When to plant watermelon in zone 6

Watermelon in USDA zone 6

Average zone 6 frost dates: last spring frost ≈ Apr 20, first fall frost ≈ Oct 20 (183 frost-free days). Local dates can vary by 2-3 weeks.

Sow in warm soil (70 °F+); in short seasons start indoors 3-4 weeks early in pots.

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Other zones

• Watermelon in zone 3
• Watermelon in zone 4
• Watermelon in zone 5
• Watermelon in zone 7
• Watermelon in zone 8
• Watermelon in zone 9
• Watermelon in zone 10
• Zone 6 planting calendar