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]()
Pak Choi - White Stem - Microgreens Seeds
8-12 Days to maturity. Brassica rapa subsp. chinensis. White Stem Pak Choi Microgreen Seeds. Pak Choi is a popular microgreen as it is easy to grow, mild in flavor, and...
Carrot Seeds - Scarlet Nantes
70 days. Scarlet Nantes carrot Seeds. Daucus carota subsp. sativus. Non-GMO. One of the most popular and widespread varieties of carrot ever, Scarlet Nantes has since been the original parent...
Sprouting Jar Kits
The Sprouting jar is the best way for beginners to start sprouting because (a) it is intended for smaller quantities and (b) is easy to start and maintain. Choose your...
Onion Seeds - Short - Red Creole
110 Days to maturity. Allium cepa. Red Creole Onion Seeds. Non-GMO, annual, open-pollinated, heirloom, bulbing, short-day onion. Suitable for growing in greenhouses, garden plots, raised beds, and containers. Resistant to...
Begonia Seeds - Tuberous - Nonstop Series (Pelleted)
119-133 Days to maturity. Begonia x tuberhybrida. Nonstop Series Tuberous Begonia Seeds. Non-GMO, hybrid, perennial, pelleted. Nonstop Series pelleted seeds promise exotic, easygoing 2-3-inch, mostly double blooms for hot, humid...
Pepper Seeds - Hot - Cayenne Long Slim
70-79 Days to maturity (from transplant). Capsicum annuum. Cayenne Long Slim Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, deer resistant, heat tolerant, drought tolerant, hot pepper with hot heat levels. 30,000...
10 x 20 Clear Humidity Dome
10 inch by 20 inch clear plastic humidity domes. Durable and reusable. Designed to fit perfectly with the 10" x 20" growing trays we offer. Choose Quantity. Click here to...
Arugula Seeds - Slow Bolt
40-45 days. Eruca vesicaria sativa. Non-GMO. Herb. Annual. Non-GMO Slow Bolt arugula seeds are one of the fastest-growing crops available to home gardeners and, since they are slower to bolt,...
Sectional Hydroponic Microgreens Starter Kit
If you are looking for a great way to get started growing microgreens, this sectional hydroponic kit allows you to grow smaller quantities of multiple simultaneous crops.This microgreens starter kit...
12lb Beginners Dozen Sprout Seeds
This Organic sprouting seed assortment includes: Alfalfa, Radish, Clover, Broccoli, Mung, Garbanzo, Green Pea, Bean Salad Mix, Protein Powerhouse Mix, Crunchy Lentil Mix, 3 Part Salad Mix & 5 Part...
Beet - Microgreens Seeds
12-23 days. Beet microgreens have beautiful variegated stems and leaves with an earthy, almost sweet flavor. Beet microgreens are easy to grow from seed in soil. Hydroponic mediums aren't suitable...
Cucumber Seeds - Muncher
65-70 days. Muncher Cucumber Seeds. Cucumis sativus. Non-GMO. Heirloom. One of the most reliably productive and tolerant grows on the farm or in the home garden, Muncher cucumber has become...
Mustard - Southern Giant Curled - Microgreens Seeds
7-10 days. Southern Giant Mustard microgreens are another oriental mustard with a stronger mustard bite that other oriental mustards. Makes a great choice for sandwiches or garnishes. Select a Different...
Moringa Seeds
160-170 Days to maturity. Moringa oleifera. Moringa Seeds. Non-GMO, Perennial, Deciduous Softwood Tree. Moringa is also known as the Drumstick Tree, Horseradish Tree, and Ben Oil Tree. It is enjoyed...
Corn Seeds - Sweet - Ambrosia F1 Hybrid
80-90 Days to maturity. Zea mays. Ambrosia F1 Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone...
Squash Seeds - Winter - Waltham Butternut (Organic)
110 days to maturity. Cucurbita moschata. Organic Waltham Butternut Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated, AAS winner. Suitable for growing in fields, garden plots, raised beds, and containers. The...
Radish Seeds - Cherry Belle (Organic)
Organic Cherry Belle is a Non- Gmo heirloom variety ready in 23 days. All-American Selection (AAS) winning radish variety that produces bright red globe-shaped fruit. The flesh or cherry belle...
Sage Seeds - Broad Leaved (Organic)
Salvia officinalis. Certified Organic. Perennial. 75 days. Non-GMO, Heirloom, Open Pollinated Organic Broad Leaved Sage Herb Garden Seed from True Leaf Market. Salvia officinalis. Sage plants are warm evergreens that...
Broccoli Sprouting Kit
Our Handy Pantry sprouting kit includes one Trellis + Co. stainless steel sprouting lid, 4 oz bag of non-GMO Organic broccoli sprouting seeds, one stainless steel sprouting stand, and additional...
Thyme Seeds - Common
2nd year maturity. Common Thyme Culinary Herb Seeds. Thymus vulgaris. Non-GMO. Popularly known as English thyme to differentiate between the many varieties, Common thyme seeds are one of the hardiest,...
Kale Seeds - Red Russian
50-60 days. Red Russian Kale Seeds. Brassica napus var. pabularia. Non-GMO. Heirloom. A popular and tenacious red variation to the ever-popular Russian kale, Red Russian grows a lighter, but still...
Crimson Clover - Organic - Cover Crop Seeds
70-90 Days. Trifolium incarnatum. Organic. Cover Crop. Non-GMO. Heirloom Organic crimson clover seeds are an ideal annual garden companion and cover crop for plants and soils deficient in nitrogen. Use...
Sunflower - Black Oil (Organic) - Microgreens Seeds
Organic Black Oil Sunflower Seeds. Shell On (Whole), Non-GMO. Open Pollinated. Helianathus Annus. 8-12 Days for mature, delicious microgreens. Sunflower microgreens are one of the easiest and most popular microgreens...
Sprout Garden - 3 Tray Stackable Seed Sprouter
Hands down our favorite and most popular sprouter. Stackable tray sprouting system grows variable quantities and several crops at once. Simple, BPA free, dishwasher safe, and made in the USA....
Pepper Seeds - Sweet - Emerald Giant
77 Days to maturity (from transplant). Capsicum annuum. Emerald Giant Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, drought tolerant, sweet pepper with no heat. 0 Scoville Heat Units. Resistant to...
Echinacea - Purple Coneflower Seeds
2nd Year maturity. Echinacea purpurea. Purple Coneflower Seeds. Non-GMO, Heirloom, Perennial. Echinacea grows as a warm-season perennial and flowering herb native to Eastern North America. These wildflowers are popular, as...
Cress - Curled - Microgreens Seeds
7 to 14 days. Lepidium sativum. Curled Cress Microgreens have a strong peppery taste that mellows as it grows larger. Grow only small quantities at the microgreens stage. Cress will...
Bean Seeds - Bush - BeSweet Edamame Soybean
75-105 Days to maturity. Glycine max. BeSweet Edamame Bean Seeds. Non-GMO, annual, open-pollinated, bush, shell, soybean, high-yielding, Asian bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
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