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 - 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,...
Eggplant Seeds - Fairy Tale Hybrid
50 days. AAS Winner for 2005. New miniature eggplants are white with violet/purple stripes. The fruit are non-bitter, with a tender skin and few seeds. The elongated, oval eggplants can...
Lettuce Seeds - Leaf - Lollo Rosso
50-70 days. These non-GMO Lollo Rosso lettuce seeds grow into green leaves with red edges that are ready to harvest in 60 days. The Lollo Rosso thrives in full sun...
Pepper Seeds - Hot - Fresno Chili
75-80 Days to maturity (from transplant). Capsicum annuum. Fresno Chili Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, high yielding, deer resistant, heat tolerant, drought tolerant, hot pepper with medium heat levels....
Watermelon Seeds - Picnic - Moon & Stars (Organic)
95 Days to maturity. Citrullus lanatus. Organic Moon & Stars Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. These medium-sized...
Spinach Seeds - New Zealand
Non-GMO New Zealand Spinach is an excellent option for warmer gardens because you get a longer growing season. Not spinach, but a more heat-tolerant substitute for spinach. Similar taste to...
Gourds Seeds - Large Mix
100-120 days. Lagenaria sp. Mix of many large type Lagenaria gourds. Approximately 255 seeds/oz.; with sprawling vines, gourds require widespread areas for growth; rows can be planted 2 - 3...
Tomato Seeds - Paste - Rio Grande
80 Days to maturity (from transplant). Solanum lycoperscium. Rio Grande Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, determinate, paste tomato. Suitable for growing in garden plots, raised beds, and...
Cucumber Seeds - Marketmore 76
67 days. The Marketmore 76 cucumber is a variety of cucumber that is sweet and tender. The Marketmore 76 is dark green and smooth, and grows to be between eight...
Pumpkin Seeds - Jack O Lantern - Organic
Cucurbita pepo. (105 days) This is a pumpkin with lots of great uses. Jack O'Lantern makes a fantastic carving pumpkin for Halloween of course. This pumpkin also divine in soups,...
Pak Choi Seeds - Extra Dwarf
Cabbage Seeds - Pak Choi - Extra Dwarf. Heirloom, Non-GMO. Annual. Brassica rapa (Chinensis group). 30 days. Cool-warm season. This specialty pak choi variety is smaller than baby pak choi....
Watermelon Seeds - Icebox - Bush Sugar Baby
75 Days to maturity. Citrullus lanatus. Bush Sugar Baby Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, Icebox watermelon. Suitable for growing in garden plots and large containers (minimum...
Bean Seeds - Bush - Midori Giant Edamame Soybean
80 Days to maturity. Glycine max. Midori Giant Edamame Soybean Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, bush, shell, soybean, Asian bean. Suitable for growing in containers, garden plots, raised...
Petunia Seeds - Prism Sunshine (pelleted)
98-105 Days to maturity. Petunia x hybrida. Prism Sunshine Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Prism Sunshine petunia seeds are a gorgeous and award-winning compliment to any home...
Basil Seeds - Red Rubin
Non-GMO, Open-pollinated Red Rubin Basil Herb Seed from True Leaf Market. Ocimum basilicum x purpurascens. As basil has many different types, Red Rubin Basil is a sweet cultivar and hybrid...
Sunflower Seeds - Italian White
90-110 Days to maturity. Helianthus debilis. Italian White Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. Heirloom. Italian White sunflower seeds grow some of summer's most elegant, classic, and vigorous blooms....
Calendula Seeds - Bon Bon Series
91-98 Days to maturity. Calendula officinalis. Bon Bon Series Calendula Seeds. Non-GMO, Ornamental, Annual. Bon Bon Series seeds grow one of the most celebrated, lush, and brilliant blooms of any...
Pepper Seeds - Sweet - Sunbright
75 Days to maturity (from transplant). Capsicum annuum. Sunbright Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, sweet pepper with no heat. 0 Scoville Heat Units. Suitable for growing in garden plots,...
Lettuce Seeds, Crisphead - Webbs Wonderful
Non-GMO Webbs Wonderful Crisphead is an English lettuce that does well in the heat. Very large and robust heads with crumpled leaves, Webbs Wonderful has a fine distinct flavor and...
Pumpkin Seeds - Small Sugar - Organic
Cucurbita (95 days) Sometimes called New England Pie Pumpkin. The long time favorite and standard for pies. None grows any sweeter. Fruits small, 6-8 lbs; round, flattened at the ends...
Tomato Seeds - Cherry - Juliet Hybrid
60 Days to maturity (from transplant). Solanum lycoperscium. Juliet Hybrid Tomato Seeds. Non-GMO, AAS Winner, annual, F1 hybrid, indeterminate grape tomato. Suitable for growing in garden plots, raised beds, and...
Corn Seeds - Sweet - Bodacious R/M Hybrid
80-90 Days to maturity. Zea mays. Bodacious R/M Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone...
Bean Seeds - Bush - Black Turtle (Organic)
75-100 Days to maturity. Phaseolus vulgaris. Organic Black Turtle Bean Seeds. Non-GMO, annual, open-pollinated, organic, heirloom, bush, shelling bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Fenugreek Seeds
Non-GMO, Open Pollinated. Heirloom Fenugreek Herb Garden Seed from True Leaf Market. Trigonella foenum-graecum. Fenugreek is a warm fast-maturing annual that's been used as an incense dating back to Ancient...
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...
Cucumber Seeds - Pickling - Wisconsin SMR
55-58 Days to maturity. Cucumis sativus. Wisconsin SMR-58 Pickling Cucumber Cucumber Seeds. Non-GMO, annual, open-pollinated, heirloom, monoecious, pickling cucumber. Suitable for growing in fields, containers (with support), garden plots, raised...
Pepper Seeds - Hot - Hungarian Yellow Wax
58 to 85 Days to maturity (from transplant). Capsicum annuum. Pepper, Hot - Hungarian Hot Wax - Organic Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, deer resistant, heat tolerant, drought tolerant,...
Bean Seeds - Bush - Provider (Organic)
50-65 Days to maturity. Phaseolus vulgaris. Organic Provider Bush Bean Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, high yielding, heat tolerant, bush, snap, green bean. Suitable for growing in containers, garden...
Eggplant Seeds - Long Ping Tung
Long Ping Tung Eggplant Seeds originate from Ping Tung, Taiwan. Plants are disease resistant and do well even in heat. Fruits produced are 12-18" long and 1.25" wide. They are...
Bean Seeds - Pole - Akasanjaku Yard Long
75 Days to maturity. Vigna unguiculata subsp. sesquipedalis. Akasanjaku Yard Long Bean Seeds. Non-GMO, annual, open-pollinated, heat-tolerant, heirloom, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden plots,...
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...
Parsley Seeds - Triple Moss Curled
70-80 Days to maturity. Petroselinum crispum. Triple Moss Curled Parsley Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Triple Moss Curled...
[
{
"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/eggplant-fairy-tale-hybrid-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-oz-sm_a317d12d-d640-4b22-aa17-6d2059b4c7de.png",
"price": 409,
"handle": "eggplant-fairy-tale-hybrid",
"title": "Eggplant Seeds - Fairy Tale Hybrid",
"url": "/products/eggplant-fairy-tale-hybrid",
"available": true
},
{
"featured_image": "files/lettuce-leaf-lolla-rossa-seeds-Comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_aa017579-0f4b-4331-adfe-594741647dc4.jpg",
"price": 299,
"handle": "lettuce-leaf-lolla-rossa-seeds",
"title": "Lettuce Seeds - Leaf - Lollo Rosso",
"url": "/products/lettuce-leaf-lolla-rossa-seeds",
"available": true
},
{
"featured_image": "files/pepper-seeds-hot-fresno-chili-comp.jpg",
"secondary_image": "products/MVS-generic-packet_1_199519bc-b072-4421-a40c-fda0b07eceba.jpg",
"price": 299,
"handle": "pepper-seeds-hot-fresno-chili",
"title": "Pepper Seeds - Hot - Fresno Chili",
"url": "/products/pepper-seeds-hot-fresno-chili",
"available": true
},
{
"featured_image": "files/watermelon-moon-and-stars-organic-seeds-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sus-wm-comp_4d8fad9a-6240-4c0f-a32a-ce3023a541ff.jpg",
"price": 359,
"handle": "watermelon-moon-and-stars-organic-seeds",
"title": "Watermelon Seeds - Picnic - Moon & Stars (Organic)",
"url": "/products/watermelon-moon-and-stars-organic-seeds",
"available": true
},
{
"featured_image": "files/spinach-seeds-new-zealand-Comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_ccb358ff-caf6-4ea0-b359-99d3de09a445.jpg",
"price": 309,
"handle": "spinach-seeds-new-zealand",
"title": "Spinach Seeds - New Zealand",
"url": "/products/spinach-seeds-new-zealand",
"available": true
},
{
"featured_image": "files/gourds-large-mix-seeds-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_62b8140b-b411-4961-ae68-d16ee3d6be35.png",
"price": 329,
"handle": "gourds-large-mix-seeds",
"title": "Gourds Seeds - Large Mix",
"url": "/products/gourds-large-mix-seeds",
"available": true
},
{
"featured_image": "files/organic-provider-bush-bean-seeds-comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_2b1eb8d4-1aea-4dd4-a739-b4cd56e483fa.jpg",
"price": 359,
"handle": "organic-provider-bush-bean-seeds",
"title": "Bean Seeds - Bush - Provider (Organic)",
"url": "/products/organic-provider-bush-bean-seeds",
"available": false
},
{
"featured_image": "files/tomato-rio-grande-seeds-comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_0b71cc3d-5cba-4e5a-b476-1066cbf09ab8.jpg",
"price": 299,
"handle": "tomato-rio-grande-seeds",
"title": "Tomato Seeds - Paste - Rio Grande",
"url": "/products/tomato-rio-grande-seeds",
"available": true
},
{
"featured_image": "files/cucumber-76-marketmore-human-Org-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_9d53d67a-b3ac-4393-ad33-0dbc9a982d6d.png",
"price": 199,
"handle": "cucumber-marketmore-76",
"title": "Cucumber Seeds - Marketmore 76",
"url": "/products/cucumber-marketmore-76",
"available": true
},
{
"featured_image": "files/organic-jack-olantern-pumpkin-seed-comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_609636de-58b5-4ea7-9f5a-2cf005f0b6e7.jpg",
"price": 359,
"handle": "organic-jack-olantern-pumpkin-seed",
"title": "Pumpkin Seeds - Jack O Lantern - Organic",
"url": "/products/organic-jack-olantern-pumpkin-seed",
"available": true
},
{
"featured_image": "files/cabbage-seeds-pak-choi-extra-dwarf-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_d75af865-97c5-4ded-87af-64a7c84d1b14.png",
"price": 399,
"handle": "cabbage-seeds-pak-choi-extra-dwarf",
"title": "Pak Choi Seeds - Extra Dwarf",
"url": "/products/cabbage-seeds-pak-choi-extra-dwarf",
"available": true
},
{
"featured_image": "files/bush-sugar-baby-watermelon-Comp.jpg",
"secondary_image": "products/Seed_Packet_04ea808d-3269-4318-81f3-1502a9f9904e.jpg",
"price": 299,
"handle": "bush-sugar-baby-watermelon",
"title": "Watermelon Seeds - Icebox - Bush Sugar Baby",
"url": "/products/bush-sugar-baby-watermelon",
"available": true
},
{
"featured_image": "files/soybean-midori-giant-eda-mame-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_42c9ed4b-1d7e-4bbc-a718-93f5d752fb36.png",
"price": 399,
"handle": "soybean-midori-giant-eda-mame",
"title": "Bean Seeds - Bush - Midori Giant Edamame Soybean",
"url": "/products/soybean-midori-giant-eda-mame",
"available": true
},
{
"featured_image": "files/1747759826_petunia_prism_sunshine_pelleted_comp_6a8432dc-0766-4aaa-bd78-559dc87cfd8b.jpg",
"secondary_image": "files/petunia-prism-sunshine-pelleted-flower-seeds-comp.jpg",
"price": 299,
"handle": "petunia-prism-sunshine-pelleted-flower-seeds",
"title": "Petunia Seeds - Prism Sunshine (pelleted)",
"url": "/products/petunia-prism-sunshine-pelleted-flower-seeds",
"available": true
},
{
"featured_image": "files/basil-seeds-red-rubin-comp.jpg",
"secondary_image": "products/MVS-generic-packet_1_38a8dc7f-c422-4cb0-8e66-1aec46354c78.jpg",
"price": 309,
"handle": "basil-seeds-red-rubin",
"title": "Basil Seeds - Red Rubin",
"url": "/products/basil-seeds-red-rubin",
"available": true
},
{
"featured_image": "files/sunflower-italian-white-flower-seed-comp.jpg",
"secondary_image": "products/Seed_Pouch_1_1_1_1_936a3d91-a0df-410c-bc5c-4ec54d1f2229.jpg",
"price": 299,
"handle": "sunflower-italian-white-flower-seed",
"title": "Sunflower Seeds - Italian White",
"url": "/products/sunflower-italian-white-flower-seed",
"available": true
},
{
"featured_image": "files/1683645909_CopyofKitazawa-WM-White_600x600px_62_1222x1222_0874f5e9-3152-48d5-a845-12c351ddbaeb.jpg",
"secondary_image": "files/eggplant-long-ping-tung-comp.jpg",
"price": 399,
"handle": "eggplant-long-ping-tung",
"title": "Eggplant Seeds - Long Ping Tung",
"url": "/products/eggplant-long-ping-tung",
"available": false
},
{
"featured_image": "files/calendula-bon-bon-series-flower-seeds-Comp.jpg",
"secondary_image": "products/calendula-bon-bon-series-seed-wm_700.jpg",
"price": 309,
"handle": "calendula-bon-bon-series-flower-seeds",
"title": "Calendula Seeds - Bon Bon Series",
"url": "/products/calendula-bon-bon-series-flower-seeds",
"available": true
},
{
"featured_image": "files/pepper-sweet-sunbright-seeds-comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_681ac715-b726-4805-8e3f-ee1a2fc1e7d9.jpg",
"price": 299,
"handle": "pepper-sweet-sunbright-seeds",
"title": "Pepper Seeds - Sweet - Sunbright",
"url": "/products/pepper-sweet-sunbright-seeds",
"available": true
},
{
"featured_image": "files/yard-long-bean-akasanjaku-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_3698bf43-f74c-4f4b-bf8c-745f997c8e91.png",
"price": 399,
"handle": "yard-long-bean-akasanjaku",
"title": "Bean Seeds - Pole - Akasanjaku Yard Long",
"url": "/products/yard-long-bean-akasanjaku",
"available": false
},
{
"featured_image": "files/lettuce-seeds-crisphead-webbs-wonderful-comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_11744d88-c621-49e7-885d-acc955bddbd7.jpg",
"price": 299,
"handle": "lettuce-seeds-crisphead-webbs-wonderful",
"title": "Lettuce Seeds, Crisphead - Webbs Wonderful",
"url": "/products/lettuce-seeds-crisphead-webbs-wonderful",
"available": true
},
{
"featured_image": "files/organic-small-sugar-pumpkin-comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_8c236694-4275-4ed2-a7d8-be8d93f487db.jpg",
"price": 359,
"handle": "organic-small-sugar-pumpkin",
"title": "Pumpkin Seeds - Small Sugar - Organic",
"url": "/products/organic-small-sugar-pumpkin",
"available": true
},
{
"featured_image": "files/tomato-juliet-hybrid-seeds-comp.jpg",
"secondary_image": "products/Seed_Pouch_1_1_1_ce9c8e0b-d8c9-486f-82e3-0c4e12df0c24.jpg",
"price": 399,
"handle": "tomato-juliet-hybrid-seeds",
"title": "Tomato Seeds - Cherry - Juliet Hybrid",
"url": "/products/tomato-juliet-hybrid-seeds",
"available": true
},
{
"featured_image": "files/Corn-Seeds-Sweet-Bodacious-Hybrid-RM-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_b61e5695-971c-453c-8bbd-3c3ac4479bf5.png",
"price": 399,
"handle": "corn-se-bodacious-r-m-hybrid-vegetable-seed",
"title": "Corn Seeds - Sweet - Bodacious R/M Hybrid",
"url": "/products/corn-se-bodacious-r-m-hybrid-vegetable-seed",
"available": true
},
{
"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/black-turtle-beans-organic-bulk-grains-foods-comp.jpg",
"secondary_image": "products/16-ounce-black-turtle-beans-seed-seed_700_cc8679c4-5077-4f6b-bf25-1a423cb4c600.jpg",
"price": 890,
"handle": "black-turtle-beans-organic-bulk-grains-foods",
"title": "Bean Seeds - Bush - Black Turtle (Organic)",
"url": "/products/black-turtle-beans-organic-bulk-grains-foods",
"available": true
},
{
"featured_image": "files/Fenugreek-Seeds-comp.jpg",
"secondary_image": "products/Seed_Packet_1_1_e24da27a-3f2d-479c-8a59-7d4e0d411813.jpg",
"price": 299,
"handle": "fenugreek-seeds",
"title": "Fenugreek Seeds",
"url": "/products/fenugreek-seeds",
"available": true
},
{
"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/cucumber-pickling-wisconsin-smr-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_397ef197-1dfe-452e-836d-42847cc1025f.png",
"price": 199,
"handle": "cucumber-pickling-wisconsin-smr",
"title": "Cucumber Seeds - Pickling - Wisconsin SMR",
"url": "/products/cucumber-pickling-wisconsin-smr",
"available": true
},
{
"featured_image": "files/parsley-triple-moss-curled-comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_65641dee-b34d-4760-acd1-b0025bc61f29.jpg",
"price": 299,
"handle": "parsley-triple-moss-curled",
"title": "Parsley Seeds - Triple Moss Curled",
"url": "/products/parsley-triple-moss-curled",
"available": false
},
{
"featured_image": "files/pepper-hot-hungarian-yellow-wax-hot-seeds-comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_364d5c17-6ab4-49a4-add0-6610655c20b6.jpg",
"price": 199,
"handle": "pepper-hot-hungarian-yellow-wax-hot-seeds",
"title": "Pepper Seeds - Hot - Hungarian Yellow Wax",
"url": "/products/pepper-hot-hungarian-yellow-wax-hot-seeds",
"available": true
}
]
