When to Plant Serrano Pepper in Ferney, South Dakota (57439)
Location
Ferney, South Dakota
ZIP Code
57439
USDA Zone
4a
Last Frost
Friday, May 15, 2026
📅 Planting Calendar
Pro Tip: Start Serrano Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors around Friday, May 29, 2026.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Moderate
↔️
Spacing
18" apart
🌱
Planting Depth
0.25" deep
Seeds typically germinate in 7-14 days
Ready to Plant Serrano Pepper in Ferney?
Get your seeds now so they're ready by Friday, March 6, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Other Plants for Ferney
Growing Serrano Pepper in Zone 4a
Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Ferney, South Dakota, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 6, 2026.
Your average last frost date is Friday, May 15, 2026. Plan to transplant your Serrano Pepper seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.