Perky-Pet Instant Orange Oriole Nectar Concentrate , so your orioles get just the essential energy they need to thrive. In addition, this nectar features a bright orange color and natural citrus flavors that orioles are known to flock to. They won’t be able to resist stopping for a drink! This concentrate makes feeding hummingbirds simple, just add water to the powder. Simply mix 4 teaspoons of concentrate powder to 3 ounces of water until you create the desired amount of nectar. The 8-oz bag makes up to 48 ounces of oriole nectar, so you’ll be in good supply through many visits. There’s no need to boil it and our nectar requires no refrigeration, making storage a breeze!