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]()
Spinach Seeds - Giant Noble
Non-GMO. Heirloom. Giant Noble Spinach Vegetable Garden Seed. Spinacia oleracea. The smooth and rich-green leaves of these spinach plants help provide this heirloom's name" as Giant Noble Spinach leaves grow...
Spinach Seeds - Bloomsdale Long Standing (Organic)
35-50 days. Organic Bloomsdale Long Standing Spinach Seeds. Spinacia oleracea. Non-GMO. Heirloom. Organic Bloomsdale Long Standing Spinach provides bright flavor with tender leaves, as this annual is a popular variety...
Arugula Seeds - Slow Bolt (Organic)
40-45 days. Organic Slow Bolt Arugula herb Seeds. Eruca vesicaria sativa. Non-GMO. Organic Slow Bolt arugula seeds are one of the fastest growing crops for home gardeners and, since they...
Spinach Seeds - Bloomsdale Long Standing
35-50 days. Bloomsdale Long Standing Spinach Seeds. Spinacia oleracea. Non-GMO. Open Pollinated. Bloomsdale Spinach seeds came from Philadelphia in the late 19th century by D. Landreth & Sons Seed Company....
Arugula Seeds - Slow Bolt
40-45 days. Eruca vesicaria sativa. Non-GMO. Herb. Annual. Non-GMO Slow Bolt arugula seeds are one of the fastest-growing crops available to home gardeners and, since they are slower to bolt,...
Corn Salad (Mache) Seeds - Dutch Broad Leaved
50 days. Forms rosettes of smooth, spoon-shaped leaves coveted by fine chefs. Prized as early spring green. Fairly hardy this green can be mulched with straw to overwinter in cold...
No-Till Forage Friendly Cover Crop Mix
30-60 Days to termination. No-Till Forage Friendly Cover Crop Seeds. Non-GMO, annual, winter-killing, no-till, and forage-friendly. This mix has been created as a forage-safe option for home gardens, small farms,...
Pak Choi Seeds - Shanghai
Cabbage Seeds - Pak Choi - Shanghai. Heirloom, Non-GMO. Annual. Brassica rapa Chinensis group. 10-15 days microgreens; 20-30 days baby leaf; 45 days full maturity. Cool-season. This green stem variety...
Arugula Seeds - Astro
40-60 days to maturity. Eruca sativa. Astro Arugula Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Slightly lobed, medium green leaves...
Spinach Seeds - America
America Spinach Seeds. 43 to 55 Days. Non-GMO, Open Pollinated, Heirloom. Spinacia oleracea. AKA: American, America Long Standing. The America Spinach variety is tolerant of heat and drought and is...
Cosmos Seeds - Sensation Mixture
49-63 Days to maturity. Cosmos bipinnatus. Sensation Mixture Cosmos Seeds. Non-GMO, annual, Heirloom, Open Pollinated. Sensation Mix cosmos seeds grow some of the season's most timeless and familiar blooms. Sensation...
Hairy Vetch - Cover Crop Seeds
80-90 Days. Vicia villosa. Annual. Heirloom. Non-GMO. Such a vigorous annual cover crop that it is considered invasive in much of the United States, non-GMO hairy vetch is a European...
Arugula Seeds - Rocket (Roquette)
40-50 Days to maturity. Eruca vesicaria ssp. sativa ’Rocket’. Rocket (Roquette) Arugula Seeds. Non-GMO, warm weather heirloom annual. Arugula is a nutrient-dense Mediterranean leafy green that has been cultivated in...
Spinach Seeds - Viroflay
Non-GMO, Heirloom Viroflay Spinach Vegetable Garden Seed from True Leaf Market. Spinacia oleracea. Viroflay Spinach Seeds originate from France around the 17th century and have been cultivated in Paris. The...
Mustard Seeds - Osaka Purple
21 to 45 days. An outstanding mustard of dark green-purple leaves with bright white veins. Harvest at 4 to 6 inches for salad or allow it to grow to full...
Gourd Seeds, Bitter - India - Hybrid
40-55 Days to Maturity (after transplanting). Momordica charantia ’India’. India Bitter Gourd Seeds. Non-GMO, warm-season, annual, hybrid. The India-type bitter melon has dark green skin; this hybrid's 6-8 inch fruits...
Turnip Seeds - Seven Top
45-65 days. Brassica rapa. Seven Top Turnip seeds grow into cool season root vegetables that are biennials, fast growing and referred to as "turnip greens." These heirloom seeds come from...
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....
Yu Choy Sum Seeds - Jung Green
Yu Choy Sum Seeds - Jung Green. Heirloom, Non-GMO. Brassica rapa var parachinesis. 40-45 days. Warm season annual. Flowering Brassica is a fast growing green that can be harvested as...
Chrysanthemum Greens Seeds - Oasis
40-50 Days to maturity. Glebionis coronaria var. oasis. Oasis Chrysanthemum Greens Seeds. Cool-season annual heirloom. Non-GMO. Oasis has small, deeply serrated, dark-green aromatic leaves that are more productive, vigorous, and...
Spinach Seeds - Lakeside - Hybrid
Spinach Seeds - Lakeside - Hybrid. Non-GMO. Spinacea oleracea. 25-30 days maturity for baby leaf, 40-60 days to full maturity. Cool season annual. Lakeside has uniform thick dark green smooth...
Mustard Seeds - Mizuna Red Streaks
45 days. 20 days for baby leaf. With a mild peppery mustard flavor, this green is great for salads as a baby green or a full-size green. The stalk has...
Hairy Vetch - Organic - Cover Crop Seeds
80-90 Days. Vicia villosa. Organic. Annual. Non-GMO. Such a vigorous annual cover crop that it is considered invasive in much of the United States, non-GMO hairy vetch is a European...
Amaranth Seeds - Red Leaf - Hu Hsien
45-70 days to maturityAmaranthus tricolor ‘Hu Hsien’. Red Leaf Amaranth Seeds. Non-GMO, Heirloom. Annual. Amaranth is originally from the tropics of multiple continents; today, it is grown globally. The plant...
Italian Dandelion Seeds
Non-GMO, Heirloom Italian (Chicory) Dandelion Herb Garden Seed from True Leaf Market. Cichorium intybus. This is a tender perennial that originates from Italy and isa type of chicory or endive....
Turnip Seeds - White Egg
Brassica rapa (45-55 days) AKA "Early White Egg" or "Snowball". White egg turnip is a long time favorite in the South where it is know for its reliability and fine...
Gourd Seeds - Nam Tao Ngam - India Type -...
45-50 Days to maturity. Lagenaria siceraria. India Type Nam Tao Ngam Hybrid Seeds. Annual, Hybrid. India Type Nam Tao Ngam produces vigorously growing vines and 18-20" long bright green gourd...
Lettuce Seeds - Heatwave Mix - Organic
The Heatwave Lettuce Mix lettuces that thrive in the heat and remain productive. Our choice" slow-bolt" varieties such as Great Lakes, Iya Sol, and Oakleaf Royal. These lettuce types texture...
Corn Salad Seeds - French
40 days. Valerianella olitoria. French Corn Salad Seeds. Non-GMO, annual, open-pollinated. This crop is suitable for garden plots, raised beds, and containers. French corn salad, also known as mache or...
Orach Seeds - Purple
Non-GMO, Heirloom Purple Orach Vegetable Garden Seed from True Leaf Market. Atriplex hortensis. Purple Orach Seeds originated in Europe and Siberia as one of the oldest grown cool season crops"...
Spinach Seeds - Carmel Hybrid
40 days. Spinacia oleracea. Carmel Hybrid Spinach Seeds. Non-GMO, annual, F1 hybrid. This crop is suitable for garden plots, raised beds, and containers. Carmel is a fast-growing, very uniform hybrid...
[
{
"featured_image": "files/Spinach-Seeds-Giant-Noble-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-oz-sm_1_1_2461a3bb-b9fd-4f34-85f0-7852d66334b9.png",
"price": 299,
"handle": "spinach-giant-noble-seeds",
"title": "Spinach Seeds - Giant Noble",
"url": "/products/spinach-giant-noble-seeds",
"available": true
},
{
"featured_image": "files/Spinach-Bloomsdale-Long-Standing-Organic_35fcb0a5-4313-401f-a522-a5ea92c32684.jpg",
"secondary_image": "products/non-gmo-seed-bag-sus-wm-comp_cbfa71af-6be4-4a25-80d1-6adf63c42cff.jpg",
"price": 359,
"handle": "spinach-bloomsdale-long-standing-organic-seeds",
"title": "Spinach Seeds - Bloomsdale Long Standing (Organic)",
"url": "/products/spinach-bloomsdale-long-standing-organic-seeds",
"available": true
},
{
"featured_image": "files/Arugula-Seeds-Slow-Bolt-Organic-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sus-wm-comp_40cdbb07-cd4b-4de6-a26c-0fe14a96d691.jpg",
"price": 359,
"handle": "arugula-organic",
"title": "Arugula Seeds - Slow Bolt (Organic)",
"url": "/products/arugula-organic",
"available": true
},
{
"featured_image": "files/Spinach-Seeds-Bloomsdale-Long-Standing-Comp.jpg",
"secondary_image": "products/Seed_Packet_1_abf71a22-e93d-407f-badb-95c81bd09a07.jpg",
"price": 299,
"handle": "spinach-bloomsdale-long-standing-seeds",
"title": "Spinach Seeds - Bloomsdale Long Standing",
"url": "/products/spinach-bloomsdale-long-standing-seeds",
"available": true
},
{
"featured_image": "files/Arugula-Seeds-Slow-Bolt-comp.jpg",
"secondary_image": "products/arugula-tray-wm_700.jpg",
"price": 299,
"handle": "arugula-slow-bolt-seeds",
"title": "Arugula Seeds - Slow Bolt",
"url": "/products/arugula-slow-bolt-seeds",
"available": true
},
{
"featured_image": "files/Broccoli_Raab_Spring_Rapini_Organic_Close_up_Comp.jpg",
"secondary_image": "files/Broccoli_Raab_Spring_Rapini_Organic_Support_photo_Comp.jpg",
"price": 359,
"handle": "broccoli-raab-spring-rapini-organic",
"title": "Broccoli Seeds - Raab - Spring Rapini (Organic)",
"url": "/products/broccoli-raab-spring-rapini-organic",
"available": false
},
{
"featured_image": "files/corn-salad-mache-dutch-broad-leaved-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_196c919f-6e56-4b8d-b5b4-67d97dd38d2d.png",
"price": 299,
"handle": "corn-salad-mache-dutch-broad-leaved",
"title": "Corn Salad (Mache) Seeds - Dutch Broad Leaved",
"url": "/products/corn-salad-mache-dutch-broad-leaved",
"available": true
},
{
"featured_image": "files/Cover-Crop-Forage-Friendly-Seeds-Comp.jpg",
"secondary_image": "files/1685461045_Cover-Crop-Forage-Friendly-compressed.jpg",
"price": 513,
"handle": "no-till-forage-friendly-cover-crop-mix",
"title": "No-Till Forage Friendly Cover Crop Mix",
"url": "/products/no-till-forage-friendly-cover-crop-mix",
"available": true
},
{
"featured_image": "files/italian-dandelion-seeds-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-4-oz-sm_451ca0f6-371f-4a7f-9a59-6282dc8862e2.png",
"price": 299,
"handle": "italian-dandelion-seeds",
"title": "Italian Dandelion Seeds",
"url": "/products/italian-dandelion-seeds",
"available": false
},
{
"featured_image": "files/Cabbage-seeds-Pak-Choi-Shanghai-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_ff5807cd-c378-4be2-8b02-f46c1e9d1fd1.png",
"price": 399,
"handle": "cabbage-seeds-pak-choi-shanghai",
"title": "Pak Choi Seeds - Shanghai",
"url": "/products/cabbage-seeds-pak-choi-shanghai",
"available": true
},
{
"featured_image": "files/Arugula-Seeds-Astro-comp.jpg",
"secondary_image": "",
"price": 279,
"handle": "arugula-seeds-astro",
"title": "Arugula Seeds - Astro",
"url": "/products/arugula-seeds-astro",
"available": true
},
{
"featured_image": "files/spinach-seeds-america-comp.jpg",
"secondary_image": "products/seed_packet_73ad33db-990f-4611-b237-7b8f3978bcff.jpg",
"price": 299,
"handle": "spinach-seeds-america",
"title": "Spinach Seeds - America",
"url": "/products/spinach-seeds-america",
"available": true
},
{
"featured_image": "files/cosmos-sensation-mixture-flower-seeds-comp.jpg",
"secondary_image": "products/SeedPacket_9355dd58-999b-411b-85d7-396ca6238bb9.jpg",
"price": 299,
"handle": "cosmos-sensation-mixture-flower-seeds",
"title": "Cosmos Seeds - Sensation Mixture",
"url": "/products/cosmos-sensation-mixture-flower-seeds",
"available": true
},
{
"featured_image": "files/hairy-vetch-cover-crop-seeds-organic-comp.jpg",
"secondary_image": "products/hairy-vetch-seed-wm_700.jpg",
"price": 359,
"handle": "hairy-vetch-seeds",
"title": "Hairy Vetch - Cover Crop Seeds",
"url": "/products/hairy-vetch-seeds",
"available": true
},
{
"featured_image": "files/Arugula-Seeds-Rocket-Roquette-comp.jpg",
"secondary_image": "",
"price": 299,
"handle": "arugula-seeds-rocket-roquette",
"title": "Arugula Seeds - Rocket (Roquette)",
"url": "/products/arugula-seeds-rocket-roquette",
"available": true
},
{
"featured_image": "files/spinach-viroflay-seeds-comp.jpg",
"secondary_image": "products/Seed_Pouch_1_814f702b-bd50-4c4e-94a7-347ad1930639.jpg",
"price": 297,
"handle": "spinach-viroflay-seeds",
"title": "Spinach Seeds - Viroflay",
"url": "/products/spinach-viroflay-seeds",
"available": true
},
{
"featured_image": "files/white-egg-turnip-Comp.jpg",
"secondary_image": "products/Seed_Packet.jpg",
"price": 299,
"handle": "white-egg-turnip",
"title": "Turnip Seeds - White Egg",
"url": "/products/white-egg-turnip",
"available": false
},
{
"featured_image": "files/gourd-seeds-nam-tao-ngam-india-type-hybrid-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_aee830d5-9a1a-4529-91f9-93c2ef64e324.png",
"price": 399,
"handle": "gourd-seeds-nam-tao-ngam-india-type-hybrid",
"title": "Gourd Seeds - Nam Tao Ngam - India Type - Hybrid",
"url": "/products/gourd-seeds-nam-tao-ngam-india-type-hybrid",
"available": false
},
{
"featured_image": "files/1674496827_CopyofSustainable-WM-Black_600x600px_41_1222x1222_5df6ca3c-69b6-4c6b-973f-90281ef49021.jpg",
"secondary_image": "",
"price": 399,
"handle": "mustard-osaka-purple-seeds",
"title": "Mustard Seeds - Osaka Purple",
"url": "/products/mustard-osaka-purple-seeds",
"available": true
},
{
"featured_image": "files/Gourd_Bitter_India_3_Comp.jpg",
"secondary_image": "files/Gourd_Bitter_India_Person_Comp.jpg",
"price": 399,
"handle": "gourd-seeds-india-hybrid",
"title": "Gourd Seeds, Bitter - India - Hybrid",
"url": "/products/gourd-seeds-india-hybrid",
"available": true
},
{
"featured_image": "files/turnip-seven-top-seeds-comp.jpg",
"secondary_image": "products/MVS-generic-packet_1_93d787cc-a05e-4066-8664-93fe7c876817.jpg",
"price": 299,
"handle": "turnip-seven-top-seeds",
"title": "Turnip Seeds - Seven Top",
"url": "/products/turnip-seven-top-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/yu-choy-sum-seeds-jung-green-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_7ac425c8-91bc-45b1-97f4-a61673283b42.png",
"price": 399,
"handle": "yu-choy-sum-seeds-jung-green",
"title": "Yu Choy Sum Seeds - Jung Green",
"url": "/products/yu-choy-sum-seeds-jung-green",
"available": true
},
{
"featured_image": "files/chrysanthemum-greens-seeds-oasis-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_d7402a89-697e-4bed-87e1-2976a06efcac.png",
"price": 399,
"handle": "chrysanthemum-greens-seeds-oasis",
"title": "Chrysanthemum Greens Seeds - Oasis",
"url": "/products/chrysanthemum-greens-seeds-oasis",
"available": true
},
{
"featured_image": "files/spinach-seeds-lakeside-hybrid-comp.jpg",
"secondary_image": "",
"price": 399,
"handle": "spinach-seeds-lakeside-hybrid",
"title": "Spinach Seeds - Lakeside - Hybrid",
"url": "/products/spinach-seeds-lakeside-hybrid",
"available": true
},
{
"featured_image": "files/heatwave-lettuce-mix-500mg-1-Comp.jpg",
"secondary_image": "",
"price": 359,
"handle": "heatwave-lettuce-mix-500mg-1",
"title": "Lettuce Seeds - Heatwave Mix - Organic",
"url": "/products/heatwave-lettuce-mix-500mg-1",
"available": false
},
{
"featured_image": "files/corn-salad-seeds-french-1-comp.jpg",
"secondary_image": "products/Seed_Pouch_1_1_1_a2f23940-31c0-4ac5-9b95-450a9addd6f9.jpg",
"price": 299,
"handle": "corn-salad-seeds-french-1",
"title": "Corn Salad Seeds - French",
"url": "/products/corn-salad-seeds-french-1",
"available": false
},
{
"featured_image": "files/mustard-mizuna-red-streaks-seeds-comp.jpg",
"secondary_image": "files/KZ_1_lb.jpg",
"price": 399,
"handle": "mustard-mizuna-red-streaks-seeds",
"title": "Mustard Seeds - Mizuna Red Streaks",
"url": "/products/mustard-mizuna-red-streaks-seeds",
"available": true
},
{
"featured_image": "files/orach-purple-seeds-Comp.jpg",
"secondary_image": "products/orach-purple-seeds-wm_700_ef0499a3-e5e7-4469-9cc8-f13a46d3f10a.jpg",
"price": 299,
"handle": "orach-purple-seeds",
"title": "Orach Seeds - Purple",
"url": "/products/orach-purple-seeds",
"available": false
},
{
"featured_image": "products/carmel-spinach-f1-hybrid-com-wm.jpg",
"secondary_image": "products/MVS-generic-packet-com_c1bcdb4e-e7cb-4c74-ac67-e8ac0d0f1e5c.jpg",
"price": 399,
"handle": "spinach-seeds-carmel-spinach-f1",
"title": "Spinach Seeds - Carmel Hybrid",
"url": "/products/spinach-seeds-carmel-spinach-f1",
"available": false
},
{
"featured_image": "products/hairy-vetch-cover-crop-wm_700.jpg",
"secondary_image": "products/hairy-vetch-seed-wm_700_5b46a86b-97e9-488a-944f-566b4fb7c19b.jpg",
"price": 456,
"handle": "hairy-vetch-cover-crop-seeds-organic",
"title": "Hairy Vetch - Organic - Cover Crop Seeds",
"url": "/products/hairy-vetch-cover-crop-seeds-organic",
"available": true
},
{
"featured_image": "files/amaranth-seeds-red-leaf-hu-hsien-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_9453e62c-24a2-4d75-91e8-e295c5e4d8dd.png",
"price": 399,
"handle": "amaranth-seeds-red-leaf-hu-hsien",
"title": "Amaranth Seeds - Red Leaf - Hu Hsien",
"url": "/products/amaranth-seeds-red-leaf-hu-hsien",
"available": true
}
]
