Warm Winter / Frost-Free Areas
Zones: 9b–12
March can be peak garden season in these warm-winter zones. It is also a "pivot" month for gardening in much of the warmer parts of these zones. The risk of frost is over. Cool-season crops are in and doing well. March & April are the times to start transitioning from cool-season greens to heat-loving summer crops.
Indoors (fresh harvests):
- Microgreens: peas, broccoli, sunflowers, arugula.
- Sprouts: alfalfa, broccoli, radish, mung
- Herbs & greens under lights: chives, parsley, mint
Transplants to move outdoors (weather permitting - harden first): pepper, tomato, eggplant, melons, basil
Crops that can be directly sown outdoors in March: cucumber, squash, beans, corn, melons, okra, plus replanting for many greens and root crops
Cover crops: buckwheat, cow peas, sorghum
Tip: A SoCal zone 10 can be different from a Florida zone 10. Consider checking with your state Extension Service office for more specific recommendations and guidelines.
Use your USDA zone as a guide. Microclimates matter—coastal/urban spots run warmer; high elevation runs colder.
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![Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites]()
Tomato Seeds - Cherry - Supersweet 100 Hybrid
70 Days to maturity (from transplant). Solanum lycoperscium. Supersweet 100 Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, greenhouses, containers,...
Corn Seeds - Sweet - Peaches and Cream Hybrid
80-90 Days to maturity. Zea mays. Peaches and Cream Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Tomato Seeds - Cherry - Sungold Hybrid
57 Days to maturity (from transplant). Solanum lycoperscium. Sungold Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, greenhouses, containers, and...
Tomato Seeds - Salad - Better Boy Plus Hybrid
70 Days to maturity (from transplant). Solanum lycoperscium. Better Boy Tomato Seeds. Non-GMO, annual, hybrid, heat tolerant, indeterminate, salad tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Tomato Seeds - Salad - Celebrity Plus Hybrid
72 Days to maturity (from transplant). Solanum lycoperscium. Celebrity Plus Hybrid Tomato Seeds. Non-GMO, annual, hybrid, AAS winner, semi-determinate, salad tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Salad - Early Girl Hybrid
60 Days to maturity (from transplant). Solanum lycoperscium. Early Girl Hybrid Tomato Seeds. Non-GMO, annual, hybrid, heat tolerant, drought tolerant, indeterminate, salad. Suitable for growing in garden plots, raised beds,...
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...
Corn Seeds - Sweet - Ambrosia Hybrid
80-90 Days to maturity. Zea mays. Ambrosia Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone regions....
Tomato Seeds - Cherry - Sunsugar Hybrid
62 Days to maturity (from transplant). Solanum lycoperscium. Sunsugar Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, greenhouses, and containers....
Tomato Seeds - Slicing - Big Beef Hybrid
73 Days to maturity (from transplant). Solanum lycopersicum. Big Beef Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, AAS winner 1994, heat tolerant, drought tolerant, indeterminate, slicing tomato. Suitable for growing...
Onion Seeds - Intermediate - Candy Hybrid
85 Days to maturity. Allium cepa ‘Candy’. Candy Onion Seeds. Non-GMO, annual, hybrid, bulbing, intermediate-day onion. Suitable for growing in greenhouses, garden plots, and raised beds. Resistant to Pink Root...
Corn Seeds - Sweet - (su) Early Sunglow Hybrid
62 Days to maturity. Zea mays. Early Sunglow Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone...
Pak Choi Seeds - Tall White Stem - Hybrid
25-35 days for Miao (early stage), 45-50 Days to maturity. Brassica rapa var. Chinensis. Tall White Stem Pak Choi Hybrid Seeds.Non-GMO, Annual, Hybrid. Cool-Warm Season. Excellent pak choi variety for...
Squash Seeds - Summer - Golden Glory Hybrid
53 days. The 7 to 8 inch, 2-3" in diameter, smooth, waxy-skinned, gold fruits have creamy white, excellent tasting flesh. The vigorous open plant bears fruit of superior quality and...
Tomato Seeds - Paste - La Roma IV Hybrid
76 Days to maturity (from transplant). Solanum lycoperscium. La Roma IV Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, determinate, paste tomato. Suitable for growing in garden plots, raised beds, and...
Tomato Seeds - Slicing - Jet Star Hybrid
72 Days to maturity (from transplant). Solanum lycopersicum. Jet Star Hybrid Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Cucumber Seeds - Sweet Success Hybrid
60 days. The Sweet Success Hybrid cucumber is a large variety of cucumber that is sweet and tender. The Sweet Success Hybrid is dark green and smooth, and grows to...
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...
Tomato Seeds - Slicing - Bush Early Girl Hybrid
63 Days to maturity (from transplant). Solanum lycoperscium. Bush Early Girl Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, determinate, heat tolerant, slicing tomato. Suitable for growing in containers, garden plots,...
Begonia Seeds - Fibrous - Cocktail Series (Pelleted)
105-112 Days to maturity. Begonia x semperflorens. Cocktail Series Fibrous Begonia Seeds. Non-GMO, hybrid, annual flower. Cocktail Series seeds easily grow classic and tidy begonias bursting with timeless - inch...
Corn Seeds - Sweet - Kandy Korn Hybrid
80-90 Days to maturity. Zea mays. Kandy Korn Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone...
Zinnia Seeds - Profusion Series (Coated)
54-70 Days to maturity. Zinnia elegans x angustifolia. Profusion Series Zinnia Seeds. Non-GMO, organic, annual. Profusion Series Zinnia flower seeds promise to turn your tired summer bedding into an award-winning...
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 - Lemon Boy Hybrid
75-80 Days to maturity (from transplant). Solanum lycopersicum. Lemon Boy Hybrid Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds,...
African Marigold Seeds - Inca II Series
77-84 Days to maturity. Tagetes erecta. Inca II Series African Marigold Seeds. Non-GMO, annual, hybrid. Inca II Series African marigold seeds invite timeless AAS award-winning color for your home, patio,...
Cucumber Seeds - Diva Hybrid
58 days. The Diva Hybrid cucumber is an early variety of cucumber that is sweet and tender. The Diva Hybrid is dark and semi glossy, and grows to be between...
Squash Seeds - Summer - Zucchini, Endurance BC, F1
Summer Squash, Endurance BC-2 F1. Cucurbita pepo. AKA: Zucchini. Squashes started showing up in Italian kitchens as early as 1600, the "Zucchini" variety probably originated around 1850. Extremely productive, and...
Corn Seeds - Sweet - Silver Queen Hybrid
88 Days to maturity. Zea mays. Silver Queen Hybrid Sweet Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Cucumber Seeds, Japanese - Progress - Hybrid
50-60 Days to Maturity.Cucumis sativus Progress Japanese Cucumber Seeds F1. Hybrid. Non-GMO. Annual. Non-GMO. This Japanese cucumber has glossy, green, smooth skin and is crisp and very tasty. This is...
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