Why isn't my lipstick plant not blooming?
Too much water and too much direct sun (or too little) may be to blame. It likes temps of 70-80 F and high humidity. These issues plus too much nitrogen cause bud failure. So it is a bit fussy; learn how to care for lipstick plant with this article. https://www.gardeningknowhow.com/houseplants/lipstick-plant/growing-lipstick-plants.htm