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]()
Squash Seeds - Summer - Trieste White Zucchini
Trieste White Zucchini Squash produces short fruits that are very pale green in color, and are tender and delicious. Non- GMO Half Long White Zucchini are early producers, produce on...
Eggplant Seeds - Konasu
60 days maturity after transplant. Solanum melongena ’Konasu’. Konasu Eggplant Seeds. Non-GMO, warm-season, annual, heirloom. This tiny, bite-sized, rounded eggplant has shiny dark purple skin that looks almost onyx. The...
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...
Mustard Seeds - Wasabi
45 days. This mustard has large green leaves with wavy edges and a fun wasabi-like bite. Easy to grow, this mustard is also cold hardy and vigorous. Don't be mistaken,...
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...
Cucumber Seeds - Chinese Snake Curved
The Chinese Snake Curved cucumber is the curved variation of Chinese Snake cucumbers. It has strong vines that yield long curved cucumbers. Fruits are dark green and grow to be...
Eggplant Seeds - Shoya Long - Hybrid
60 days maturity after transplant. Solanum melongena ’Shoya Long’. Shoya Long Eggplant Seeds. Non-GMO, warm-season, annual, hybrid. An early maturing hybrid with high yields and an upright plant habit. The...
Tomato Seeds - Slicing - Grandeur Hybrid
70 Days to maturity (from transplant). Solanum lycopersicum. Grandeur Hybrid Japanese Tomato Seeds. Non-GMO, warm season annual, F1 hybrid, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds,...
Tomato Seeds - Cherry - Pink Thai Egg
65-70 Days to maturity (from transplant). Solanum lycopersicum. Pink Thai Egg Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, cherry tomato. Suitable for growing in garden plots, raised beds, greenhouses, and...
Triticale (Organic) - Grass Seeds
Triticale seeds are an unexpectedly tasty sprout. It is very sweet after germination and wll surpise you how wll it goes on salads! Triticale grass seeds have a pleasant, very...
Zinnia Seeds - Zowie Yellow Flame (Coated)
54-70 Days to maturity. Zinnia elegans. Zowie Yellow Flame Zinnia Seeds. Non-GMO, organic, Annual. Yellow Flame zinnia seeds are an effortless and vibrant way to grow season-long brilliance in your...
Chinese Cabbage Seeds - Spring Crisp - Hybrid
63-65 Days to maturity. Brassica rapa var. Pekinensis ‘Spring Crisp’. Spring Crisp Chinese Cabbage Hybrid seeds. Annual. Hybrid. Spring Crisp is desirable for its resistance to bolting during warm weather....
Lettuce Seeds - Butterhead - White Boston
White Boston butterhead lettuce is an improved Boston variety that does well in humidity and heat. Heads grow high off the ground, so the full head is usable. Heads are...
Pea Seeds - Shelling - Alaska
65-75 Days to maturity. Pisum sativum. Alaska Pea Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to powdery mildew. Known...
Bean Seeds - Pole - Blue Lake FM1K (Treated)
65 Days to maturity. Phaseolus vulgaris. Blue Lake Pole FM1K treated Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, drought-tolerant, pole, snap string bean. Suitable for growing in containers, garden plots,...
Carrot Seeds - Shin Kuroda 5"
Non-GMO, heirloom Shin Kuroda 5" Carrot Seeds from True Leaf Market are a variant of the Chantenay-type Shin Kuroda carrot developed in Japan. The roots grow to about 5" long...
Pea Seeds - Shelling - Patio Pride AAS (Organic)
40–50 Days to maturity. Pisum sativum. Patio Pride Pea Seeds (Organic), AAS Winner. Non-GMO, annual, open-pollinated. Suitable for growing in containers, raised beds, and small garden spaces. This compact, early-maturing...
Onion Seeds - Intermediate - Red Cipollini
90 Days to maturity. Allium cepa. Red Cipollini Onion Seeds. Non-GMO, annual, open-pollinated, heirloom, bulbing, long-day onion. Suitable for growing in greenhouses, garden plots, and raised beds. Red Cipollini is...
Beet Seeds - Green Top Bunching - Organic
(60 days) Green Top Bunching beets have flattened, globe-shaped roots. Beet roots are red and tasty. Perfect for cooking or pickling. Organic Green Top Bunching Beets Seeds Green top bunching...
Lettuce Seeds - Leaf - Flame
Flame Leaf Lettuce Seeds. 60 days to full maturity. 30 days to maturity for baby leaves. Lactuca sativa. Heirloom. Annual. Flame is a bright red leaf type selected from our...
Tomato Seeds - Paste - Andiamo Hybrid
65 Days to maturity (from transplant). Solanum lycoperscium. Andiamo Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, paste tomato. These 5-inch-long bright red elongated paste fruits are firm and meaty,...
Bean Seeds - Pole - Shironata Mame Sword
80-90 Days to maturity. Canavalia gladiata. Shironata Mame Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Eggplant Seeds - Hansel Hybrid
Packet of 100 seeds. 55 days. AAS Winner for 2008. New, compact eggplant produces tender, non-bitter fruits that from true miniature sizes (2 to 3 inches in length), all the...
Squash Seeds - Summer - 49er F1
49er F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 50 days to maturity. Marketable as a baby squash or full-size fruit, 49er F1 is a delicious golden yellow...
Eggplant Seeds - Kamo
65 days maturity after transplant. Solanum melongena ’Kamo’. Kamo Eggplant Seeds. Non-GMO, warm-season, annual, heirloom. Kamo is a highly prized traditional kyo yasai or Kyoto vegetable from the Kamo area...
Celosia Seeds - Plumed - Kimono Mixture
85-95 Days to maturity. Celosia argentea. Kimono Mixture Plumed Celosia Flower Seeds. Non-GMO, Annual. This mix of vibrant celosias is perfect for patios, porches, and smaller plantings. The extra-dwarf plants...
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...
Scabiosa Seeds - HiGro Mix
90-100 days to maturity. Scabiosa atropurpurea. HiGrow Mix Scabiosa Flower Seeds. Non-GMO, annual, open-pollinated. This crop is suitable for growing in containers, garden plots, borders, and greenhouses. HiGrow Mix (a.k.a....
Toraji Seeds - Balloon Flower
90-120 days to maturity Platycodon grandiflorus (Jacq.) A. DC. Balloon Flower Toraji Seeds. Non-GMO, Heirloom. Perennial in Zones 3-8. Roots can be harvested after 2-3 years. Balloon Flower can also...
Alyssum Seeds - Rosie O Day
63-77 Days to maturity. Lobularia maritima. Rosie O Day Alyssum Seeds. Non-GMO, Open-Pollinated, Annual. Rosie O'Day Alyssum flower seeds grow frost-tolerant and award-winning blooms where other flowers would wither. Rosie...
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