Problems

String of Pearls Problems: Causes & Quick Fixes

Quick answer

String of Pearls is prone to 17 common issues - each link below is a plant-specific fix guide.

String of Pearls houseplant

String of Pearls problems

Use the guides below to diagnose and fix common issues on String of Pearls. Each problem page explains why it happens on this species and what to do first.

Or use our problem diagnosis tool to narrow down symptoms.

Common problems on String of Pearls

Likely cause: Overwatering or moisture-retaining soil; the most common cause of death in this plant

Quick fix: Remove from pot; cut away black or mushy roots and stems; repot in dry cactus mix; do not water for 7–10 days

Full fix guide →

Likely cause: Underwatering causes wrinkled, shrivelled pearls that cause strands to droop

Quick fix: Water thoroughly and allow to drain completely; pearls should plump up within 24 hours

Full fix guide →

Likely cause: Too much direct afternoon sun or prolonged underwatering

Quick fix: Move out of direct afternoon sun; check if soil is bone dry and water if so

Full fix guide →

Mealybugs

Medium

Likely cause: Mealybugs colonise in the crown where strands are dense

Quick fix: Dab with isopropyl alcohol on a cotton swab; apply neem oil spray weekly

Full fix guide →

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Aphids

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Wilting

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Frequently asked questions

How often should I water String of Pearls?

Water sparingly-every 2–3 weeks in summer; barely once a month in winter. The pearls store water and rot easily.

What light does String of Pearls need?

String of Pearls grows best in bright indirect light with some morning direct sun, direct morning sun.

Is String of Pearls toxic to pets?

String of Pearls is toxic to cats, dogs, rabbits, horses, turtles, and tortoises. Keep out of reach of curious pets and choose pet-safe alternatives for accessible spots.

How do I propagate String of Pearls?

Propagate String of Pearls from healthy stem or root divisions during active growth.

What soil is best for String of Pearls?

Use fast-draining succulent or cactus mix-moisture retention causes inevitable rot.

When should I repot String of Pearls?

Repot String of Pearls when roots circle the pot or growth slows despite good care.

Why does my String of Pearls have root rot?

Overwatering or moisture-retaining soil; the most common cause of death in this plant Quick fix: Remove from pot; cut away black or mushy roots and stems; repot in dry cactus mix; do not water for 7–10 days

How this String of Pearls problems guide is reviewed?

Editorial policyReview board

Written by · Reviewed by LeafyPixels Review Board · Updated June 22, 2026

This String of Pearls problems problem guide was researched and written by . Problems symptoms on String of Pearls, lookalike causes, and step-by-step fixes are cross-checked against extension pest, disease, and care references before publication.

We prioritize sources that hold up under scrutiny:

  • University cooperative extension bulletins and fact sheets (Penn State, Clemson, UMD, NC State, and similar programs)
  • Botanical garden and horticultural society publications
  • Peer-reviewed plant science and veterinary toxicology references where pet safety matters (including ASPCA Animal Poison Control)
  • Established reference works on indoor plant culture

The LeafyPixels editorial team then reviews the draft for clarity, step-by-step usefulness, and fit with real apartment and home conditions-not ideal greenhouse setups. When guidance changes materially, we update the page and note the revision date.


Sources used

  1. **sour or rotten smell** (n.d.) Overwatering. [Online]. Available at: https://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/insects-pests-and-problems/environmental/overwatering (Accessed: 22 June 2026).
  2. acclimate to brighter exposure gradually (n.d.) Indoor Plants Moving Plants Indoors Outdoors. [Online]. Available at: https://hgic.clemson.edu/factsheet/indoor-plants-moving-plants-indoors-outdoors/ (Accessed: 22 June 2026).
  3. allowing the top inch to dry before watering (n.d.) How Treat Pesky Fungus Gnats Houseplants. [Online]. Available at: https://extension.umn.edu/yard-and-garden-news/how-treat-pesky-fungus-gnats-houseplants (Accessed: 22 June 2026).
  4. ASPCA (n.d.) String of Pearls. [Online]. Available at: https://www.aspca.org/pet-care/animal-poison-control/search?query=string%20of%20pearls (Accessed: 22 June 2026).
  5. ASPCA Animal Poison Control Center (n.d.) Animal Poison Control. [Online]. Available at: https://www.aspca.org/pet-care/animal-poison-control (Accessed: 22 June 2026).
  6. between touching leaves, in branch crotches, and near the soil (n.d.) Mealybugs. [Online]. Available at: https://ipm.ucanr.edu/home-and-landscape/mealybugs/ (Accessed: 22 June 2026).
  7. biological control with *Bacillus thuringiensis* subsp. *israelensis* (BTI) (n.d.) Fungus Gnats. [Online]. Available at: https://ipm.ucanr.edu/home-and-landscape/fungus-gnats/ (Accessed: 22 June 2026).
  8. Bottom-watering can keep the surface drier (n.d.) Fungus Gnats On Houseplants. [Online]. Available at: https://hort.extension.wisc.edu/articles/fungus-gnats-on-houseplants/ (Accessed: 22 June 2026).
  9. can attract spider mites (n.d.) Houseplant Patrol Keep Scouting Keep Em Clean. [Online]. Available at: https://extension.umn.edu/yard-and-garden-news/houseplant-patrol-keep-scouting-keep-em-clean (Accessed: 22 June 2026).
  10. Colorado State Extension (n.d.) Fungus Gnats As Houseplant And Indoor Pests. [Online]. Available at: https://extension.colostate.edu/resource/fungus-gnats-as-houseplant-and-indoor-pests/ (Accessed: 22 June 2026).