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]()
Gourds Seeds - Birdhouse
110+ days. Fun, easy to grow plants yield gourds that can be made into attractive hanging birdhouses or dippers. Allow fruit to mature on vine as long as possible. Approximately...
Marshmallow Herb Seeds
60-90 Days to maturity. Althaea officinalis. Marshmallow Herb Seeds. Non-GMO, perennial, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, and raised beds. A beautiful pollinator and traditional medicinal...
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...
Cucumber Seeds - Tokiwa
55-75 Days to maturity. Cucumis sativus var. tokiwa. Tokiwa Cucumber Seeds. Warm-season annual heirloom. Non-GMO. This uniform, dark green variety grows 1.5" in diameter and 9-10" long. Although the fruit...
Jicama Seeds - Thai
150 Days to maturity. Pachyrhizus erosus . Thai Jicama Seeds. Annual, Open Pollinated. This Asian variety of jicama yields larger tubers than Mexican Jicama. It has sweet and crisp light-colored...
Mustard Seeds - Mizuna
30 days. This japanese mustard green has dandelion-like jagged edged green leaves with a mild, sweet, earthy flavor. Mizuna grows fast and makes an excellent salad green. It can be...
Shiso Herb Seeds (Perilla) - Green
Non-GMO, Heirloom Green Shiso Perilla Herb Garden Seed from True Leaf Market. Perilla frutescens var. crispa. Green Shiso is a warm annual and beefsteak variety. Green Shiso, also known as...
Bean Seeds - Bush - Dark Red Kidney (Organic)
90-100 Days to maturity. Phaseolus vulgaris. Organic Dark Red Kidney Bean Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, high-yielding, bush, shelling bean. Suitable for growing in containers, garden plots, raised beds,...
Shiso Seeds (Perilla) - Green Ohba
60 to 70 days to maturity. Perilla frutescens var crispa. Shiso Herb Seeds (Perilla) - Green Ohba Shiso Seeds. Warm season annual. Shiso, also known as perilla or beefsteak leaf,...
Cumin Seeds
100-120 Days. Cuminum cyminum. Annual. Heirloom. Open-pollinated. Similar to coriander, mustard, caraway, and anise, Non-GMO heirloom cumin seeds are just as popularly cultivated for its seeds as it is a...
Basil - Thai - Microgreens Seeds
18-30+ days. Thai Basil Microgreens Seeds are just as easy to grow as other varieties of basil microgreens seeds. Thai Basil, when grown as a microgreen, tastes like basil but...
Melon Seeds - Crenshaw - Crenshaw
110 Days to maturity. Cucumis melo. Crenshaw Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Crenshaw Melon. Suitable for growing in containers, garden plots, raised beds, and greenhouses. The Crenshaw...
Lentil - Red (Organic) - Sprouting Seeds
2-3 Days to Harvest. Lens culinaris. Organic Red Lentil Sprouting Seeds. Organic. Non-GMO. Sprouting. High Germination. A delicious and classic substitute for any green or French lentil, non-GMO organic red...
Malabar Spinach Seeds - Big Round Leaf
Malabar Spinach Seeds - Big Round Leaf. Heirloom, Basella alba. 50-60 days. Warm season annual. Non GMO. Open pollinated. This is a green big leaf variety. Leaves are thick. Slow...
Bean Seeds - Pole - You Fong Wong Yard Long
70-90 Days to maturity. Vigna unguiculata subsp. sesquipedalis. You Fong Wong Yard Long Bean Seeds. Non-GMO, annual, open-pollinated, heat-tolerant, heirloom, pole, snap, Asian, specialty bean. Suitable for growing in containers,...
Lentil - French (Organic) - Sprouting Seeds
2-3 Days to Harvest. Lens culinaris. Organic French Lentil Sprouting Seeds. Organic. Non-GMO. Sprouting. High Germination. Known traditionally as "Puy" lentils for having been grown exclusively in the Puy region...
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...
Mustard - Mizuna - Microgreens Seeds
Up to 12 days. Mizuna is a fast, easy grower that makes a great choice as a secondary green in any salad. It has a very mild mustard / spice...
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....
Onion Seeds - Bunching - Warrior AAS
60 Days to maturity. Allium fistulosum. Warrior Bunching Onion Seeds. Non-GMO, perennial, open-pollinated, AAS Regional winner (Southeast, Mountain/Southwest), bunching onion. Suitable for growing in greenhouses, garden plots, raised beds, and...
Pepper Seeds - Hot - Thai Hot
80-89 Days to maturity (from transplant). Capsicum annuum. Thai Hot Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, deer resistant, high-yielding, hot pepper with hot heat levels. 50,000 to 100,000 Scoville Heat...
Mustard Seeds - Red Giant (Organic)
48 days. Non-GMO, Heirloom Organic Red Giant Mustard Herb Garden Seed from True Leaf Market. Brassica juncea. In general, mustard is an ideal garden plant to grow near herbs. As...
Mustard Seeds - Tatsoi
50 days. Non-GMO, Heirloom Tatsoi Mustard Herb Garden Seed from True Leaf Market. Brassica rapa subsp. narinosa. Tatsoi Mustard or "Spoon Mustard" comes from China and gained tradition as a...
Lettuce Seeds - Jericho
(26 days for baby greens, 56 days for full size) Jericho Lettuce Seeds. Silky smooth neon green romaine leaves reach for the sky in this amazing lettuce with origins in...
Dandelion Seeds - True (Wild)
Taraxacum officinale. Non-GMO, Heirloom True (Wild) Dandelion Herb Garden Seed from True Leaf Market. True wild Dandelions grow as tender perennials native to regions in Asia and Europe. Herbaceous and...
Cucumber Seeds - Tsuyataro - Hybrid
55 to 75 Days to maturity. Cucumis sativus var. tsuyataro. Tsuyataro Cucumber Hybrid Seeds. Warm-season annual hybrid. Non-GMO. This outstanding, easy-to-grow, burpless type is popular in Japan. The skin is...
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...
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...
[
{
"featured_image": "files/Gourds-Seeds-Birdhouse-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_1d18f2d3-e1af-4600-ad62-e1340a6112b2.png",
"price": 299,
"handle": "gourds-birdhouse-seeds",
"title": "Gourds Seeds - Birdhouse",
"url": "/products/gourds-birdhouse-seeds",
"available": true
},
{
"featured_image": "files/dandelion-seeds-true-wild-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_5acafd4f-c176-482f-b299-8641b0594a75.png",
"price": 339,
"handle": "dandelion-seeds-true-wild",
"title": "Dandelion Seeds - True (Wild)",
"url": "/products/dandelion-seeds-true-wild",
"available": false
},
{
"featured_image": "products/marshmallow-grown-wm_700.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_d404cdd2-00e9-468a-884c-63a494627906.jpg",
"price": 299,
"handle": "marshmallow-herb-seeds",
"title": "Marshmallow Herb Seeds",
"url": "/products/marshmallow-herb-seeds",
"available": true
},
{
"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/Onion-Bunching-Tokyo-Long-White-Microgreens-Seeds-Comp.jpg",
"secondary_image": "products/1674146662_CopyofKItazawa-WM-Green_600x600px_33_049b6e9d-dd37-48e3-9686-269b3bd357d5.jpg",
"price": 841,
"handle": "onion-bunching-tokyo-long-white-microgreens-seeds",
"title": "Onion - Bunching - Tokyo Long White - Microgreens Seeds",
"url": "/products/onion-bunching-tokyo-long-white-microgreens-seeds",
"available": true
},
{
"featured_image": "files/cucumber-seeds-tokiwa-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_dade122d-6289-406c-86de-7868384e3aef.png",
"price": 399,
"handle": "cucumber-seeds-tokiwa",
"title": "Cucumber Seeds - Tokiwa",
"url": "/products/cucumber-seeds-tokiwa",
"available": true
},
{
"featured_image": "files/MJicama_Thai_Yam_Bean_Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_1f2fdb5b-788f-4584-9914-b644865d14d5.png",
"price": 399,
"handle": "jicama-seeds-thai",
"title": "Jicama Seeds - Thai",
"url": "/products/jicama-seeds-thai",
"available": true
},
{
"featured_image": "files/mustard-mizuna-seeds-comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_76f0d8a0-f748-4407-b0ab-f281ec4baa68.jpg",
"price": 399,
"handle": "mustard-mizuna-seeds",
"title": "Mustard Seeds - Mizuna",
"url": "/products/mustard-mizuna-seeds",
"available": true
},
{
"featured_image": "files/Shiso-Herb-Seeds-Perilla-Green-comp.jpg",
"secondary_image": "products/1674583491_CopyofKItazawa-WM-Green_600x600px_46.jpg",
"price": 399,
"handle": "shiso-seeds-perilla-green-herbs",
"title": "Shiso Herb Seeds (Perilla) - Green",
"url": "/products/shiso-seeds-perilla-green-herbs",
"available": true
},
{
"featured_image": "files/organic-dark-red-kidney-beans-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-oz-sm_1_1_2_9d94c0f0-5372-4783-81fd-1bdef8e3d4a9.jpg",
"price": 359,
"handle": "organic-dark-red-kidney-beans",
"title": "Bean Seeds - Bush - Dark Red Kidney (Organic)",
"url": "/products/organic-dark-red-kidney-beans",
"available": true
},
{
"featured_image": "files/1727289351_mustard_osaka_purple_comp_900dee66-0d4c-4850-b8a6-e83bfb715222.jpg",
"secondary_image": "files/1727289351_mustard_osaka_purple_wb_comp_ce8e5b37-4eee-4891-a6e2-a37e8d29c260.jpg",
"price": 588,
"handle": "mustard-osaka-purple-microgreens-seeds",
"title": "Mustard - Osaka Purple - Microgreens Seeds",
"url": "/products/mustard-osaka-purple-microgreens-seeds",
"available": true
},
{
"featured_image": "files/shiso-herb-seeds-perilla-green-ohba-ao-shiso-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_2fbb78de-a3dd-4954-9bce-5f79336bd17e.png",
"price": 399,
"handle": "shiso-herb-seeds-perilla-green-ohba-ao-shiso",
"title": "Shiso Seeds (Perilla) - Green Ohba",
"url": "/products/shiso-herb-seeds-perilla-green-ohba-ao-shiso",
"available": true
},
{
"featured_image": "files/cumin-seeds-comp.jpg",
"secondary_image": "products/cumin-wm.jpg",
"price": 299,
"handle": "cumin-seeds",
"title": "Cumin Seeds",
"url": "/products/cumin-seeds",
"available": true
},
{
"featured_image": "files/basil-thai-microgreens-seeds-comp.jpg",
"secondary_image": "products/basil-thai-seeds-wm_700.jpg",
"price": 830,
"handle": "basil-thai-microgreens-seeds",
"title": "Basil - Thai - Microgreens Seeds",
"url": "/products/basil-thai-microgreens-seeds",
"available": true
},
{
"featured_image": "files/melon-crenshaw-crenshaw-seeds-Comp.jpg",
"secondary_image": "products/Seed_Pouch_2.jpg",
"price": 299,
"handle": "melon-crenshaw-crenshaw-seeds",
"title": "Melon Seeds - Crenshaw - Crenshaw",
"url": "/products/melon-crenshaw-crenshaw-seeds",
"available": true
},
{
"featured_image": "files/cucumber-seeds-tsuyataro-hybrid-comp_d3527012-9670-4155-8697-02a036b84345.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_4d9260f7-8d66-4b35-bb60-3cbb082aa0b3.png",
"price": 399,
"handle": "cucumber-seeds-tsuyataro-hybrid",
"title": "Cucumber Seeds - Tsuyataro - Hybrid",
"url": "/products/cucumber-seeds-tsuyataro-hybrid",
"available": false
},
{
"featured_image": "files/Red-Lentil-Organic-Sprouting-Seeds-comp.jpg",
"secondary_image": "products/16-oz-red-lentil-seed-wm_700.jpg",
"price": 996,
"handle": "red-lentils-sprouting-seed-organic",
"title": "Lentil - Red (Organic) - Sprouting Seeds",
"url": "/products/red-lentils-sprouting-seed-organic",
"available": true
},
{
"featured_image": "files/Spinach_Malabar_Round_Leaf_Comp.jpg",
"secondary_image": "",
"price": 399,
"handle": "malbar-spinach-seeds-big-round-leaf",
"title": "Malabar Spinach Seeds - Big Round Leaf",
"url": "/products/malbar-spinach-seeds-big-round-leaf",
"available": true
},
{
"featured_image": "files/yard-long-bean-you-fong-wong-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_24030b08-23d7-4a65-9fc4-06d9bdac5497.png",
"price": 399,
"handle": "yard-long-bean-you-fong-wong",
"title": "Bean Seeds - Pole - You Fong Wong Yard Long",
"url": "/products/yard-long-bean-you-fong-wong",
"available": true
},
{
"featured_image": "files/French-Lentil-Organic-Sprouting-Seeds-comp.jpg",
"secondary_image": "products/french-lentil-sprouts-wb-sm.jpg",
"price": 929,
"handle": "french-blue-lentil-sprouting-seed",
"title": "Lentil - French (Organic) - Sprouting Seeds",
"url": "/products/french-blue-lentil-sprouting-seed",
"available": true
},
{
"featured_image": "files/Malabar-Spinach-Seeds-Green-Vines-Supreme-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_65809d95-eb39-4a0a-8596-00c07f4f7793.png",
"price": 399,
"handle": "malabar-spinach-seeds-green-vines-supreme",
"title": "Spinach Seeds - Green Vines Supreme Malabar",
"url": "/products/malabar-spinach-seeds-green-vines-supreme",
"available": true
},
{
"featured_image": "files/Mustard-Mizuna-Microgreens-Seeds-comp.jpg",
"secondary_image": "products/mustard-mizuna-seeds-wm_700.jpg",
"price": 597,
"handle": "mustard-mizuna-microgreens-seeds",
"title": "Mustard - Mizuna - Microgreens Seeds",
"url": "/products/mustard-mizuna-microgreens-seeds",
"available": true
},
{
"featured_image": "files/tomato-seeds-suncherry-extra-sweet-hybrid-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_8d416896-7ee4-44de-9db7-793531c59a1f.png",
"price": 399,
"handle": "tomato-seeds-suncherry-extra-sweet-hybrid",
"title": "Tomato Seeds - Cherry - Suncherry Extra Sweet Hybrid",
"url": "/products/tomato-seeds-suncherry-extra-sweet-hybrid",
"available": true
},
{
"featured_image": "files/Yard-Long-Bean-Red-Noodle-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_bfc851d9-9d30-48a4-8718-62d94c4aadd0.png",
"price": 399,
"handle": "yard-long-bean-red-noodle",
"title": "Bean Seeds - Pole - Red Noodle Yard Long",
"url": "/products/yard-long-bean-red-noodle",
"available": false
},
{
"featured_image": "files/onion-bunching-warrior-conventional-l-com-wm_1222x1222_1bf8fed6-da4d-4f65-aa7e-72b8dec709df.jpg",
"secondary_image": "products/MVS-generic-packet-com_fdb744da-33bf-4003-b951-0227b3b9bb20.jpg",
"price": 299,
"handle": "onion-seeds-bunching-warrior-aas",
"title": "Onion Seeds - Bunching - Warrior AAS",
"url": "/products/onion-seeds-bunching-warrior-aas",
"available": true
},
{
"featured_image": "files/pepper-hot-thai-hot-seeds-comp.jpg",
"secondary_image": "",
"price": 199,
"handle": "pepper-hot-thai-hot-seeds",
"title": "Pepper Seeds - Hot - Thai Hot",
"url": "/products/pepper-hot-thai-hot-seeds",
"available": true
},
{
"featured_image": "files/mustard-red-giant-organic-seeds-Comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_4d2915a2-118c-42da-81f9-2e831b92862f.jpg",
"price": 359,
"handle": "mustard-red-giant-organic-seeds",
"title": "Mustard Seeds - Red Giant (Organic)",
"url": "/products/mustard-red-giant-organic-seeds",
"available": true
},
{
"featured_image": "files/Mustard-Mizuna-Red-Leaf-Microgreens-Seeds-Comp.jpg",
"secondary_image": "products/1674509627_CopyofKItazawa-WM-Green_600x600px_42_5243e54b-8dd2-4611-9cf4-3250a331a9c2.jpg",
"price": 832,
"handle": "mustard-mizuna-red-leaf-microgreens-seeds",
"title": "Mustard - Mizuna Red Leaf - Microgreens Seeds",
"url": "/products/mustard-mizuna-red-leaf-microgreens-seeds",
"available": true
},
{
"featured_image": "files/Mustard_Tatsoi_Comp.jpg",
"secondary_image": "",
"price": 399,
"handle": "mustard-tatsoi-seeds",
"title": "Mustard Seeds - Tatsoi",
"url": "/products/mustard-tatsoi-seeds",
"available": true
},
{
"featured_image": "files/jericho-lettuce-seeds-comp.jpg",
"secondary_image": "products/Seed_Packet_ba7eeb32-7a8e-4965-b509-dd2883f3289e.jpg",
"price": 299,
"handle": "jericho-lettuce-seeds",
"title": "Lettuce Seeds - Jericho",
"url": "/products/jericho-lettuce-seeds",
"available": true
},
{
"featured_image": "files/cucumber-seeds-armenian-striped-Comp.jpg",
"secondary_image": "products/MVS-generic-packet-com_0b616f0c-0415-4637-a6f6-8f014b6b515d.jpg",
"price": 299,
"handle": "cucumber-seeds-armenian-striped",
"title": "Cucumber Seeds - Armenian Striped",
"url": "/products/cucumber-seeds-armenian-striped",
"available": false
}
]
