Watering. The string of hearts is a semi-succulent plant, which means it is more tolerant of dry soil than wet soil and is prone to rotting in wet soil. You should water it sparingly, if in doubt. You can always add more water. You can confidently allow the soil to dry out completely between waterings.
String of Hearts only need infrequent fertilizers and half-diluted fertilizers. They can be fed at most once a month during their active growth period in May – August. They don't need any fertilizer during winter, their dormant period.
Place your String of Hearts where it can receive plenty of bright indirect light. Small doses of direct sun are good, however too much direct sun can scorch the leaves. This plant is not suitable for lower light environments.
These plants thrive in temperatures of 60 to 80 degrees Fahrenheit. String of hearts do not do well in cold winters, so make sure your plant is not exposed to temperatures below 41 degrees. Add fertilizer to encourage flower growth.
When should you repot string of hearts plant? When your rosary vine's roots are popping out through the drainage holes, it means that it's time to repot it. Repotting your Ceropegia Woodi will give your plant a new home, which will be bigger with more room for the roots to grow.