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.
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![Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites]()
Watermelon Seeds - Picnic - Golden Honey
85-88 Days to maturity. Citrullus lanatus. Golden Honey Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Golden Honey is a sweet and sugary treat. This 10 by...
Pumpkin Seeds - Montana Jack
Cucurbita pepo (90 days) Montana Jack was created by famed plant breeder John Navazio. This pumpkin was selected by John to be an early maturing variety making it great for...
Pumpkin Seeds - Wolf
Non-GMO Wolf Pumpkins are ready in 120 Days. Wolf pumpkin produces the most incredible handle you have ever seen. Its 15 to 25 lb. round to oblate-shaped fruit has a...
Pumpkin Seeds - Lil Pump-ke-mon (Treated)
90-100 Days to maturity. Cucurbita pepo. Lil Pump-ke-mon Pumpkin Seeds. Non-GMO, Annual, Hybrid. This compact vine produces beautiful show-stopping 1-2 lb small pumpkins. Their white skin is highlighted with medium...
Gourds Seeds - Dipper Long Handle
110+ days. For carving, burning, painting or just looking at. Blossom end about 4 inches across with neck from 8 to 12 inches long. Usually curved but can be grown...
Melon Seeds - Cantaloupe - Planters Jumbo
80-90 Days to maturity. Cucumis melo. Planters Jumbo Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Gourd Seeds - Nam Tao Yai - Hybrid
70-75 Days to maturity. Lagenaria siceraria. Warm-season annual hybrid. Nam Tao Yai Hybrid Seeds. This high-yielding variety is also known as White-flowered gourd, Upo, or Opo and has vigorous, multi-branched...
Watermelon Seeds - Giant - Black Diamond Yellow Belly
90 - 95 Days to maturity. Citrullus lanatus. Black Diamond Yellow Belly Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, giant watermelon. This watermelon has red flesh with a...
Melon Seeds - Honeydew - Earli-Dew Hybrid
80 Days to maturity. Cucumis melo. Earli Dew Hybrid Honeydew Melon Seeds. A non-GMO, annual, F1 hybrid, heat tolerant, Honeydew Melon. Suitable for growing in garden plots, raised beds, and...
Gourd Seeds - Crown of Thorns Shenot
110-125 days. Non-GMO. Heirloom. Shenot Crown of Thorns Gourd Seeds from True Leaf Market yield small decorative gourds featuring blunt, horn-like protrusions which make the gourd resemble a crown of...
Melon Seeds - Collective Farm Woman
83 Days to maturity. Cucumis melo. Collective Farm Woman Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant specialty Melon. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Pumpkin Seeds - Thumpkin
120 days. A new pumpkin variety characterized by it's flattened or "Long Island Cheese" like shape, but with a dark orange color and an extra thick "handle" or stem. It...
Watermelon Seeds - Picnic - Mountain Sweet
85-100 Days to maturity. Citrullus lanatus. Mountain Sweet Yellow Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. 2004 Seed Saver Inventory...
Melon Seeds - Cantaloupe - Edisto 47
85 Days to maturity. Cucumis melo. Edisto 47 Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant, humidity-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses....
Gourd Seeds - Fong Show - Hybrid
55-65 days maturity after transplanting. Benincasa hispida var. chieh-qua ’Fong Show’. Fong Show Gourd Seeds. Non-GMO, warm-season, annual, hybrid. This jointed gourd, hairy melon, or mokwa variety is an early...
Watermelon Seeds - Picnic - AU Producer
85 Days to maturity. Citrullus lanatus. AU Producer Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. Originally bred in Alabama, in...
Melon Seeds - Banana
80-100 Days to maturity. Cucumis melo. Banana Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Melon. Suitable for growing in garden plots, raised beds, and greenhouses. These unique melons got...
Melon Seeds - Casaba - Bidwell
C. indorus (95 days) This melon originated just a few minutes away from us here in Chico, CA. Bidwell is named after John Bidwell, who was a general in the...
Gourd Seeds, Bitter- Dark Jade - Hybrid
55 to 60 Days to maturity. Momordica charantia. Dark Jade Bitter Gourd Hybrid Seeds. Non-GMO Annual Hybrid. This warm season annual is a high yielding, India-type bitter gourd. Dark green,...
Gourd Seeds - Martinhouse Bottle
Martinhouse Bottle Gourd Seeds. 90 - 110 days to maturity. Lagenaria siceraria. Heirloom, Annual. ~ 185 seeds/ounce Download Free Vegetable Growing Guide PDF Gourd Seeds - Martinhouse Bottle Download Free...
Watermelon Seeds - Picnic - Crimson Sweet Yellow (Organic)
80 Days to maturity. Citrullus lanatus. Crimson Sweet Yellow Organic Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Organic Crimson Sweet Yellow watermelon is very similar...
Pumpkin Seeds - Spookie
Non-GMO, heirloom Spookie Pumpkin Seeds from True Leaf Market produce fruit weighing between 6 and 10 lbs. that has smooth orange skin and subtle ribbing. Each pumpkin measures approximately 6"...
Gourd Seeds - Dok - Hybrid
80-90 days to maturity. Luffa cylindrica ’Dok’. Dok Gourd Seeds. Non-GMO warm-season annual hybrid. This beautiful plant produces early maturing, vigorous fruits. It is high yielding, has lateral branches, and...
Melon Seeds - Valencia Early
90 Days to maturity. Cucumis melo. Valencia Early Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant specialty Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Known for...
Pumpkin Seeds - Gooligan F1
Gooligan F1 Hybrid Pumpkin Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 95 days to maturity. Gooligan F1 is a hybrid white Baby Boo type. The quarter pound fruit are slightly...
Melon Seeds - Cantaloupe - Hales Best 45 PMR
68-90 Days to maturity. Cucumis melo. Hale’s Best 45 PMR Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant, drought-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots, raised...
Watermelon Seeds - Picnic - Shiny Boy Hybrid (treated)
90 Days to maturity. Citrullus lanatus. Treated Shiny Boy Hybrid Watermelon Seeds. Non-GMO, annual, hybrid, heat-tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. 2010 Vegetable AAS Winner. Known...
Melon Seeds - Cantaloupe - Honey Rock (Organic)
80 Days to maturity. Cucumis melo. Organic Honey Rock Cantaloupe Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, AAS winner, heat-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots,...
Pumpkin Seeds - Fall Rainbow Blend - Organic
Organic Fall Rainbow Blend Pumpkin Seeds. 60 to 105 days to maturity. Cucurbita maxima. Open Pollinated, Non-GMO, Annual. ~ 225 Seeds/ounce. Download Free Vegetable Growing Guide PDF Pumpkin Seeds -...
Watermelon Seeds - Icebox - Hime Kansen Hybrid
95 Days to maturity. Citrullus vulgaris. Hime Kansen Hybrid Japanese Watermelon Seeds. Non-GMO, annual, hybrid, heat tolerant, seeded, icebox watermelon. Suitable for growing in garden plots. This Japanese watermelon is...
Competition Pumpkin Seeds - 400 lb plus
115+ Days to maturity. Non-GMO Competition Pumpkin 400 lb. Plus pumpkin seeds from True Leaf Market come from competition pumpkins that weighed 400 lbs. or more. Whether you want to...
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