When to plant brussels sprouts in zone 4

Brussels Sprouts in USDA zone 4

Average zone 4 frost dates: last spring frost ≈ May 10, first fall frost ≈ Sep 25 (138 frost-free days). Local dates can vary by 2-3 weeks.

Long season; in hot-summer zones grow as a fall/winter crop.

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Other zones

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