Lipstick plant (Aeschynanthus radicans) is a popular house plant with an almost constant display of bright red, tubular flowers, that resemble lipsticks, against trailing, green foliage. Native to the rainforests of South East Asia, Aeschynanthus is an epiphytic plant, which means it doesn't grow in the ground but instead is found hanging from tree branches, where it gets its moisture from rain water vapour. As a house plant in the UK, it grows well in a free-draining, peat-free potting mix.AdvertisementLipstick plant thrives best in bright but indirect sunlight, in a warm, humid environment.How to grow lipstick plantGrow lipstick plant in a warm, humid environment, such as a bathroom, with bright but indirect sunlight. Water regularly but allow the water to completely drain from the pot and never leave its roots standing in water. Mist regularly to increase humidity. Feed weekly or fortnightly during spring and summer, and repot only when its roots have outgrown its container. Aeschyn...