Diablo Grande

Family: Solanaceae Hot Pepper

Aromatic heat with a glossy, lantern-bright presence—Diablo Grande Cayenne peppers ripen to a rich, deep red that practically glows in the garden.

Expect slender, tapered pods with crisp, snappy texture and a classic cayenne bite that’s bold yet clean, ideal for brightening sauces and adding fiery character to roasted favorites. Grow for a steady harvest of uniform, showy peppers that look as good as they taste—straight from the plant to your favorite heat-forward preparations.

Light: Full SunMaturity: 75 DaysHabit: Bush

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	Bush
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

Diablo Grande’s heat is bold but stays bright, making it ideal for heat-forward sauces where you want flavor first and burn second. Its slender, crisp pods toast quickly without turning bitter, so they stay snappy when chopped fresh and keep their bite when dried and ground.

Best Uses

quick-pickle slices for instant fiery crunch
cayenne-forward pan sauce after browning meat (toast briefly, then deglaze)
roast and blend into a smooth chile purée or vinaigrette
grind dried pods for a hot, fragrant seasoning blend

Flavor Profile

clean, sharp cayenne heat peppery, roasted-aroma bite snappy, lantern-crisp flesh

Kitchen Pairings

garlic lime olive oil smoked paprika chicken vinegar

Frequently Asked Questions

What pest or disease issue commonly affects Capsicum annuum (Diablo Grande) and how can I control it?

Watch for aphids and spider mites, which cluster on new growth and can stunt Diablo Grande peppers. Rinse plants with a strong jet of water, then spray insecticidal soap (especially the undersides of leaves) every 5–7 days until they’re gone. If you see wilting and brown streaking or sudden collapse, remove affected plants promptly to limit spread, since Solanaceae peppers are prone to soil-borne wilt problems.

How often should I water Diablo Grande peppers during the main growing phase?

During flowering and fruit set (roughly after plants establish), keep soil consistently moist but not soggy—aim for watering when the top 1 inch of soil starts to dry. Water deeply so moisture reaches the root zone, typically about 1–2 times per week depending on heat, with container plants often needing more frequent watering. Avoid letting the soil swing between very dry and very wet, since Capsicum annuum can drop flowers and set fewer fruits when moisture is inconsistent.

How do I know when Diablo Grande peppers are ready to harvest?

Harvest when pods have reached full mature size and have turned from green to a glossy deep red. If you want sweeter flavor, wait until they are fully red; if you harvest green, expect a sharper taste but an earlier pick. From transplant to harvest, plan on about 75 days, checking plants regularly once they start changing color.