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Senecio peregrinus: The string of dolphins plant’s

String of dolphins is a Senecio plant species. It is a succulent vining plant that has earned its name from its unique foliage. It is similar to the Senecio radicans. But, its foliage resembles schools of tiny jumping dolphins.

Senecio peregrinus

The Dolphin succulent plant is native to tropical regions of Southwest Africa. They are a member of the Asteraceae family and are known to produce blooms.  These blooms could range from white to yellow.

You can grow the dolphin plant indoors in hanging baskets or in a pot. They are toxic to both people and pets, so be careful when handling them  

Botanical NameSenecio peregrinus
Common NamesString of dolphins, Dolphin necklace plant 
OriginSouthwest Africa
Plant TypeVining Succulent plant 
Full SizeRanges from 5 to 6 inches tall 
Sun ExposureFrom full or direct sunlight to partial shade
Soil TypeSucculent or cactus soil, well-draining
ToxicityToxic to both pets and people

String of Dolphins Plant Care

Like most Senecio varieties, the Senecio peregrinus is low-maintenance. It requires basic attention to its watering, light, and soil needs to flourish. Since the sap is poisonous. It is advised that you wear protective gloves when handling them.

String of Dolphins Light Requirements  

Lighting is important for most Senecio varieties including the String of Dolphins. So ensure you provide them with access to sufficient bright sunlight. They can also do well in areas with partial shade or indirect light. But, the light intensity must be bright.

A good idea would be to grow it in the east or south-facing window. There, they can get at least 6 hours of sunlight a day which is important. 

Too little sunlight does have a negative effect on the Senecio variety. The foliage would look leggy and its growth would be stunted.  You can consider using artificial sunlight in areas of low lighting. 

String of Dolphins Watering Requirements 

String of Dolphins Watering Requirements 
De Plantrekkers

The Senecio peregrinus is drought resistant. This is because their foliage can retain water for long periods. As such, limit watering to once a week or once in 10 days. 

This schedule should be maintained for summer or hot seasons. Because of dormancy, avoid watering them in the winter or fall seasons.

Overwatering the soil exposes the plant to root rot. This is a result of fungi buildup caused by excess moisture. 

Use tepid rain water when watering. Tap Water contains chlorine which is harmful to the exotic plant. Try dechlorinating tap water before using it. 

String of Dolphins Soil Requirements 

A well-draining succulent or cactus soil is best for the Senecio peregrinus. Ensure it is arid to allow air passage. 

If you can’t get access to succulent or cactus soil, you can make your own. Try using regular potting soil in a pot with sufficient drainage holes. Add one part perlite and one part sand to it. 

The soil should range from acidic to a little alkaline. A pH value between 6.6 to 7.5 would be best for the String of dolphins. 

String of Dolphins Temperature and Humidity Requirements 

The Senecio plant variety is not frost-tolerant. So ensure temperature levels don’t drop below 40 degrees Fahrenheit. A suitable range would be between 60 to 80 degrees Fahrenheit.

Average humidity level is perfect for the stunning vine plant. By keeping it indoors, you provide the best humidity level for it.

String of Dolphins Fertilizer Requirements 

Fertilizing this incredible plant shouldn’t be a regular affair. Over-fertilizing could ruin the appearance of the plant. 

Aim for light feeding at most once each month. Use a cactus fertilizer or a liquid fertilizer during the growing season. But ensure you dilute it by more than 50% before use. 

String of Dolphins Propagation and Pruning Requirements  

String of Dolphins Propagation and Pruning Requirements  
Cactus Plaza

You can propagate the Senecio String of Dolphins plant through stem cuttings. Be Careful when doing this so you don’t end up damaging the plant.

Pruning should be done often to control the plant’s growth. You also need to prune often to keep its foliage looking fresh. Sterilize the tools before using them.

Common Health Problems of the String of Dolphins Plant  

  • Root rot 
  • Mealybugs
  • Scale
  • Spider mites
  • Aphids

Frequently Asked Questions

Why is my string of dolphins drying up?

This is often a response to overwatering and underwatering.  

Is a string of dolphins rare?

Yes, the string of dolphins plants is classified as rare. They are in high demand. 

Do strings of dolphins grow fast?

Senecio plants are known to have a fast growth rate. This includes the Peregrinus variety. 

What is the rarest Senecio variety?

The Senecio haworthii is a rare Senecio plant variety. 

Can a string of dolphins plant live outside?

Yes, they can grow outdoors. But they would require adequate protection from frost.