When to Plant Serrano Pepper in Missouri
Start Seeds Indoors
Friday, January 30, 2026
Transplant outdoors: Friday, April 24, 2026
State
Missouri
USDA Zones
5b, 6a, 6b, 7a, 7b, 8a
Avg Last Frost
Friday, April 10, 2026
Cities Covered
932
Missouri Planting Schedule by Zone
Missouri spans 6 zones — find yours below for the most accurate dates.
| Zone | Last Frost | Start Indoors | Transplant |
|---|---|---|---|
| 5b | Saturday, April 25, 2026 | Saturday, February 14, 2026 | Saturday, May 9, 2026 |
| 6a | Monday, April 20, 2026 | Monday, February 9, 2026 | Monday, May 4, 2026 |
| 6b | Wednesday, April 15, 2026 | Wednesday, February 4, 2026 | Wednesday, April 29, 2026 |
| 7a | Friday, April 10, 2026 | Friday, January 30, 2026 | Friday, April 24, 2026 |
| 7b | Sunday, April 5, 2026 | Sunday, January 25, 2026 | Sunday, April 19, 2026 |
| 8a | Friday, March 20, 2026 | Friday, January 9, 2026 | Friday, April 3, 2026 |
Dates based on average last frost. Check your local forecast before planting.
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Growing Serrano Pepper in Missouri: Complete Guide
Serrano Pepper (Capsicum annuum) is a warm-season crop that needs a head start indoors before Missouri's last frost. Most Missouri gardeners begin seeds indoors around Friday, January 30, 2026 and move transplants outside around Friday, April 24, 2026, after the risk of frost has passed.
Because Missouri stretches across 6 USDA hardiness zones (5b, 6a, 6b, 7a, 7b, 8a), planting windows can shift by as much as six to eight weeks from one end of the state to the other. Gardeners in the warmer southern zones can start earlier, while those in cooler northern zones should wait until the zone table above shows their last frost has passed.
With 80 days to maturity, Serrano Pepper needs the indoor head start that Missouri's growing season requires. Starting indoors ensures you have strong transplants ready the moment outdoor conditions are right.
Serrano Pepper requires full sun (6-8 hours) and moderate moisture. Most of Missouri receives adequate sunlight during the growing season, though gardeners in humid eastern regions should watch for fungal issues and ensure good air circulation.
For the most precise planting dates tailored to your exact location, enter your ZIP code on our planting calendar or use the zone table above to find the schedule for your area of Missouri.
Frequently Asked Questions
When should I plant Serrano Pepper in Missouri?
In Missouri, start Serrano Pepper seeds indoors around Friday, January 30, 2026 and transplant outdoors around Friday, April 24, 2026 after your last frost. Missouri spans zones 5b–8a, so dates shift by 1–4 weeks depending on where you live.
What is the last frost date in Missouri?
Missouri spans 6 USDA zones (5b, 6a, 6b, 7a, 7b, 8a), so last frost dates vary by region. Plevna, Coatsville, Glenwood (5b) sees frost until around Saturday, April 25, 2026, while Arbyrd, Cardwell, Cooter (8a) is frost-free much earlier.
How long does Serrano Pepper take to grow in Missouri?
Serrano Pepper takes about 80 days from transplant (or direct sow) to harvest. Starting seeds indoors in Missouri gives you a head start so plants are ready to go out after the last frost.
What USDA zones does Missouri cover for Serrano Pepper?
Missouri includes zones 5b, 6a, 6b, 7a, 7b, 8a. Serrano Pepper grows well across all of these zones with adjusted timing — use the zone table above to find the right dates for your part of the state.
Find Precise Dates for Your City
Select a city for exact planting dates based on local frost records.