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]()
Oats and Peas Cover Crop Seed Mix
50-70 Days to termination. Oat and Peas Cover Crop Mix Seeds. Non-GMO, annual, winter-killing, no-till, forage-friendly. Plant as a spring, summer, or fall cover crop to restore vital nutrients and...
Beet - Rainbow Blend - Microgreen Seeds
12 to 23 Days to Harvest. Beta vulgaris. Rainbow Blend Beet Microgreen Seeds. Non-GMO, open-pollinated, heirloom. This colorful blend combines multiple beet varieties to produce a tray of microgreens with...
Broccoli Seeds - Destiny Hybrid
70 to 75 days. Annual. Non-GMO Hybrid seeds. The Destiny Hybrid is a popular variety of the broccoli garden crop to grow. Destiny Hybrid seeds are more tolerant to heat...
The True Leaf Market Vegetable Growing Guide
Get the True Leaf Market Vegetable Planting Guide! The PDF version is free, just click below to download, or purchase the print booklet with FREE shipping. In this booklet, you'll...
Corn Seeds - Sweet - Silver King F1 Hybrid
80-90 Days to maturity. Zea mays. Silver King F1 Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Deluxe Sprout Growing Kit
The ultimate sprouting starter kit for those interested in a serious approch to sprouts. Makes more than 100 pounds of sprouts! Includes a 3 tray stackable sprouter, instructions and an...
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...
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...
Coleus Seeds - Wizard Series (Pelleted)
84-91 Days to maturity. Plectranthus scutellarioides’Wizard Series’. Coleus Wizard Series Seeds. Non-GMO, Annual. Wizard Series coleus seeds are a simple, compact, yet spectacular Asian showstopper perfect for many diverse gardens...
Bean Seeds - Bush - California Black-Eye Cowpeas
75 Days to maturity. Vigna unguiculata. California Black-Eyed Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, bush, shelling bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses. Cowpeas, or...
French Marigold Seeds - Bonanza Series (Coated)
56-63 Days to maturity. Tagetes patula. Bonanza Series French Marigold Seeds. Non-GMO, annual, open-pollinated. Bonanza Series French marigold seeds are brilliant, easy to grow, and renowned for their hardiness and...
Corn Seeds - Flint - Indian
100-110 Days to maturity. Zea mays. Ornamental - Indian Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Flint Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Onion Seeds - Short - Yellow Granex PRR Hybrid
110-160 Days to maturity. Allium cepa. Yellow Granex PRR Onion Seeds. Non-GMO, annual, hybrid, cold tolerant, bulbing, short-day onion. Suitable for growing in greenhouses, garden plots, raised beds, and containers....
Amaranthus Seeds - Elephant Head (Organic)
Amaranthus sp. One gram will sow 45 feet at (thinned) spacing of 12-18" on 24" rows. Organic Elephant Head Amaranth 75 days to harvest. The elongated, dense, flower spike of...
All Perennial Flower Seeds Mix
50-65 Days to maturity. All Perennial Mix Wildflower Seeds. Non-GMO perennials. Custom blended wildflower mix full of exclusively gorgeous perennials! This mixture is for ornamental landscaping. These plants can be...
Tomato Seeds - Slicing - Heirloom Rainbow Blend (Organic)
80-100 Days to maturity (from transplant). Solanum lycopersicum. Organic Heirloom Rainbow Blend Tomato Seeds. Non-GMO, warm season annual, organic, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots,...
Seed Assortment: Basic Dozen Microgreens
A basic assortment of microgreens seeds. Experiment with some variety in your microgreens salads and garnishes. A nice mix of inexpensive and more expensive seeds. Includes Amaranth, Basil, Radish, Kale,...
Alyssum Seeds - Royal Carpet
56-63 Days to maturity. Lobularia maritima. Royal Carpet Alyssum Seeds. Non-GMO, Open-Pollinated, Annual. Open-pollinated seeds. Royal Carpet Alyssum flower seeds are an essential fragrant and award-winning plant whether kept in...
Kohlrabi Seeds - Purple Vienna (Organic)
50-55 days. Brassica oleracea var. gongylodes. Organic Purple Vienna Kohlrabi Seeds. Non-GMO, annual, organic, heirloom, open-pollinated. This crop is suitable for containers, garden plots, raised beds, and fields. Classic purple-skinned...
Digitalis (Foxglove) Seeds - Mixed Color
2nd-year maturity. Digitalis purpurea. Digitalis Mixed Color Seeds. Non-GMO, Perennial. Mixed Color foxglove seeds grow classic and delicate blooms where other flowers would wither. Mixed Color seeds deliver compact 12-18"...
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...
Bean Seeds - Bush - Aquadulce Fava
70-85 Days to maturity. Vicia faba. Organic Fava Bean Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, bush, shell, fava bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Pepper Seeds - Sweet - Gypsy F1 Hybrid
62 Days to maturity (from transplant). Capsicum annuum. Gypsy F1 Hybrid Pepper Seeds. Non-GMO, annual, F1 hybrid, AAS Winner, sweet-type, with no heat. 0 Scoville Heat Units. Suitable for growing...
Thyme Seeds - Winter (Organic)
95 Days to maturity. Thymus vulgaris. Organic Winter Thyme Seeds. Non-GMO, perennial, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Common Thyme, German Thyme,...
Cosmos Seeds - Bright Lights
56-63 days. Bright Lights cosmos seeds grow a playful, robust, and familiar annual sown among sunflowers and wildflowers. Bright Lights seeds grow hardy, drought tolerant cosmos shrubs as high as...
Echinacea Seeds - Cheyenne Spirit
70-80 days maturity. Echinacea x hybrida. Echinacea Cheyenne Spirit Seeds. Non-GMO, Heirloom, Perennial. Echinacea grows as a warm-season perennial and flowering herb native to Central North America. This vigorous echinacea...
Shasta Daisy Seeds - Alaska
2nd-year maturity. Leucanthemum × superbum. Shasta Daisy Alaska Seeds. Non-GMO, Perennial. Ornamental. Shasta daisy Alaska seeds promise classic, home-grown American color to your home, patio, or garden this season. Alaska...
Asparagus Seeds - UC 157 F2
2-3 years to first harvest. Non-GMO, perennial, F2 Hybrid asparagus seeds. UC 157 F2 Hybrid Asparagus Seeds. This variety was developed at the University of California, Riverside in 1978 by...
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...
[
{
"featured_image": "files/cover_crop_oats_and_peas_mix_person_comp.jpg",
"secondary_image": "files/oats-and-peas-cover-crop-seed-mix-Comp.jpg",
"price": 428,
"handle": "oats-and-peas-cover-crop-seed-mix",
"title": "Oats and Peas Cover Crop Seed Mix",
"url": "/products/oats-and-peas-cover-crop-seed-mix",
"available": true
},
{
"featured_image": "files/Beet_Rainbow_Blend_Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_89223a01-d3ba-4390-b07d-edcaeb9414d8.png",
"price": 806,
"handle": "beet-seeds-rainbow-blend",
"title": "Beet - Rainbow Blend - Microgreen Seeds",
"url": "/products/beet-seeds-rainbow-blend",
"available": true
},
{
"featured_image": "files/broccoli-destiny-hybrid-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_09cf96d8-65d2-49a5-ad34-0ae67efec2b6.png",
"price": 399,
"handle": "broccoli-destiny-hybrid",
"title": "Broccoli Seeds - Destiny Hybrid",
"url": "/products/broccoli-destiny-hybrid",
"available": true
},
{
"featured_image": "files/vegetable-grow-guide-comp.jpg",
"secondary_image": "products/veggie-book-sm.jpg",
"price": 500,
"handle": "vegetable-grow-guide",
"title": "The True Leaf Market Vegetable Growing Guide",
"url": "/products/vegetable-grow-guide",
"available": true
},
{
"featured_image": "files/corn-popcorn-robust-yellow-hulles-hybrid-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_5df6c169-c120-48fa-aade-83fb24b9ce5d.png",
"price": 429,
"handle": "corn-popcorn-robust-yellow-hulless-hybrid",
"title": "Corn Seeds - Popcorn - Robust Yellow Hulless F1 Hybrid",
"url": "/products/corn-popcorn-robust-yellow-hulless-hybrid",
"available": true
},
{
"featured_image": "files/corn-se-silver-king-hybrid-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_4599064f-fabe-4003-92e3-445e7f7ad282.png",
"price": 439,
"handle": "corn-se-silver-king-hybrid",
"title": "Corn Seeds - Sweet - Silver King F1 Hybrid",
"url": "/products/corn-se-silver-king-hybrid",
"available": true
},
{
"featured_image": "files/Handy_Pantry_-_Deluxe_Beginners_Dozen_Kit_1.jpg",
"secondary_image": "products/sprouter-and-grown-sprouts-wm_700.jpg",
"price": 14197,
"handle": "deluxe-sprout-growing-kit",
"title": "Deluxe Sprout Growing Kit",
"url": "/products/deluxe-sprout-growing-kit",
"available": true
},
{
"featured_image": "files/asparagus-uc-157-f2-wm_700_1222x1222_d6300f7a-00b7-4978-baa9-f45afb3cb5c7.jpg",
"secondary_image": "",
"price": 299,
"handle": "asparagus-seeds-uc-157-f2",
"title": "Asparagus Seeds - UC 157 F2",
"url": "/products/asparagus-seeds-uc-157-f2",
"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/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/Coleus-Wizard-Series-Mix-Pelleted-Comp.jpg",
"secondary_image": "files/coleus-wizard-series-flower-seeds-comp.jpg",
"price": 339,
"handle": "coleus-wizard-series-flower-seeds",
"title": "Coleus Seeds - Wizard Series (Pelleted)",
"url": "/products/coleus-wizard-series-flower-seeds",
"available": true
},
{
"featured_image": "files/bean-bush-california-black-eye-cowpeas-Comp.jpg",
"secondary_image": "products/MVS-generic-packet_1_6af5addd-7219-46cc-bd63-a115ee1b005f.jpg",
"price": 366,
"handle": "bean-bush-california-black-eye-cowpeas",
"title": "Bean Seeds - Bush - California Black-Eye Cowpeas",
"url": "/products/bean-bush-california-black-eye-cowpeas",
"available": true
},
{
"featured_image": "files/marigold-bonanza-series-flower-seeds-Comp.jpg",
"secondary_image": "products/marigold-bonanza-series-flame-flower-wm_700.jpg",
"price": 419,
"handle": "marigold-bonanza-series-flower-seeds",
"title": "French Marigold Seeds - Bonanza Series (Coated)",
"url": "/products/marigold-bonanza-series-flower-seeds",
"available": true
},
{
"featured_image": "files/corn-ornamental-indian-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_312f74a3-a8f7-4786-ba50-47a1069b7bc7.png",
"price": 359,
"handle": "corn-ornamental-indian",
"title": "Corn Seeds - Flint - Indian",
"url": "/products/corn-ornamental-indian",
"available": true
},
{
"featured_image": "files/onion-seeds-hybrid-yellow-granex-prr-f1-comp.jpg",
"secondary_image": "products/Seed_Pouch_1_ecba499e-3058-4869-a99b-9212bd22725d.jpg",
"price": 399,
"handle": "onion-seeds-hybrid-yellow-granex-prr-f1",
"title": "Onion Seeds - Short - Yellow Granex PRR Hybrid",
"url": "/products/onion-seeds-hybrid-yellow-granex-prr-f1",
"available": true
},
{
"featured_image": "files/organic-elephant-head-amaranth-Comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com.jpg",
"price": 359,
"handle": "organic-elephant-head-amaranth",
"title": "Amaranthus Seeds - Elephant Head (Organic)",
"url": "/products/organic-elephant-head-amaranth",
"available": true
},
{
"featured_image": "files/flower-seed-wildflower-mixes-all-perennial-mix-comp.jpg",
"secondary_image": "products/all-perennial-wildflower-mix-com-wm.jpg",
"price": 399,
"handle": "flower-seed-wildflower-mixes-all-perennial-mix",
"title": "All Perennial Flower Seeds Mix",
"url": "/products/flower-seed-wildflower-mixes-all-perennial-mix",
"available": true
},
{
"featured_image": "files/tomato-seeds-heirloom-blend-organic-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-lb-com_e6bb42e5-5a55-4eef-84c3-a25dbc34c059.jpg",
"price": 359,
"handle": "tomato-seeds-heirloom-blend-organic",
"title": "Tomato Seeds - Slicing - Heirloom Rainbow Blend (Organic)",
"url": "/products/tomato-seeds-heirloom-blend-organic",
"available": true
},
{
"featured_image": "files/basic-microgreens-dozen-assortment-wm_1222x1222_b34d00c1-cc00-4a53-9bff-43cc74e74e82.jpg",
"secondary_image": "products/micro-amaranth-greens-wm_700_800x_2bafc296-d0bf-401c-96b6-11d806315bae.jpg",
"price": 9067,
"handle": "basic-dozen-microgreen-assortment",
"title": "Seed Assortment: Basic Dozen Microgreens",
"url": "/products/basic-dozen-microgreen-assortment",
"available": true
},
{
"featured_image": "files/Basil-Seeds-Italian-Large-Leaf-microgreens-Seeds-comp.jpg",
"secondary_image": "products/basil-italian-large-leaf-microgreens-wb-wm.jpg",
"price": 865,
"handle": "basil-seeds-italian-large-leaf-microgreens-seeds",
"title": "Basil Seeds - Italian Large Leaf - Microgreens Seeds",
"url": "/products/basil-seeds-italian-large-leaf-microgreens-seeds",
"available": true
},
{
"featured_image": "files/alyssum-royal-carpet-seed-wm_700_1222x1222_27e3c9c1-2abb-4024-a3ab-7e47dd054a86.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-oz-sm_2b82e41c-26e4-43db-a51b-f10fff44ecd0.png",
"price": 299,
"handle": "alyssum-royal-carpet-flower-seeds",
"title": "Alyssum Seeds - Royal Carpet",
"url": "/products/alyssum-royal-carpet-flower-seeds",
"available": true
},
{
"featured_image": "files/kohlrabi-seeds-purple-vienna-organic-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sus-wm-comp_478ecc50-adec-4191-99c5-087e81ef5a19.jpg",
"price": 359,
"handle": "kohlrabi-seeds-purple-vienna-organic",
"title": "Kohlrabi Seeds - Purple Vienna (Organic)",
"url": "/products/kohlrabi-seeds-purple-vienna-organic",
"available": true
},
{
"featured_image": "files/digitalis-foxglove-mixed-seed-wm_700_1222x1222_f124cff4-260a-435d-a204-8cc73a89f425.jpg",
"secondary_image": "products/non-gmo-seed-bag-4-oz-sm_e33d6d42-9a19-44a3-b6ae-a401073fa3e8.png",
"price": 299,
"handle": "digitalis-foxglove-mixed-color-flower-seeds",
"title": "Digitalis (Foxglove) Seeds - Mixed Color",
"url": "/products/digitalis-foxglove-mixed-color-flower-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/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": false
},
{
"featured_image": "files/bean-seeds-fava-aquadulce-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_3efd82e5-4c3d-43b7-9b3b-326ce1830d0c.png",
"price": 511,
"handle": "bean-seeds-fava-aquadulce",
"title": "Bean Seeds - Bush - Aquadulce Fava",
"url": "/products/bean-seeds-fava-aquadulce",
"available": true
},
{
"featured_image": "files/organic-early-prolific-straightneck-squash-comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_d69953eb-24c7-4d9a-9d0f-a3399e9dbad5.jpg",
"price": 359,
"handle": "organic-early-prolific-straightneck-squash",
"title": "Squash Seeds - Summer - Early Prolific Straightneck (Organic)",
"url": "/products/organic-early-prolific-straightneck-squash",
"available": true
},
{
"featured_image": "files/pepper-sweet-gypsy-hybrid-seeds-comp.jpg",
"secondary_image": "products/Seed_Pouch_1_24657420-7c4c-471f-a9c3-35925f8e5446.jpg",
"price": 199,
"handle": "pepper-sweet-gypsy-hybrid-seeds",
"title": "Pepper Seeds - Sweet - Gypsy F1 Hybrid",
"url": "/products/pepper-sweet-gypsy-hybrid-seeds",
"available": true
},
{
"featured_image": "files/certified-organic-heirloom-vegetable-seeds-organic-herb-seeds-organic-winter-thyme-herb-seed-comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_cecb971b-8882-4981-8575-894c8b2aae43.jpg",
"price": 359,
"handle": "certified-organic-heirloom-vegetable-seeds-organic-herb-seeds-organic-winter-thyme-herb-seed",
"title": "Thyme Seeds - Winter (Organic)",
"url": "/products/certified-organic-heirloom-vegetable-seeds-organic-herb-seeds-organic-winter-thyme-herb-seed",
"available": true
},
{
"featured_image": "files/cosmos-bright-lights-flower-seeds-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_60a5ccdf-9c53-447d-aa22-befeecdfc8e7.png",
"price": 299,
"handle": "cosmos-bright-lights-flower-seeds",
"title": "Cosmos Seeds - Bright Lights",
"url": "/products/cosmos-bright-lights-flower-seeds",
"available": true
},
{
"featured_image": "files/echinacea-cheyenne-spirit-flower-seeds-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-oz-sm_f18bfc3b-bd6f-44fd-956d-85e941220df8.png",
"price": 679,
"handle": "echinacea-cheyenne-spirit-flower-seeds",
"title": "Echinacea Seeds - Cheyenne Spirit",
"url": "/products/echinacea-cheyenne-spirit-flower-seeds",
"available": true
},
{
"featured_image": "files/shasta-daisy-alaska-seeds-flower-seeds-Comp.jpg",
"secondary_image": "products/SeedPouch_68bb3259-6c74-4e67-a16c-e2d9fcb0647a.jpg",
"price": 299,
"handle": "shasta-daisy-alaska-seeds-flower-seeds",
"title": "Shasta Daisy Seeds - Alaska",
"url": "/products/shasta-daisy-alaska-seeds-flower-seeds",
"available": true
}
]
