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USDA Hardiness Zones

3, 4, 5, 6, 7, 8, 9, 10, 11

Learn more about USDA Hardiness Zones here

Planting Tips

Start seeds indoors 4-6 weeks before last frost - Soak seeds in warm water for 24 hours before planting to improve germination, then plant ½ inch deep in seed starting mix at 75-85°F for best results, expecting sprouting in 7-14 days.
Transplant outdoors after soil reaches 65°F and all frost danger passes - Choose a sunny location with well-draining, fertile soil and space plants 3-4 feet apart, as these vigorous vines can spread 10-15 feet and need room to grow.
Provide strong vertical support structures - Install sturdy trellises, fences, or arbors at planting time since mature fruits can weigh 5-20 pounds each, and training vines upward saves space while preventing ground rot.
Water consistently but avoid overwatering - Keep soil evenly moist during establishment and flowering, then reduce watering as fruits mature to prevent splitting and encourage proper curing for storage varieties.
Feed regularly throughout the growing season - Apply balanced fertilizer every 3-4 weeks, switching to low-nitrogen, high-phosphorus formula once flowering begins to promote fruit development over excessive leaf growth.

Bottle Gourd Seeds - Calabash Gourd - Lagenaria Siceraria

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