My Succulent Is Turning Pink . You will notice your plant turning red or changing colors during the hot summer months and cold winter months. Some plants have purple leaves because they are able to produce anthocyanin, a pigment that gives the leaves their color. My prickly pear cactus pad is turning pink, is that normal? plantclinic from www.reddit.com If you suspect the plant is being overwatered, water less frequently and wait for the soil to dry out in between waterings. Water therapy can quickly replenish the water supply of extremely underwatered succulents, but it’s the last resort. Fungal infections usually appear as spots or patches on the surface of your plant’s leaves and stems.