Topepo Rosso

Family: Solanaceae Sweet Pepper

Sink your senses into Topepo Rosso’s glossy, horn-shaped peppers—crimson as a ripe sunset, with a firm, thick-walled feel that holds its shape beautifully.

Expect a bright, peppery heat that builds with confidence, delivering a satisfying bite whether you’re using them for bold sauces or for fresh, fiery flavor. A warm-season favorite at about 75 days, Topepo Rosso is made for gardeners who want striking color and dependable performance in every harvest.

Light: Full SunMaturity: 75 DaysHabit: Upright

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Mar 7th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Jun 20th
Harvest Begins	Sep 3rd
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	75
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	Stake
Planting Depth	Normal
Germination Temp (°F)	80
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	10

Culinary Notes

Chef's Note

Topepo Rosso’s thick wall and horn shape give you heat plus structure—it doesn’t turn mushy, so it holds up in hot oils, roasts, and chunky sauces. Treat it like a flavor baton: char for smokiness or slice fresh for a bright, pepper-forward burn.

Best Uses

char-and-peel for smoky sauces and quick purées
slice for chili oil or hot pickles where the flesh stays firm
stuff and roast—its thickness resists collapsing
chop into salsas that need heat without watery bleed

Flavor Profile

glossy, thick-walled snap bright, peppery heat with a quick, confident burn slightly sweet pepper flavor under the spice clean, roasted-pepper finish if cooked

Kitchen Pairings

garlic lime smoked paprika olive oil aged cheese (Parmigiano-Reggiano or Pecorino) chicken thighs

Frequently Asked Questions

What pest or disease most commonly affects Capsicum annuum (Italian pepperoncini/Topepo Rosso), and how can I manage it?

Watch for blossom-end rot caused by inconsistent watering and calcium uptake issues, which shows up as dark, sunken patches on the pepper’s bottom. Keep soil moisture steady—water deeply when the top 1–2 in (2–5 cm) dries rather than letting it swing dry/wet. If you see rot repeatedly, mulch to stabilize moisture and consider a soil test before adding calcium rather than adding large amounts of calcium without knowing the cause.

How often should I water Topepo Rosso (Capsicum annuum) during the main growing phase?

During flowering and fruit set, keep soil evenly moist: water about 1–2 times per week depending on heat, or whenever the top few inches begin to dry. Aim for deep watering that wets the root zone, and avoid frequent light splashes that keep the root zone uneven. In full sun at summer temperatures, container plants usually need more frequent checks to prevent drying between waterings.

How do I tell when Topepo Rosso (Capsicum annuum) is ready to harvest?

Harvest when pods have reached full size and have turned to a consistent red color, typically around 75 days from transplant. Peppers should feel firm and crisp, not soft or wrinkled, and they should snap or cut cleanly from the plant. If you pick slightly earlier you may get a firmer, less sweet flavor, but true Topepo Rosso is generally harvested when fully red.