The best indoor flowers are those that are well-suited to the indoor environment, including easily controlled size or plants that naturally grow in contained areas and plants that can handle indoor temperatures and abnormal light cycles. Look for flowers that add visual interest while being adaptable to indoor growth.
Miniature roses (Rosa spp.) are one of the best indoor flowers, used as potted plants or hung in baskets. In a wide variety of colors excluding blue, miniature roses develop new blooms on their own roots and perform well at providing visual beauty in a confined space. Thriving in a day of full sunlight, roses need a minimum of six hours of sun, preferably during the morning hours to dry up dew that creates an ideal environment for fungal infections. With a preference for loose, well-drained soil, miniature roses look like standard varieties but on a smaller scale; these roses reach a height of 8 to 24 inches, according to the Clemson University Extension.
Geranium flowers (Pelargonium spp.) are very well-suited for indoor use, according to the Clemson University Extension. Potted geraniums may be grown indoors all year long and display brightly hued flowers in whites, corals, pinks, reds and oranges with interesting foliage. They can be planted in hanging baskets, window boxes and in pots. Because they thrive in a minimum of four hours of direct sunlight, consider placing geraniums in a window. Geraniums prefer moist, well-drained soil that is allowed to dry out between each watering. Since these plants come in a wide variety of colors, sizes and habits, the growth range spans from 6 inches high to more than 3 feet, according to the Clemson University Extension.
Amaryllis flowers (Hippeastrum spp.) are one of your best indoor flowers because they are easy to maintain in the home environment and produce a blossom with a strong visual impact. Well-suited for use as a potted plant, amaryllis flowers display blossoms that resemble a lily in hues of red, white, salmon, orange, pink and bi-color options with up to six blooms per stalk. Keep amaryllis flowers in areas exposed to direct sunlight, preferably at least four hours a day. When possible, place in a southern-facing window, the Clemson University Extension suggests. Amaryllis plants prefer well-drained, slightly acid soil with a pH of 6.0 to 6.5.