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]()
Tomatillo Seeds - Grande Rio Verde
80 days. (Husk Tomato) Large fruited tomatillo with sweet green fruits measuring 2 to 3 inches across (1.8 - 2.8 ounces), enclosed in a papery husk. Vigorous prostrate vine. Used...
Celery Seeds - Golden Self Blanching
Non-GMO Golden Self-Blanching Celery Seeds from True Leaf Market are a stocky, resistant heirloom celery variety. The open-pollinated, upright celery produces thick, string-free stalks that are crisp and rich. As...
Chives Seeds
Non-GMO, Heirloom Chives Herb Garden Seed from True Leaf Market. Allium schoenoprasum. Chives are native to regions in Asia and Europe. This Chive cultivar is common in the U.S. and...
Oregano Seeds - Greek
Origanum vulgare hirtum Perennial. Non-GMO, Heirloom Greek Oregano Herb Garden Seed from True Leaf Market. Origanum vulgare hirtum. Greek Oregano is a perennial herb native to regions in the Mediterranean....
Oats - Whole (Organic) - Grass Seeds
6-10 Days to maturity for juicing. Avena sativa. Organic Whole Oat Grass Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in trays, and the field or garden. This product...
Sweet Marjoram Seeds
70 days. Annual. Non-GMO, Heirloom Marjoram Herb Garden Seed from True Leaf Market. Origanum majorana. Marjoram is a tender perennial herb in warmer regions and grown as an annual in...
Pepper - Sweet - Lilac Bell
70-80 Days to maturity (from transplant). Capsicum annuum. Lilac Bell Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, sweet pepper with no heat. 0 Scoville Heat Units. Resistant to Tobacco Mosaic Virus....
Wildflower Seeds - Bee Mix
50-365 Days to maturity. Bee Friendly Wildflower Seeds Mix. A non-GMO mix of annuals and perennial bee-friendly wildflowers for zones 3-9. The Bee Friendly Wildflower Mix grows some of the...
Tomato Seeds - Cherry - Rainbow Cherry Mix (Organic)
80 Days to maturity (from transplant). Solanum lycoperscium. Rainbow Cherry Mix (Organic) Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and...
Basil Seeds - Lemon
Non-GMO, Lemon Basil Herb Seed from True Leaf Market. Ocimum basilicum x citriodorum is native to India. As basil has many different varieties, Lemon Basil Herb is considered non-sweet and...
Dahlia Seeds - Figaro Series (Coated)
84-91 Days to maturity. Dahlia pinnata. Dahlia Figaro Series Seeds. Premium, Non-GMO, Annual or Perennial. Figaro Series dahlias are a simple way to grow classic southwestern color in your home,...
Broccoli Seeds - Green Sprouting Calabrese
brassica oleracea var. capitata (60-90 days) Start Green Sprouting broccoli early in the season and by early summer you will have tons of sweet broccoli. Harvest the central head then...
Broccoli Seeds - Di Cicco (Organic)
48 to 70 days. Annual. Organic Heirloom seeds. Di Cicco is an Italian heirloom broccoli dating back from 1890. Very vigorous plants produce heavy crops of 3 to 4 inch...
Thyme Seeds - French
Non-GMO, Heirloom, Open Pollinated French Thyme Herb Garden Seed from True Leaf Market. Thymus vulgaris. French Thyme is a cold hardy perennial with gray-green leaves and bold floral and earthy...
Basil Seeds - Green Leaf Holy Basil
65-75 days maturity. Ocimum sanctum. Green Leaf Holy Basil Seeds. Non-GMO, Heirloom. Annual. Holy basil is an essential herb in the Thai kitchen due to its unique flavor. It is...
Melon Seeds - Cantaloupe - Imperial 45
65-85 Days to maturity. Cucumis melo. Imperial 45 Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, AAS winner, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and...
Gazania Seeds - New Day Series
84-91 Days to maturity. Gazania splendens. Gazania New Day Series Seeds. Non-GMO, Annual. New Day Series gazania seeds grow some of the most recognizable summertime blooms both indoors and out!...
Melon Seeds - Cantaloupe - Hearts of Gold
80-90 Days to maturity. Cucumis melo. Hearts of Gold Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses....
African Marigold Seeds - Taishan Series
77-84 days. Taishan Series is easy to grow from seed and delivers neat and disease-tolerant marigolds ideal for gardens prone to heat, drought, and poor soils. With 20% shorter peduncles...
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...
Lovage Seeds
Non-GMO, Heirloom Lovage Herb Garden Seed from True Leaf Market. Levisticum officinale. Lovage is a leafy perennial herb originating from regions in Southern Europe. This hardy and herbaceous variety is...
Collards Seeds - Morris Heading
75-85 days. Morris Heading Collard seeds grow slightly crumpled and loose heads. These compact Collard plants have short steamed leaves, and are tolerant to both the heat and the cold....
Tomato Seeds - Paste - San Marzano Determinate (Organic)
80-90 Days to maturity (from transplant). Solanum lycoperscium. San Marzano Determinate (Organic) Tomato Seeds. Non-GMO, annual, open-pollinated, organic, heirloom, determinate, paste tomato. Suitable for growing in garden plots, raised beds,...
Lupine Seeds - Russell Strain Mixture
Sturdy, tightly-packed spikes in a wide range of bright colors including bi-color. 1 inch blooms open from top to bottom. Russell Mix Lupine Flowering Plant Seeds Lupines polyphyllus This tall,...
Melon Seeds - Canary Yellow
80-120 Days to maturity. Cucumis melo. Canary Yellow Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Melon. Suitable for growing in garden plots, raised beds, and greenhouses. This winter melon...
Tomato Seeds - Slicing - Beefmaster Hybrid
80 Days to maturity (from transplant). Solanum lycopersicum. Beefmaster Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, greenhouses. Resistant to...
Tomato Seeds - Slicing - Mortgage Lifter
85-90 Days to maturity (from transplant). Solanum lycopersicum. Mortgage Lifter Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Roselle Seeds - Asian Sour Leaf (Hibiscus)
70-90 day maturity. Hibiscus sabdariffa. Asian Sour Leaf Roselle Seeds. Non-GMO, Cool-season perennial heirloom. This unique perennial can be grown as an annual in areas where it will not survive...
Hyssop Seeds
Non-GMO, Heirloom Hyssop Herb Garden Seed from True Leaf Market. Hyssopus officinalis. Hyssop is a flowering perennial herb native to regions in the Middle East. Shrub-like common Hyssop plants are...
African Marigold Seeds - Cracker Jack
77-84 Days to maturity. Tagetes erecta. Cracker Jack African Marigold Seeds. Non-GMO, annual, open-pollinated. Crackerjack seeds grow a vibrant golden orange and yellow mix of the famous African Marigold that...
Portulaca Seeds - Double Mix
84-91 Days to maturity. Portulaca grandiflora. Double Mix Portulaca Seeds. Non-GMO, annual. Double Mix portulaca seeds promise some of the most stunning, and most convenient succulents available to home gardeners....
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....
[
{
"featured_image": "files/tomatillo-grande-rio-verde-seeds-comp.jpg",
"secondary_image": "products/Seed_Pouch_1_8fd655f3-f2e6-4af0-b3db-6f745cf1d95a.jpg",
"price": 299,
"handle": "tomatillo-grande-rio-verde-seeds",
"title": "Tomatillo Seeds - Grande Rio Verde",
"url": "/products/tomatillo-grande-rio-verde-seeds",
"available": true
},
{
"featured_image": "files/celery-seeds-golden-self-blanching-comp.jpg",
"secondary_image": "products/Seed_Pouch_b299afff-36b0-4732-8330-beae6f37bf9c_3.jpg",
"price": 299,
"handle": "celery-seeds-golden-self-blanching",
"title": "Celery Seeds - Golden Self Blanching",
"url": "/products/celery-seeds-golden-self-blanching",
"available": true
},
{
"featured_image": "files/chives-seeds-comp.jpg",
"secondary_image": "products/chives-ready-for-harvest-wm_700.jpg",
"price": 299,
"handle": "chives-seeds",
"title": "Chives Seeds",
"url": "/products/chives-seeds",
"available": true
},
{
"featured_image": "files/Roselle-Seeds-Asian-Sour-Leaf-Hibiscus-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_f9e4017e-0706-4ca8-8b04-6c1f79fd96d2.png",
"price": 399,
"handle": "hibiscus-seeds-asian-sour-leaf-roselle",
"title": "Roselle Seeds - Asian Sour Leaf (Hibiscus)",
"url": "/products/hibiscus-seeds-asian-sour-leaf-roselle",
"available": false
},
{
"featured_image": "files/Hyssop-Seeds-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_946b542b-85f0-4d9b-8935-9532325d2efa.png",
"price": 299,
"handle": "hyssop-herb-seeds",
"title": "Hyssop Seeds",
"url": "/products/hyssop-herb-seeds",
"available": false
},
{
"featured_image": "files/oregano-greek-seeds-comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_5319a706-4da1-456d-85fe-e269bcb86b61.jpg",
"price": 299,
"handle": "oregano-greek-seeds",
"title": "Oregano Seeds - Greek",
"url": "/products/oregano-greek-seeds",
"available": true
},
{
"featured_image": "files/Oats-Whole-Organic-Grass-Seeds-comp.jpg",
"secondary_image": "products/oat-grain-seed-zoom-wm_700.jpg",
"price": 720,
"handle": "whole-oat-grain-seed-organic",
"title": "Oats - Whole (Organic) - Grass Seeds",
"url": "/products/whole-oat-grain-seed-organic",
"available": true
},
{
"featured_image": "files/marjoram-sweet-marjoram-seeds-Comp.jpg",
"secondary_image": "products/Seed_Pouch_1_dd10f5a8-307d-4dde-8fbb-5e67f1b819e4.jpg",
"price": 299,
"handle": "marjoram-sweet-marjoram-seeds",
"title": "Sweet Marjoram Seeds",
"url": "/products/marjoram-sweet-marjoram-seeds",
"available": true
},
{
"featured_image": "files/marigold-cracker-jack-flower-seeds-comp.jpg",
"secondary_image": "products/Seed_Pouch_1_0498319b-5c1e-4fb3-86c6-b49a6be6045f.jpg",
"price": 299,
"handle": "marigold-cracker-jack-flower-seeds",
"title": "African Marigold Seeds - Cracker Jack",
"url": "/products/marigold-cracker-jack-flower-seeds",
"available": false
},
{
"featured_image": "files/pepper-sweet-lilac-bell-wm_1_1222x1222_dd4028c1-ea02-4b7e-8ffe-9fa87e00e7ec.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_3.png",
"price": 299,
"handle": "pepper-sweet-lilac-bell",
"title": "Pepper - Sweet - Lilac Bell",
"url": "/products/pepper-sweet-lilac-bell",
"available": true
},
{
"featured_image": "files/Wildflower-Seeds-Bee-Mix-Comp.jpg",
"secondary_image": "products/bee-friendly-wildflower-mix-wm_700.jpg",
"price": 299,
"handle": "bee-friendly-wildflower-mix-seeds",
"title": "Wildflower Seeds - Bee Mix",
"url": "/products/bee-friendly-wildflower-mix-seeds",
"available": true
},
{
"featured_image": "files/tomato-rainbow-cherry-organic-seeds-comp.jpg",
"secondary_image": "files/Sustainable_1_lb.jpg",
"price": 359,
"handle": "tomato-rainbow-cherry-organic-seeds",
"title": "Tomato Seeds - Cherry - Rainbow Cherry Mix (Organic)",
"url": "/products/tomato-rainbow-cherry-organic-seeds",
"available": true
},
{
"featured_image": "products/basil-lemon-seed-wm_700.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_420b59f4-d9ef-46a3-96d3-519ad45b5dac.png",
"price": 299,
"handle": "basil-lemon",
"title": "Basil Seeds - Lemon",
"url": "/products/basil-lemon",
"available": true
},
{
"featured_image": "files/dahlia-figaro-series-flower-seeddahlia-figaro-series-flower-seed-comp.jpg",
"secondary_image": "products/dahlia-figaro-red-flower-wm_700.jpg",
"price": 419,
"handle": "dahlia-figaro-series-flower-seed",
"title": "Dahlia Seeds - Figaro Series (Coated)",
"url": "/products/dahlia-figaro-series-flower-seed",
"available": true
},
{
"featured_image": "files/green-sprouting-calabrese-broccoli-comp.jpg",
"secondary_image": "products/Seed_Packet_e3f2b09c-c29f-4d68-b797-18ea498a076d.jpg",
"price": 299,
"handle": "green-sprouting-calabrese-broccoli",
"title": "Broccoli Seeds - Green Sprouting Calabrese",
"url": "/products/green-sprouting-calabrese-broccoli",
"available": true
},
{
"featured_image": "files/Broccoli-Seeds-Di-Cicco-Organic-comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_5e6beadc-0426-48a4-ba1a-43d43c2b809d.jpg",
"price": 359,
"handle": "broccoli-di-cicco-organic",
"title": "Broccoli Seeds - Di Cicco (Organic)",
"url": "/products/broccoli-di-cicco-organic",
"available": true
},
{
"featured_image": "files/thyme-seeds-french-comp.jpg",
"secondary_image": "products/MVS-generic-packet_1_5ebafe4d-c5cf-4fe0-a2cc-ec563939acf4.jpg",
"price": 329,
"handle": "thyme-seeds-french",
"title": "Thyme Seeds - French",
"url": "/products/thyme-seeds-french",
"available": true
},
{
"featured_image": "files/Basil-Seeds-Holy-Basil-Green-Leaf-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_53e068e0-afe5-41d7-8969-12946262d8cf.png",
"price": 399,
"handle": "basil-seeds-holy-basil-green-leaf",
"title": "Basil Seeds - Green Leaf Holy Basil",
"url": "/products/basil-seeds-holy-basil-green-leaf",
"available": true
},
{
"featured_image": "files/melon-cantaloupe-imperial-45-seeds-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-wm_0b649a0a-71ae-4ff3-9ae0-768a92012a30.jpg",
"price": 309,
"handle": "melon-cantaloupe-imperial-45-seeds",
"title": "Melon Seeds - Cantaloupe - Imperial 45",
"url": "/products/melon-cantaloupe-imperial-45-seeds",
"available": true
},
{
"featured_image": "files/gazania-new-day-series-flower-seed-comp.jpg",
"secondary_image": "products/gazania-new-day-clear-orange-flower-wm_700.jpg",
"price": 509,
"handle": "gazania-new-day-series-flower-seed",
"title": "Gazania Seeds - New Day Series",
"url": "/products/gazania-new-day-series-flower-seed",
"available": true
},
{
"featured_image": "files/melon-cantaloupe-hearts-of-gold-seeds-comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_b83e5495-40ed-4b0c-9aeb-166d06e7e74b.jpg",
"price": 199,
"handle": "melon-cantaloupe-hearts-of-gold-seeds",
"title": "Melon Seeds - Cantaloupe - Hearts of Gold",
"url": "/products/melon-cantaloupe-hearts-of-gold-seeds",
"available": true
},
{
"featured_image": "files/portulaca-double-mix-flower-seed-comp.jpg",
"secondary_image": "products/Seed_Packet_1_2_6be3383b-5860-453f-ba0c-83f5b70dd941.jpg",
"price": 299,
"handle": "portulaca-double-mix-flower-seed",
"title": "Portulaca Seeds - Double Mix",
"url": "/products/portulaca-double-mix-flower-seed",
"available": false
},
{
"featured_image": "files/marigold-taishan-series-gold-flower-seed-comp.jpg",
"secondary_image": "products/marigold-taishan-series-gold-flower-wm_700.jpg",
"price": 379,
"handle": "marigold-taishan-series-gold-flower-seed",
"title": "African Marigold Seeds - Taishan Series",
"url": "/products/marigold-taishan-series-gold-flower-seed",
"available": true
},
{
"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/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/lovage-herb-seed-comp.jpg",
"secondary_image": "products/MVS-generic-packet_1_a56d0029-d475-4297-b67a-9b6a9f62deb5.jpg",
"price": 299,
"handle": "lovage-herb-seed",
"title": "Lovage Seeds",
"url": "/products/lovage-herb-seed",
"available": true
},
{
"featured_image": "files/collards-morris-heading-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_ca40196f-b928-4649-ba38-0a50ea1f2176.png",
"price": 299,
"handle": "collards-morris-heading",
"title": "Collards Seeds - Morris Heading",
"url": "/products/collards-morris-heading",
"available": true
},
{
"featured_image": "files/certified-organic-heirloom-vegetable-seeds-organic-tomato-seeds-organic-san-marzano-short-vine-Comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_c55c9f06-debf-49b8-9672-764e1bc345f5.jpg",
"price": 359,
"handle": "certified-organic-heirloom-vegetable-seeds-organic-tomato-seeds-organic-san-marzano-short-vine",
"title": "Tomato Seeds - Paste - San Marzano Determinate (Organic)",
"url": "/products/certified-organic-heirloom-vegetable-seeds-organic-tomato-seeds-organic-san-marzano-short-vine",
"available": true
},
{
"featured_image": "files/lupine-russell-mix-flower-wm_700_1222x1222_09afa2ae-0ca4-43c5-8c30-9ae2defd6048.jpg",
"secondary_image": "products/SeedPouch_2d75f497-9e9d-4ea1-b5a1-7992db87b5da.jpg",
"price": 329,
"handle": "lupine-russell-strain-mixture-flower-seeds",
"title": "Lupine Seeds - Russell Strain Mixture",
"url": "/products/lupine-russell-strain-mixture-flower-seeds",
"available": true
},
{
"featured_image": "files/melon-canary-yellow-seeds-comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_d4f89c83-54d5-4813-ad65-19f47ba95cf5.jpg",
"price": 299,
"handle": "melon-canary-yellow-seeds",
"title": "Melon Seeds - Canary Yellow",
"url": "/products/melon-canary-yellow-seeds",
"available": true
},
{
"featured_image": "files/tomato-beefmaster-hybrid-seeds-comp.jpg",
"secondary_image": "products/Seed_Pouch_1_1_e59448ba-d7cc-431b-a2d7-758acc938a29.jpg",
"price": 479,
"handle": "tomato-beefmaster-hybrid-seeds",
"title": "Tomato Seeds - Slicing - Beefmaster Hybrid",
"url": "/products/tomato-beefmaster-hybrid-seeds",
"available": true
},
{
"featured_image": "files/mortgage-lifter-tomato-seed-wm_700_1222x1222_d387b43a-5ab1-4440-ad15-82cce5a84a54.jpg",
"secondary_image": "files/MVS_1_lb.jpg",
"price": 339,
"handle": "tomato-mortgage-lifter-seeds",
"title": "Tomato Seeds - Slicing - Mortgage Lifter",
"url": "/products/tomato-mortgage-lifter-seeds",
"available": true
}
]
