When to Plant Broccoli Raab in Trail City, South Dakota (57657)
Location
Trail City, South Dakota
ZIP Code
57657
USDA Zone
4b
Last Frost
Tuesday, May 5, 2026
📅 Planting Calendar
Pro Tip: Sow Broccoli Raab directly outdoors 6 weeks before your last frost date.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Regular (1-2 inches/week)
↔️
Spacing
6" apart
🌱
Planting Depth
0.5" deep
Seeds typically germinate in 4-7 days
Ready to Plant Broccoli Raab in Trail City?
Get your seeds now so they're ready by Tuesday, March 24, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Other Plants for Trail City
Growing Broccoli Raab in Zone 4b
Broccoli Raab (Brassica rapa subsp. rapa) is a popular garden vegetable. In Trail City, South Dakota, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, March 24, 2026.
Your average last frost date is Tuesday, May 5, 2026. Broccoli Raab grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.