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]()
Pumpkin Seeds - Harvest Princess F1 PMT
Harvest Princess F1 PMT Hybrid Pumpkin Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 85 days to maturity. This little darling weighs about 1.5 pounds and has a tremendous yield of...
Tomato Seeds - Slicing - Kellogg's Beefsteak (Organic)
80 Days to maturity (from transplant). Solanum lycopersicum. Organic Kellogg’s Breakfast Tomato Seeds. Non-GMO, warm season annual, organic, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised...
Pepper Seeds - Sweet - Quadrata D'Asti Rosso
80-85 Days to Maturity. Capsicum annuum. Quadrato D'Asti Rosso Pepper Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom, sweet pepper. A large, green to red, sweet, blocky bell pepper. It produces thick-walled,...
Pepper Seeds - Hot - Peter Red
85-100 Days to maturity (from transplant). Capsicum annuum. Peter Red Hot Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, deer resistant, heat tolerant, hot pepper with medium heat levels. 10,000 to 23,000...
Tomato Seeds - Slicing - Mamie Brown's
80-90 Days to maturity (from transplant). Solanum lycoperscium. Mamie Brown’s Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses. The...
Cauliflower Seeds - Violet Queen
85 Days to maturity. Brassica oleracea var. botrytis. Violet Queen Cauliflower Vegetable Seeds. Non-GMO, open-pollinated, annual cauliflower seeds. A highly productive variety that is perfect for sunny containers or gardens....
Tomato Seeds - Cherry - Gum Drop Pink Hybrid
75 Days to maturity (from transplant). Solanum lycoperscium. Gum Drop Pink Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Salad - Juane Flamme Orange
70-80 Days to maturity (from transplant). Solanum lycopersicum. Jaune Flamme Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate salad tomato. Suitable for growing in garden plots, raised beds, greenhouses,...
Tomato Seeds - Slicing - Kentucky Beefsteak
75-115 Days to maturity (from transplant). Solanum lycopersicum. Kentucky Beefsteak Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Cherry - Colored Cherry Mix Hybrid
80 Days to maturity (from transplant). Solanum lycoperscium. Colored Cherry Mix Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and...
Clarkia Seeds - Mix
60-90 Days to maturity. Clarkia unguiculata. Mixed Clarkia Seeds. Non-GMO, annual, ornamental flower, open-pollinated, wildflower. Also known as Elegant Clarkia, Elegant Fairyfan, or Mountain Garland. These annual wildflower clarkia blooms...
Tomato Seeds - Salad - Stuffer Striped
85 Days to maturity (from transplant). Solanum lycopersicum. Stuffer Striped Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds, and...
Basil Seeds - Fino Verde
80 Days to maturity. Ocimum basilicum. Fino Verde Basil Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Fino Verde basil is...
Watermelon Seeds - Picnic - Regal Hybrid
85 Days to maturity. Citrullus lanatus. Regal F1 Hybrid Watermelon Seeds. Non-GMO, annual, hybrid, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. New large seeded hybrid diploid...
Tomato Seeds - Slicing - Amana Orange (Organic)
85-90 Days to maturity (from transplant). Solanum lycoperscium. Organic Amana Orange Tomato Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and...
Watermelon Seeds - Striped Peacock WR-60
Striped Peacock WR60 Watermelon Seeds. 85 Days. Annual. Heirloom, non-GMO, open pollinated seeds. Citrullus lanatus. AKA: Peacock. This heirloom watermelon prefers sandy soils and like all watermelons likes full sun...
Grape Hyacinth Bulbs - Muscari Armeniacum
20 Bulb Bag This is a pre-order item that is expected to ship in Late October to November for fall planting. Other seeds, supplies, or kits ordered with this product...
Tomato Seeds - Salad - St. Pierre
74-88 Days to maturity (from transplant). Solanum lycopersicum. St Pierre Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Salad - Red Peach
75-80 Days to maturity (from transplant). Solanum lycopersicum. Red Peach Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Slicing - Quarter Century
80-85 Days to maturity (from transplant). Solanum lycopersicum. Quarter Century Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, slicing tomato. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Tomato Seeds - Slicing - Flame (Organic)
85 Days to maturity (from transplant). Solanum lycopersicum. Organic Flame Tomato Seeds. Non-GMO, warm season annual, organic, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Sunflower Seeds - Lemon Queen (Organic)
80-100 Days to maturity. Helianthus annus. Organic Lemon Queen Sunflower Seeds. Non-GMO, organic, open-pollinated, heirloom, annual, multi-branching sunflower. This bright sunflower features light, lemony petals and a light brown center...
Tomato Seeds - Slicing - Sunny Boy Hybrid
80 Days to maturity (from transplant). Solanum lycopersicum. Sunny Boy Hybrid Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, semi-determinate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Pumpkin Seeds - Harvest Queen F1
Harvest Queen F1 Hybrid Pumpkin Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 80 days to maturity. A new high yielding sugar pie hybrid with concentrated sets. Approximately 200 Seeds /...
Seed Potatoes - Cal White (Organic)
This item is a pre-order item and is expected to ship in March for spring planting. Other seeds, supplies, or kits ordered with this product may ship separately. This product...
Gladiolus Bulbs - Mardi Gras Mixture
10 Bulb Bag This is a pre-order item and is expected to ship from February to March. Other seeds, supplies, or kits ordered with this product will ship separately. This...
Calla Lily Bulbs - Mixture
5 Bulb Bag This is a pre-order item and is expected to ship from March to April. Other seeds, supplies, or kits ordered with this product will ship separately. This...
Watermelon Seeds - Picnic - Triple Prize Hybrid
>Triple Prize F1 Hybrid Watermelon Seeds. Citrullus lanatus. F1 Hybrid. Non-GMO. Annual. 85 days to maturity. Seedless. A triploid watermelon with medium green rind with dark stripes slightly darker than...
Tomato Seeds - Slicing - Red Truffle
80-85 Days to maturity (from transplant). Solanum lycopersicum. Red Truffle Tomato Seeds. Non-GMO, warm season annual, open-pollinated, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Cosmos Seeds - Dwarf Sensation Mix - Organic
60-90 Days to maturity. Cosmos bipinnatus. Organic Dwarf Sensation Mix Cosmos Seeds. Non-GMO, annual, Heirloom, Open Pollinated. Dwarf Sensation Mix Cosmos seeds offer adorably compact and vibrant flowers that are...
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