Live Succulents Plants Succulents String of Hearts Variegated (4" Pot) Ceropegia woodii 'String of Hearts' Variegated would be glad to be set at a sunny spot with bright, indirect sunlight in your home. This plant is drought tolerant, so you can water it sparingly, especially in the wintertime. Allow the soil to nearly dry out and then water thoroughly. For soil, You can use a cactus soil potting mix or combine regular potting mixture of soil with sand. About the temperature, 45-95 Fahrenheit degrees is OK for it. With your good care, its vines can grow quite long to 4 feet or more.