Bird of Paradise (Strelitzia reginae, Strelitzia nicolai) is frequently grown as a houseplant. However, unlike some other popular houseplants, it is a “heavy feeder.” To give it the best chance of successful growth, you’ll want to provide a good dose of fertilizer at the right time of year. In most cases, it is best to feed your Bird of Paradise a single dose of slow-release fertilizer pellets in the springtime or provide weekly liquid fertilizer doses during the growing season.