How to make “string of dolphins” fuller?

String of Dolphins (Senecio peregrinus) is a delightful and unique succulent that charms plant enthusiasts with dolphin-shaped leaves trailing along its vines. While it’s a relatively easy plant to care for, achieving that lush, full look can be tricky. If you want to make your String of Dolphins fuller, here are some expert tips and tricks to help you out.

Understanding the Basics

Before diving into the specific techniques, it’s important to understand the plant’s basic needs:

  • Light: Bright, indirect sunlight is ideal. Too much direct sunlight can scorch the leaves, while too little light will cause leggy growth.
  • Water: String of Dolphins prefers a “soak and dry” method. Water thoroughly when the soil is completely dry, but avoid letting the plant sit in water.
  • Soil: Well-draining soil is crucial to prevent root rot. A cactus or succulent mix is usually best.
  • Temperature: These plants thrive in temperatures between 60-80°F (15-27°C). They are not frost-tolerant, so keep them indoors during the colder months.

Tips for Making Your String of Dolphins Fuller

  1. Proper Pruning
    • Regular pruning encourages bushier growth. Trim the ends of the vines, which will stimulate the plant to produce new growth from the cut points. Use clean, sharp scissors to make clean cuts.
  2. Optimal Lighting
    • Ensure your plant gets plenty of bright, indirect light. If natural light is insufficient, consider using a grow light to supplement. Avoid placing the plant in direct sunlight, especially during the hottest part of the day.
  3. Regular Feeding
    • Fertilize your String of Dolphins during the growing season (spring and summer) with a balanced, water-soluble fertilizer diluted to half strength. This will provide the necessary nutrients for healthy, robust growth.
  4. Repotting
    • Repot the plant every 1-2 years or when it becomes root-bound. Choose a slightly larger pot with good drainage and refresh the soil. This gives the plant more room to grow and encourages fuller development.
  5. Propagation
    • Propagation is an excellent way to make your plant fuller. Take cuttings from healthy vines, let them callous over for a day or two, and then plant them in the same pot as the mother plant. This will help create a denser appearance.
  6. Avoid Overwatering
    • Overwatering is one of the most common mistakes. Ensure the soil dries out completely between waterings. Overwatered plants can develop root rot, which hampers their growth and fullness.
  7. Humidity and Air Circulation
    • While String of Dolphins can tolerate average humidity levels, they prefer slightly higher humidity. Ensure good air circulation around the plant to prevent fungal issues, but avoid placing it in a drafty area.

Troubleshooting Common Issues

  • Leggy Growth: If your plant is becoming leggy, it’s likely not getting enough light. Move it to a brighter location or provide additional light with a grow light.
  • Yellowing Leaves: This can be a sign of overwatering. Check the soil moisture and adjust your watering schedule accordingly.
  • Pest Problems: Keep an eye out for common pests like aphids and mealybugs. Treat infestations promptly with insecticidal soap or neem oil.


With the right care and a bit of attention, your String of Dolphins can thrive and become a lush, full display of greenery. Remember to provide optimal light, water carefully, and prune regularly. By following these tips and tricks, you’ll be well on your way to enjoying a healthy and vibrant plant.

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