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]()
Tomato Seeds - Slicing - Long Keeper
78 Days to maturity (from transplant). Solanum lycoperscium. Long Keeper Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant...
Iberis (Candytuft) Seeds - Empress
70-77 days to maturity. Iberis amara. Iberis Empress Seeds. Non-GMO, Annual. Empress Candytuft seeds are an elegant, timeless addition to any garden. Empress iberis seeds grow to highlight and accent...
Watermelon Seeds - Icebox - Bush Sugar Baby (Organic)
75 Days to maturity. Citrullus lanatus. Bush Sugar Baby Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, Icebox watermelon. Suitable for growing in garden plots and large containers...
Cauliflower Seeds - Purple of Sicily
70-90 Days to maturity. Brassica oleracea. Purple of Sicily Cauliflower Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom cauliflower. Purple of Sicily is a standout heirloom cauliflower variety that traces its origins...
Gypsophila Seeds - Covent Garden
77-91 days. Covent Garden gypsophila seeds are an elegant and timeless grow for any garden or summertime bouquet. Covent Garden Baby's Breath matures to convenient 12-18" tall gypsophila ideal as...
Melon Seeds - Galia - Gallo Hybrid
70 Days to maturity. Cucumis melo. Gallo Galia Melon Seeds. A non-GMO, annual, F1 hybrid, heat-tolerant Mini Galia Melon. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Amaranthus Seeds - Early Splendor
70-77 Days to maturity. Amaranthus tricolor. Early Splendor Amaranthus Seeds. Non-GMO, heirloom, annual. Ornamental Plant. Edible. Early Splendor Amaranthus seeds are a stunning, simple, and exotic tropical plant ideal for...
Linum Seeds - Scarlet Flax
77-84 Days to maturity. Linum grandiflorum var. rubrum. Linum Scarlet Flax Seeds. Non-GMO, Annual. Scarlet Flax seeds promise exotic, radiant, and perfectly-suited Linum plants for many dry and temperate climates....
Tomato Seeds - Slicing - Red Siberian
60-70 Days to maturity (from transplant). Solanum lycoperscium. Red Siberian Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, slicing tomato. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Tomato Seeds - Slicing - Brandymaster Yellow Hybrid
70 Days to maturity (from transplant). Solanum lycopersicum. Brandymaster Yellow Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, potato leaf, slicing tomato. Suitable for growing in garden plots, raised beds,...
Pumpkin Seeds - Autumn Gold Bush F1
Autumn Gold Bush F1 Hybrid Pumpkin Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 70 to 75 days to maturity. Pumpkin Autumn Gold Bush F1 is a new take on an...
Tobacco Seeds - Izmir Ozbas
~75-80 Days from transplant to maturity. Nicotiana tabacum. Izmir Ozbas Tobacco Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to...
Rapeseed - Canola (Organic)
74-140 Days to maturity. Brassica napus. Organic Spring Rapeseed Canola Seeds. Non-GMO, organic, open-pollinated biennial. This Organic Spring Rapeseed Canola can be grown as sprouts, microgreens, roots, leafy greens, vegetable...
Tomato Seeds - Slicing - Containers Choice Red Hybrid
70 Days to maturity (from transplant). Solanum lycoperscium. Containers Choice Red Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, determinate, slicing tomato. Suitable for growing in garden plots, raised beds, greenhouses,...
Tomato Seeds - Cherry - Gum Drop Yellow Hybrid
75 Days to maturity (from transplant). Solanum lycoperscium. Gum Drop Yellow Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Nierembergia Seeds - Robe Series
63-84 days to maturity. Nierembergia scoparia. Nierembergia Robe Series Seeds. Non-GMO, Annual. Ornamental. Robe Series nierembergia seeds grow elegant, frost-tolerant, and award-winning blooms when other flowers would wither. Robe Series...
Tomato Seeds - Cherry - Riesenstraube
75-85 Days to maturity (from transplant). Solanum lycopersicum. Riesenstraube Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses. German heirloom...
Hot Radish Seeds - Karaine - Hybrid
70 days to maturity. Raphanus sativus. Karaine Hot Radish Seeds, Hybrid. Cool season annual, non-GMO. Hot radishes are a unique and flavorful variety of daikon that get their name from...
Gourd Seeds - Nam Tao Yao
65-70 days maturity after transplant. Lagenaria siceraria ’Nam Tao Yao’. Nam Tao Yao Gourd Seeds. Non-GMO, warm-season, annual, hybrid. This edible variety is vigorous, disease-tolerant, and high yielding. The fruit...
Tomato Seeds - Paste - Principe Borghese
70-75 Days to maturity (from transplant). Solanum lycoperscium. Principe Borghese Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, paste tomato. Suitable for growing in garden plots, raised beds, greenhouses, containers, and...
Bean Seeds - Bush - Jackson Wonder Lima
65-85 Days to maturity. Phaseolus lunatus. Jackson Wonder Lima Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, drought-tolerant lima bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Iberis (Candytuft) Seeds - Dwarf Fairy Mixture
70-77 days. Dwarf Fairy Mix Candytuft seeds promise an authentic and hardy touch of the Mediterranean in your garden or patio. Dwarf Fairy Mixture iberis seeds grow herbaceous 8-10" tall...
Gypsophila Seeds - Gypsy Deep Rose
56-63 Days to maturity. Gypsophila muralis’. Gypsophila Gypsy Deep Rose Seeds. Non-GMO, Annual. Gypsy Deep Rose Gypsophila seeds are an essential and award-winning crop whether kept in the garden or...
Basil Seeds - Anise
Non-GMO, Heirloom Anise Basil Herb Seed from True Leaf Market. Ocimum basilicum. As basil has many different types, Anise Basil is a sweet cultivar that originated from regions in Southeast...
Watermelon Seeds - Icebox - Early Crimson Treat
70 Days to maturity. Citrullus lanatus. Early Crimson Treat Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, icebox watermelon. Early Crimson Treat Watermelon Seeds. Both light and dark green...
Tobacco Seeds - TN 90 LC
~70 Days from transplant to maturity. Nicotiana tabacum. TN 90 LC Tobacco Seeds. Non-GMO, annual, open-pollinated. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to...
Basil Seeds - Dwarf Greek (Organic)
65-75 Days to maturity. Ocimum basilicum ’Dwarf Greek’. Organic Dwarf Greek Basil Herb Seeds. Non-GMO, heirloom, annual. Dwarf Greek is one of the smallest and oldest varieties of basil available....
Tomato Seeds - Cherry - Gardener's Delight (Organic)
50-80 Days to maturity (from transplant). Solanum lycoperscium. Organic Gardeners Delight Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and...
Zinnia Seeds - Cactus Flowered Mix
75-90 Days to Maturity. Zinnia elegans. Zinnia Cactus Flowered Mix Flower Seeds. Non-GMO, open-pollinated, annual, edible, deer-resistant, and attracts pollinators. Displays pink, purple, red, orange, white, and yellow colored blooms...
Dianthus Seeds - Cottage Pinks
60-90 days to maturity. Dianthus plumarius ’Cottage Pinks’. Dianthus Cottage Pinks Flower Seeds. Non-GMO, open-pollinated, perennial flower. This late spring to mid-summer bloomer has a delightful clove scent when in...
Shiso Herb Seeds (Perilla) - Jeok Ssam Ip
Due to crop failure, this seed is unavailable until 2027. Add your email to receive a notification when it is available again. 70 days to maturity. Perilla frutescens. Shiso Herb...
[
{
"featured_image": "files/basil-seeds-dwarf-greek-organic-Comp.jpg",
"secondary_image": "",
"price": 399,
"handle": "basil-seeds-dwarf-greek-organic",
"title": "Basil Seeds - Dwarf Greek (Organic)",
"url": "/products/basil-seeds-dwarf-greek-organic",
"available": false
},
{
"featured_image": "files/long-keeper-tomato-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-oz-sm_1_1_2_353db436-7306-4d07-af73-3c9bed015ae1.jpg",
"price": 299,
"handle": "long-keeper-tomato",
"title": "Tomato Seeds - Slicing - Long Keeper",
"url": "/products/long-keeper-tomato",
"available": true
},
{
"featured_image": "files/Iberis_Candytuft_Empress_Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-4-oz-sm_243d25d4-b3e1-46eb-b123-aaa21381c158.png",
"price": 299,
"handle": "iberis-candytuft-empress-flower-seed",
"title": "Iberis (Candytuft) Seeds - Empress",
"url": "/products/iberis-candytuft-empress-flower-seed",
"available": true
},
{
"featured_image": "files/tomato-seeds-gardeners-delight-organic-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-lb-com_8f8451ea-031a-4495-9d88-f5f8c5d48a20.jpg",
"price": 359,
"handle": "tomato-seeds-gardeners-delight-organic",
"title": "Tomato Seeds - Cherry - Gardener's Delight (Organic)",
"url": "/products/tomato-seeds-gardeners-delight-organic",
"available": false
},
{
"featured_image": "files/organic-bush-sugar-baby-watermelon-Comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_15e08b79-9373-4cb7-9d7a-93793be211e6.jpg",
"price": 389,
"handle": "organic-bush-sugar-baby-watermelon",
"title": "Watermelon Seeds - Icebox - Bush Sugar Baby (Organic)",
"url": "/products/organic-bush-sugar-baby-watermelon",
"available": true
},
{
"featured_image": "files/1741111194_cauliflower_purple_of_sicily_comp_ec61c58f-7dda-4d67-98ce-a13148d9f604.jpg",
"secondary_image": "files/MVS_1_lb.jpg",
"price": 389,
"handle": "cauliflower-seeds-purple-of-sicily",
"title": "Cauliflower Seeds - Purple of Sicily",
"url": "/products/cauliflower-seeds-purple-of-sicily",
"available": true
},
{
"featured_image": "files/zinnia-seeds-cactus-flowered-mix-Comp.jpg",
"secondary_image": "files/Flower_1lb_43b0254a-a042-464b-97f7-f92d881c65b1.jpg",
"price": 339,
"handle": "zinnia-seeds-cactus-flowered-mix",
"title": "Zinnia Seeds - Cactus Flowered Mix",
"url": "/products/zinnia-seeds-cactus-flowered-mix",
"available": false
},
{
"featured_image": "files/gypsophila-covent-garden-seeds-flower-seed-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-4-oz-sm_106bd86c-1ec8-41dd-b450-d1e1338a5b92.png",
"price": 299,
"handle": "gypsophila-covent-garden-seeds-flower-seed",
"title": "Gypsophila Seeds - Covent Garden",
"url": "/products/gypsophila-covent-garden-seeds-flower-seed",
"available": true
},
{
"featured_image": "files/melon-seeds-galia-gallo-Comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_c411a02a-00f6-4476-b2ee-72fb07a20711.jpg",
"price": 429,
"handle": "melon-seeds-galia-gallo",
"title": "Melon Seeds - Galia - Gallo Hybrid",
"url": "/products/melon-seeds-galia-gallo",
"available": true
},
{
"featured_image": "files/amaranthus-early-splendor-flower-seeds-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-oz-sm_d16b2aad-f699-4084-9f6a-44fdae19e73d.png",
"price": 339,
"handle": "amaranth-early-splendor-flower-seeds",
"title": "Amaranthus Seeds - Early Splendor",
"url": "/products/amaranth-early-splendor-flower-seeds",
"available": true
},
{
"featured_image": "files/scarlet-flax-seeds-Comp.jpg",
"secondary_image": "products/SeedPacket_438bd2ad-b5f6-4abd-91c0-48ea19e061f2.jpg",
"price": 299,
"handle": "scarlet-flax-seeds",
"title": "Linum Seeds - Scarlet Flax",
"url": "/products/scarlet-flax-seeds",
"available": true
},
{
"featured_image": "files/siberian-tomato-seeds-Comp.jpg",
"secondary_image": "products/MVS-generic-packet-com_29058159-8418-452a-9f46-93e17b47ada6.jpg",
"price": 299,
"handle": "siberian-tomato-seeds",
"title": "Tomato Seeds - Slicing - Red Siberian",
"url": "/products/siberian-tomato-seeds",
"available": true
},
{
"featured_image": "files/tomato-seeds-brandymaster-yellow-f1-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-lb-com_f0e861a1-553a-4b15-883b-b04e6a745eb6.jpg",
"price": 489,
"handle": "tomato-seeds-brandymaster-yellow-f1",
"title": "Tomato Seeds - Slicing - Brandymaster Yellow Hybrid",
"url": "/products/tomato-seeds-brandymaster-yellow-f1",
"available": true
},
{
"featured_image": "files/pumpkin-seeds-autumn-gold-bush-f1-Comp.jpg",
"secondary_image": "products/MVS-generic-packet-com_f71ba596-44b1-44e4-8aad-b0022b244d71.jpg",
"price": 399,
"handle": "pumpkin-seeds-autumn-gold-bush-f1",
"title": "Pumpkin Seeds - Autumn Gold Bush F1",
"url": "/products/pumpkin-seeds-autumn-gold-bush-f1",
"available": true
},
{
"featured_image": "files/tobacco-seeds-izmir-ozbis-tobacco-seeds-comp.jpg",
"secondary_image": "products/Seed_Packet_c1a8179e-5cac-4772-994d-d521c7cfe8f4.jpg",
"price": 429,
"handle": "tobacco-seeds-izmir-ozbis-tobacco-seeds",
"title": "Tobacco Seeds - Izmir Ozbas",
"url": "/products/tobacco-seeds-izmir-ozbis-tobacco-seeds",
"available": true
},
{
"featured_image": "products/person-wm-wb-comp_21d09a73-089f-48dc-9bb1-d8a0c47e9997.jpg",
"secondary_image": "products/yellow-wm-wb-comp_812712a9-69f3-4827-913f-5af356740556.jpg",
"price": 359,
"handle": "rapeseed-canola-organic",
"title": "Rapeseed - Canola (Organic)",
"url": "/products/rapeseed-canola-organic",
"available": true
},
{
"featured_image": "files/tomato-seeds-containers-choice-red-f1-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-lb-com_2f05826a-f2de-43d9-8134-fb5807f22ebd.jpg",
"price": 459,
"handle": "tomato-seeds-containers-choice-red-f1",
"title": "Tomato Seeds - Slicing - Containers Choice Red Hybrid",
"url": "/products/tomato-seeds-containers-choice-red-f1",
"available": true
},
{
"featured_image": "files/tomato-seeds-gum-drop-yellow-f1-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-lb-com_1384229f-3d4d-4186-9422-e86665e6779f.jpg",
"price": 199,
"handle": "tomato-seeds-gum-drop-yellow-f1",
"title": "Tomato Seeds - Cherry - Gum Drop Yellow Hybrid",
"url": "/products/tomato-seeds-gum-drop-yellow-f1",
"available": true
},
{
"featured_image": "files/nierembergia-robe-series-flower-seeds-Comp.jpg",
"secondary_image": "products/nierembergia-robe-series-white-seed-wm_700.jpg",
"price": 369,
"handle": "nierembergia-robe-series-flower-seeds",
"title": "Nierembergia Seeds - Robe Series",
"url": "/products/nierembergia-robe-series-flower-seeds",
"available": true
},
{
"featured_image": "files/dianthus-seeds-cottage-pinks-Comp.jpg",
"secondary_image": "files/Flower_1lb_8be3658d-a8f1-4b74-a9ea-8331c293d2a0.jpg",
"price": 299,
"handle": "dianthus-seeds-cottage-pinks",
"title": "Dianthus Seeds - Cottage Pinks",
"url": "/products/dianthus-seeds-cottage-pinks",
"available": false
},
{
"featured_image": "files/tomato-seeds-riesenstraube-Comp.jpg",
"secondary_image": "files/MVS_1_lb.jpg",
"price": 199,
"handle": "tomato-seeds-riesenstraube",
"title": "Tomato Seeds - Cherry - Riesenstraube",
"url": "/products/tomato-seeds-riesenstraube",
"available": true
},
{
"featured_image": "files/hot-radish-seeds-karaine-hybrid-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_82ad794e-a507-4f97-90e5-20e5d2bc2dc1.png",
"price": 199,
"handle": "hot-radish-seeds-karaine-hybrid",
"title": "Hot Radish Seeds - Karaine - Hybrid",
"url": "/products/hot-radish-seeds-karaine-hybrid",
"available": true
},
{
"featured_image": "files/gourd-seeds-nam-tao-yao-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_42f5be9e-3560-4b88-87bc-c4510dcf3056.png",
"price": 399,
"handle": "gourd-seeds-nam-tao-yao",
"title": "Gourd Seeds - Nam Tao Yao",
"url": "/products/gourd-seeds-nam-tao-yao",
"available": true
},
{
"featured_image": "files/tomato-seeds-principe-borghese-Comp.jpg",
"secondary_image": "products/MVS-generic-packet-com_16e0debd-2f3c-4ebe-adf9-3971bee246ae.jpg",
"price": 299,
"handle": "tomato-seeds-principe-borghese",
"title": "Tomato Seeds - Paste - Principe Borghese",
"url": "/products/tomato-seeds-principe-borghese",
"available": true
},
{
"featured_image": "files/Bean-Lima-Jackson-Wonder.jpg",
"secondary_image": "files/MVS_1_lb.jpg",
"price": 433,
"handle": "bean-seeds-lima-jackson-wonder",
"title": "Bean Seeds - Bush - Jackson Wonder Lima",
"url": "/products/bean-seeds-lima-jackson-wonder",
"available": true
},
{
"featured_image": "files/Iberis_Candytuft_Dwarf_Fairy_Mixture_Comp.jpg",
"secondary_image": "files/Iberis_Candytuft_Dwarf_Fairy_Mixture_Comp_f9229577-7425-4516-a9d3-1264ac3c6311.jpg",
"price": 299,
"handle": "iberis-candytuft-dwarf-fairy-mixture-flower-seed",
"title": "Iberis (Candytuft) Seeds - Dwarf Fairy Mixture",
"url": "/products/iberis-candytuft-dwarf-fairy-mixture-flower-seed",
"available": true
},
{
"featured_image": "files/gypsophila-gypsy-series-deep-rose-flower-seed-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-oz-sm_87d6c284-395d-4889-86d9-92e3d4f0dbbf.png",
"price": 339,
"handle": "gypsophila-gypsy-series-deep-rose-flower-seed",
"title": "Gypsophila Seeds - Gypsy Deep Rose",
"url": "/products/gypsophila-gypsy-series-deep-rose-flower-seed",
"available": true
},
{
"featured_image": "files/basil-seeds-anise-Comp.jpg",
"secondary_image": "",
"price": 399,
"handle": "basil-seeds-anise",
"title": "Basil Seeds - Anise",
"url": "/products/basil-seeds-anise",
"available": true
},
{
"featured_image": "files/shiso-herb-seeds-perilla-jeok-ssam-ip-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_8e1aa091-0fa7-4099-bf0d-713d12e12239.png",
"price": 399,
"handle": "shiso-herb-seeds-perilla-jeok-ssam-ip",
"title": "Shiso Herb Seeds (Perilla) - Jeok Ssam Ip",
"url": "/products/shiso-herb-seeds-perilla-jeok-ssam-ip",
"available": false
},
{
"featured_image": "files/Veronica-Romanesco-Hybrid-Below-Standard-Low-Germ-Comp_1_bf5b31db-4e79-4e8c-a0ab-a3720f50365b.jpg",
"secondary_image": "files/MVS_1_lb.jpg",
"price": 420,
"handle": "cauliflower-seeds-veronica-romanesco-hybrid-clearance-seeds",
"title": "Cauliflower Seeds - Veronica Romanesco Hybrid - Clearance Seeds",
"url": "/products/cauliflower-seeds-veronica-romanesco-hybrid-clearance-seeds",
"available": false
},
{
"featured_image": "products/watermelon-early-crimson-treat-conventional-l-com-wm_1.jpg",
"secondary_image": "products/MVS-generic-packet-com_2.jpg",
"price": 299,
"handle": "watermelon-seeds-early-crimson-treat",
"title": "Watermelon Seeds - Icebox - Early Crimson Treat",
"url": "/products/watermelon-seeds-early-crimson-treat",
"available": true
},
{
"featured_image": "products/tn-90-lc-tobacco-com-wm.jpg",
"secondary_image": "products/Seed_Packet_322e57fe-d88f-409b-8dc2-c3493bd22fed.jpg",
"price": 359,
"handle": "tn-90-lc-tobacco",
"title": "Tobacco Seeds - TN 90 LC",
"url": "/products/tn-90-lc-tobacco",
"available": true
}
]
