom Early Frosty Pea Vegetable Garden Seed from True Leaf Market. Pisum sativum. Peas in general, are an ancient annual crop found in the Mediterranean and African regions. Around...
Pepper Seeds - Sweet - Orange King Bell
85 Days to maturity (from transplant). Capsicum annuum. Orange King Bell Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, drought tolerant, high-yielding, sweet pepper with no heat. 0 Scoville Heat Units. Suitable...
Tomato Seeds - Slicing - Chefs Choice Orange Hybrid
75 Days to maturity (from transplant). Solanum lycopersicum. Chef’s Choice Orange Hybrid Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, AAS winner, heat tolerant, indeterminate, slicing tomato. Suitable for growing...
Dun (Dundale) Pea - Sprouting Seeds
2-4 Days. Pisum sativum subsp. arvense. Non-GMO. Sprouting. High Germination. Sweet and bright just like traditional green pea, non-GMO Dun pea sprouting seeds offer a unique European cultivar harvested specifically...
Cucumber Seeds - Marketmore 80
60-70 Days to maturity. Cucumis sativus. Marketmore 80 Cucumber Seeds. Non-GMO, annual, open-pollinated, heirloom, monoecious, slicing cucumber. Suitable for growing in fields, containers (with support), garden plots, raised beds, and...
Squash Seeds - Summer - Zucchini Elite Hybrid
46 days. A new virus tolerant strain which produces high yields of attractive, truly green, slightly tapered fruit with few freckles of yellow. Open areas promote ease in harvesting. Continues...
Cress - Upland - Microgreens Seeds
Has a peppery tangy flavor and aroma that is popular on sandwiches. Use sparingly in micro salads for adding tang and spice. A fast grower. Great to add spice on...
Perlite Soil Amendment
Pure horticultural-grade Perlite. Granule size about one-eighth of an inch. Perlite is made from all-natural volcanic rock that is heated under pressure until it explodes like popcorn, leaving a white...
Bean Seeds - Bush - Gold Rush Wax
50-65 Days to maturity. Phaseolus vulgaris.Wax Gold Rush Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, AAS winner, bush, snap, wax bean. Suitable for growing in containers, garden plots, raised beds,...
Corn Seeds - Dent - Hickory King White
115 Days to maturity. Zea mays. Hickory King White Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Dent Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
[
{
"featured_image": "files/petunia-tidal-wave-series-pelleted-flower-seed-comp.jpg",
"secondary_image": "products/petunia-tidal-wave-series-pelleted-hot-pink-flower-wm_700.jpg",
"price": 369,
"handle": "petunia-tidal-wave-series-pelleted-flower-seed",
"title": "Petunia Seeds - Tidal Wave Series (pelleted)",
"url": "/products/petunia-tidal-wave-series-pelleted-flower-seed",
"available": true
},
{
"featured_image": "files/tobacco-seeds-jasmine-tobacco-seeds-comp.jpg",
"secondary_image": "products/Seed_Packet_feb09e27-6884-4492-95e1-45327aaf0158.jpg",
"price": 359,
"handle": "tobacco-seeds-jasmine-tobacco-seeds",
"title": "Nicotiana Seeds (Ornamental Tobacco} - Jasmine",
"url": "/products/tobacco-seeds-jasmine-tobacco-seeds",
"available": true
},
{
"featured_image": "files/garbanzo-bean-seeds-organic-comp.jpg",
"secondary_image": "products/seeds-organic-garbanzo-sprouting-seeds-macro-shot-of-garbanzo-sprouting-seed-com-wm.jpg",
"price": 517,
"handle": "garbanzo-bean-seeds-organic",
"title": "Bean Seeds - Bush - Garbanzo (Organic)",
"url": "/products/garbanzo-bean-seeds-organic",
"available": true
},
{
"featured_image": "files/collards-champion-seeds-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_099a25f5-0cab-434a-a07b-641ee5884392.png",
"price": 299,
"handle": "collards-champion-seeds",
"title": "Collards Seeds - Champion",
"url": "/products/collards-champion-seeds",
"available": true
},
{
"featured_image": "files/amaranth-seeds-green-leaf-lu-hsien-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_16dce5fd-b65d-4982-9289-03f7502eb536.png",
"price": 399,
"handle": "amaranth-seeds-green-leaf-lu-hsien",
"title": "Amaranth Seeds - Green Leaf - Lu Hsien",
"url": "/products/amaranth-seeds-green-leaf-lu-hsien",
"available": true
},
{
"featured_image": "files/organic-chinese-giant-pepper-seeds-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-oz-sm_1_1_2_ac9ce9c4-2708-44ff-9893-881c1fa30417.jpg",
"price": 379,
"handle": "organic-chinese-giant-pepper-seeds",
"title": "Pepper Seeds - Sweet - Chinese Giant (Organic)",
"url": "/products/organic-chinese-giant-pepper-seeds",
"available": true
},
{
"featured_image": "products/1637693681_bootstrap-tray-green-holes-com-wm.jpg",
"secondary_image": "",
"price": 1679,
"handle": "bootstrap-farmer-1020-trays-drain-holes-green",
"title": "1020 Heavy Duty Microgreens Trays - With Holes - Green - Shallow",
"url": "/products/bootstrap-farmer-1020-trays-drain-holes-green",
"available": true
},
{
"featured_image": "files/Squash_Winter_Sweet_Dumpling_Group_Comp.jpg",
"secondary_image": "files/Squash_Winter_Sweet_Dumpling_Comp.jpg",
"price": 339,
"handle": "squash-winter-sweet-dumpling-seeds",
"title": "Squash Seeds - Winter - Sweet Dumpling",
"url": "/products/squash-winter-sweet-dumpling-seeds",
"available": true
},
{
"featured_image": "files/watermelon-golden-midget-com-wm_1222x1222_32520d05-63c8-4ae1-a13e-fec6667042a4.jpg",
"secondary_image": "products/Seed_Packet_84b28605-f2ef-4a05-9077-1498b1a1781b.jpg",
"price": 359,
"handle": "golden-midget-watermelon-seeds",
"title": "Watermelon Seeds - Mini - Golden Midget",
"url": "/products/golden-midget-watermelon-seeds",
"available": true
},
{
"featured_image": "files/cabbage-danish-ballhead-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_29486bcc-c642-4e3f-89f6-a5e50265fd38.png",
"price": 299,
"handle": "cabbage-danish-ballhead",
"title": "Cabbage Seeds - Danish Ballhead",
"url": "/products/cabbage-danish-ballhead",
"available": true
},
{
"featured_image": "files/pea-snow-dwarf-sugar-grey-comp.jpg",
"secondary_image": "products/SeedPouch_7b7d282b-30a4-40a9-a86a-b339860799a3.jpg",
"price": 309,
"handle": "pea-snow-dwarf-sugar-grey",
"title": "Pea Seeds - Snow - Dwarf Sugar Gray",
"url": "/products/pea-snow-dwarf-sugar-grey",
"available": true
},
{
"featured_image": "files/country-gentleman-corn-seed-comp.jpg",
"secondary_image": "products/SSC-generic-packet_1_a02021b6-f834-4605-ba3f-cc88aaba6b30_1_2.jpg",
"price": 307,
"handle": "country-gentleman-corn-seed",
"title": "Corn Seeds - Sweet - Country Gentleman",
"url": "/products/country-gentleman-corn-seed",
"available": true
},
{
"featured_image": "files/delphinium-pacific-giant-series-flower-seeds-comp.jpg",
"secondary_image": "products/delphinium-pacific-giant-series-blue-bird-flower-wm_700.jpg",
"price": 299,
"handle": "delphinium-pacific-giant-series-flower-seeds",
"title": "Delphinium Seeds - Pacific Giant Series",
"url": "/products/delphinium-pacific-giant-series-flower-seeds",
"available": true
},
{
"featured_image": "files/celosia-plumed-castle-series-flower-seeds-Comp.jpg",
"secondary_image": "products/celosia-plumed-castle-series-yellow-seed-wm_700.jpg",
"price": 299,
"handle": "celosia-plumed-castle-series-flower-seeds",
"title": "Celosia Seeds - Plumed - Castle Series",
"url": "/products/celosia-plumed-castle-series-flower-seeds",
"available": true
},
{
"featured_image": "files/Radish-Daikon-Organic-comp_f49cad81-b6bf-4293-8647-aae21aacd5c4.jpg",
"secondary_image": "products/1674161011_CopyofKItazawa-WM-Green_600x600px_37.jpg",
"price": 399,
"handle": "radish-sprouting-minowase-seeds",
"title": "Radish - Minowase - Microgreens Seeds",
"url": "/products/radish-sprouting-minowase-seeds",
"available": true
},
{
"featured_image": "files/pepper-seeds-hot-shishito-organic-comp.jpg",
"secondary_image": "files/Pepper-Hot-Shishito-Organic-In-Hands_61e1cbff-d746-4ee6-baee-1b292364418c.jpg",
"price": 399,
"handle": "pepper-seeds-hot-shishito-organic",
"title": "Pepper Seeds - Sweet - Shishito (Organic)",
"url": "/products/pepper-seeds-hot-shishito-organic",
"available": true
},
{
"featured_image": "files/chard-perpetual-spinach-com-wm_1222x1222_09512174-f478-4214-9106-c9635937b665.jpg",
"secondary_image": "products/Seed_Packet_f14f776b-6687-4dd9-9ce1-85347e6102ef.jpg",
"price": 299,
"handle": "perpetual-spinach-chard",
"title": "Chard Seeds - Perpetual Spinach",
"url": "/products/perpetual-spinach-chard",
"available": true
},
{
"featured_image": "files/english-telegraph-cucumber-seed-Comp.jpg",
"secondary_image": "products/Seed_Packet_6a0bca40-94a2-4b04-b991-d0b57d456612.jpg",
"price": 479,
"handle": "english-telegraph-cucumber-seed",
"title": "Cucumber Seeds - English Telegraph",
"url": "/products/english-telegraph-cucumber-seed",
"available": true
},
{
"featured_image": "files/organic-anaheim-chili-pepper-Comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_703c7bb6-dcb9-4008-a1b3-40f2acc03243.jpg",
"price": 359,
"handle": "organic-anaheim-chili-pepper",
"title": "Pepper Seeds - Hot - Anaheim Chili (Organic)",
"url": "/products/organic-anaheim-chili-pepper",
"available": true
},
{
"featured_image": "files/Barley-Purple-Organic-Sprouting-Seeds-comp.jpg",
"secondary_image": "products/purple-barley-grain-wm_700.jpg",
"price": 841,
"handle": "organic-purple-barley-sprouting-seed",
"title": "Barley - Purple (Organic) - Sprouting Seeds",
"url": "/products/organic-purple-barley-sprouting-seed",
"available": true
},
{
"featured_image": "files/China_Long_Cucumber_Comp_3fd891de-1dca-4f2e-a5ec-1764b7aa0390.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_4f9aa9cd-a17e-431e-96e7-b221f7737e3a.png",
"price": 399,
"handle": "cucumber-seeds-china-long-hybrid",
"title": "Cucumber Seeds - China Long - Hybrid",
"url": "/products/cucumber-seeds-china-long-hybrid",
"available": true
},
{
"featured_image": "files/pea-early-frosty-comp.jpg",
"secondary_image": "products/SeedPouch_ba8eb95d-9e8b-4798-b1cd-aca9c27e00e7.jpg",
"price": 329,
"handle": "pea-early-frosty",
"title": "Pea Seeds - Early Frosty",
"url": "/products/pea-early-frosty",
"available": true
},
{
"featured_image": "files/orange-king-bell-pepper-comp.jpg",
"secondary_image": "products/Seed_Packet_1_2c5f7142-a028-4b7f-9e3e-d5f3a0bceb25.jpg",
"price": 359,
"handle": "orange-king-bell-pepper",
"title": "Pepper Seeds - Sweet - Orange King Bell",
"url": "/products/orange-king-bell-pepper",
"available": true
},
{
"featured_image": "files/chefs-choice-orange-hybrid-f1-tomato-Comp.jpg",
"secondary_image": "products/Seed_Packet_4809151c-d9b0-4ca7-94e5-982402dc7714.jpg",
"price": 539,
"handle": "chefs-choice-orange-hybrid-f1-tomato",
"title": "Tomato Seeds - Slicing - Chefs Choice Orange Hybrid",
"url": "/products/chefs-choice-orange-hybrid-f1-tomato",
"available": true
},
{
"featured_image": "files/Dun-Dundale-Pea-Sprouting-Seeds-comp.jpg",
"secondary_image": "products/dun-pea-seed-close-wm_700.jpg",
"price": 329,
"handle": "dun-pea-sprouting-seed",
"title": "Dun (Dundale) Pea - Sprouting Seeds",
"url": "/products/dun-pea-sprouting-seed",
"available": true
},
{
"featured_image": "files/organic-red-cored-chantenay-carrot-seed-comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_7cd28e46-152a-4b16-81d0-cb8fbef22707.jpg",
"price": 359,
"handle": "organic-red-cored-chantenay-carrot-seed",
"title": "Carrot Seeds - Red Cored Chantenay - Organic",
"url": "/products/organic-red-cored-chantenay-carrot-seed",
"available": true
},
{
"featured_image": "files/marketmore-80-cucumber-seeds-comp.jpg",
"secondary_image": "files/MVS_1_lb.jpg",
"price": 199,
"handle": "marketmore-80-cucumber-seeds",
"title": "Cucumber Seeds - Marketmore 80",
"url": "/products/marketmore-80-cucumber-seeds",
"available": true
},
{
"featured_image": "files/zucchini-elite-hybrid-plant-seed-wm_700_1222x1222_0795b76d-0ca9-4e8c-a859-2c92884f2355.jpg",
"secondary_image": "products/SeedPouch_78667d94-8ff9-4096-ae0a-ee67206388b8.jpg",
"price": 479,
"handle": "squash-summer-zucchini-elite-hybrid-seeds",
"title": "Squash Seeds - Summer - Zucchini Elite Hybrid",
"url": "/products/squash-summer-zucchini-elite-hybrid-seeds",
"available": true
},
{
"featured_image": "files/cress-upland-microgreens-seeds-comp.jpg",
"secondary_image": "products/cress-upland-seeds-wm_700.jpg",
"price": 602,
"handle": "cress-upland-microgreens-seeds",
"title": "Cress - Upland - Microgreens Seeds",
"url": "/products/cress-upland-microgreens-seeds",
"available": true
},
{
"featured_image": "files/perlite-wm_1_1222x1222_0ec1fbb2-971b-46cc-b9b1-c419857199a5.jpg",
"secondary_image": "products/perlite-wb-wm_1.jpg",
"price": 1060,
"handle": "perlite-soil-amendment",
"title": "Perlite Soil Amendment",
"url": "/products/perlite-soil-amendment",
"available": true
},
{
"featured_image": "files/bean-gold-rush-wax-seed-Comp.jpg",
"secondary_image": "products/MVS-generic-packet_3d2eb28b-cdbc-447a-bd94-72a10755e5b7.jpg",
"price": 299,
"handle": "bean-gold-rush-wax-seed",
"title": "Bean Seeds - Bush - Gold Rush Wax",
"url": "/products/bean-gold-rush-wax-seed",
"available": true
},
{
"featured_image": "files/Corn-Seeds-Dent-Hickory-King-White-comp.jpg",
"secondary_image": "products/Seed_Packet_33bd2e66-4c19-40be-b38b-e78e93b7a139_1.jpg",
"price": 279,
"handle": "hickory-king-white-corn-seeds",
"title": "Corn Seeds - Dent - Hickory King White",
"url": "/products/hickory-king-white-corn-seeds",
"available": true
}
]
