How to Grow Serrano Pepper

Start Serrano Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors 2 weeks after the last frost. Use the search on this page to find exact dates for your ZIP code or city.

Serrano Pepper typically matures in about 80 days from planting. Exact timing varies by variety, soil conditions, and local climate.

Serrano Pepper should be started indoors 10 weeks before the last frost date. This gives seedlings time to establish before being transplanted outside after frost danger has passed.

Serrano Pepper requires full sun (6-8 hours) to thrive.

Space Serrano Pepper plants 18 inches apart to allow adequate airflow and root development.

Serrano Pepper has moderate water needs. Consistent moisture is important especially during germination and early growth.

Yes — seed saving difficulty for Serrano Pepper is rated moderate. Allow peppers to fully ripen red on the plant. Remove seeds carefully — serrano is quite hot. Dry flat for 1–2 weeks. Gloves recommended.

Properly dried and stored Serrano Pepper seeds remain viable for up to 2 years. Store in a cool, dark, dry location in an airtight container with a silica gel packet for best results.

Yes — Serrano Pepper is open-pollinated, meaning seeds saved from your harvest will grow plants true to the parent variety. This makes it an excellent candidate for building a self-sustaining garden.