String of Pearls
String of Pearls drapes its bead-like leaves in cascading curtains of green, turning any shelf or hanging basket into living sculpture.
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Pearls on a Vine
String of Pearls is one of the most instantly recognizable succulents in the world - those plump, spherical leaves evolved to store water and minimize surface area in the arid landscapes of southwest Africa. Each 'pearl' is a modified leaf with a translucent stripe called an epidermal window that allows light to reach the photosynthesizing tissue inside.
In the wild, Curio rowleyanus creeps along the ground as a mat-forming groundcover, rooting where it touches soil. Indoors, its trailing stems - which can reach 2-3 feet or longer - make it a showstopper in hanging baskets or cascading from a tall shelf. Small, white, cinnamon-scented flowers may appear in late winter or spring, a welcome surprise.
Planting & care
Plant String of Pearls in a gritty, fast-draining cactus or succulent mix - poor drainage is the fastest way to lose one. A terracotta pot is ideal, as it wicks away excess moisture. Place in a bright spot with several hours of indirect light daily; an east-facing window is perfect. Avoid harsh afternoon sun, which can shrivel the pearls.
Water thoroughly but infrequently - soak the soil, then wait until it is completely dry before watering again. In winter, cut back to once a month or less. Fertilize lightly with a balanced liquid fertilizer diluted to half strength once or twice during the growing season (spring and summer). Repot only when the plant is visibly root-bound, stepping up just one pot size at a time.
The Golden Rule: When in Doubt, Don't Water
More String of Pearls plants are killed by overwatering than by any other cause. If the pearls look slightly shriveled, that is your cue to water - but if they are soft and mushy, root rot has likely set in. Check roots periodically; healthy roots are white and firm. If you catch rot early, cut away affected roots and stems, let the plant dry out for a day or two, and repot in fresh dry mix.
How much sun does String of Pearls need?
String of Pearls grows best in bright indirect light; some direct morning sun.
How often should you water String of Pearls?
Give it about every 2-3 weeks; allow soil to dry completely between waterings.