The phrase "array of peppers" is correct and usable in written English.
It can be used when describing a variety or assortment of different types of peppers, often in a culinary or gardening context.
Example: "The farmer's market featured an impressive array of peppers, including jalapeños, bell peppers, and habaneros."
Alternatives: "variety of peppers" or "selection of peppers".
Stop off at Cosenza's for a dozen littleneck clams shucked fresh for you, then douse them with an endless array of pepper sauces or just a burst of lemon for $8.
Arrays of peppers and tomatoes are at stands in the urban green markets and at farm stands like the Green Thumb in Water Mill, L.I., and Hay Day in Greenwich, Westport, Fairfield and Hamden, Conn.
Just around the corner, at Whole Foods, shoppers bustle past a colorful array of squash, peppers and cucumbers.
Surveying the array of hot peppers for sale at the Fiery Foods Show, he describes the chipotle: "all brown and shriveled up like a stag's scrotum".
In Fairway Market's grocery store on Manhattan's Upper East Side, shoppers bustle past a colorful array of squash, peppers and cucumbers.
The Arctic village of Leknes, where I spent a year working on a novel, had no fewer than four supermarkets, each offering an array of Argentine peppers and bananas that quietly betrayed Norway's new wealth.
Butcher also uses a wonderful array of other veg: peppers, chillies, cabbage, courgette, mushrooms, cucumber, broad beans, peas, olives, sugarsnaps, mangetout, sweetcorn, broccoli, spinach, carrot and celery.
Its chunks of deboned duck were sublimely tender and the array of vegetables (bell peppers, carrots, snow peas, mushrooms, scallions, onions) lent appealing color to the platter.
"We're not looking to kill anybody, just to stop them," explained my tattooed instructor, Rico Mastroianni, fiercely clad in combat black and armed with an array of pistols, knives and pepper spray.
On another evening, however, a sausage pizza had a skimpy array of jalapeno and roasted red peppers, mozzarella, tomato sauce, mere crumbles of spicy Italian sausage and a nearly burned crust with no flavor.
