Crested Senecio Vitalis (Mermaid tail succulent) care | Full Guide|

What is a Mermaid tail?

Crested Senecio Vitalis is the scientific name of mermaid tail succulents. The native area of mermaid tail succulent is the eastern cape of South Africa, which suggests that in the winter it develops and, in the summer, it is dormant, which most succulents do not do.

The fact that it is difficult to find make crested succulent plants more desirable. A plant is created by a mechanism called fasciation which is usually found in flowers. This is an “abnormal flattening of stems” for mermaid tail succulents.

Crested appearance is a wonder of nature, not a man-made thing. The mermaid tail plant is a natural mutation also known as Senecio Vitalis of the ragwort blue chalk stick, which cannot be forced into a tail-like form and cannot be produced too quickly.

With low water and maintenance requirements, the plant is super simple to take care of. mermaid tail likes to grow in well-drained, sandy soil and soil under the sun or light shade. And as well as, it is highly drought-resistant. Long dry cycles would then endure, which makes it the perfect match for the forgetful caretaker.

How do I identify a Mermaid tail?

Crested Senecio Vitalis

The succulent has a very unusual and unique appearance. The stem of the plant is similar to a fish’s or whale’s fin. These plants will carry big underwater sea vibes into your home, and it would usually be one to two feet tall and can be three to five feet wide, making it look like a mermaid or whale fin.

The plant’s bluish-green color makes it a perfect addition to any room with a neutral color or an ocean theme.

The plant reaches up to 60 cm (2 feet) tall and can grow up to 1.52 m (5 feet) broad. They’re wavey with Mermaid Tail, arising out of the fan-shaped base. Mermaid Tail is grey-bluish, but if the plant is “happily stressed” as it matures, leaves will glow green with purple tips.

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Mermaid Tail seems to have cactus-like bumps on the base, but with spikes.

If you look close enough, around the rising point you can see the flattened stem. This is what makes the sprouting leaves on the plant short and swollen.

At the bottom and extended out at the top, stems appear fused together, creating the look seen on the crested Senecio Vitalis succulent. The succulent mermaid tail gets the crest from the warped shoots that this method produces.

How do you take care of a Mermaid tail?


Theplant reaches up to 45-60 cm (18-24 inches) tall and can grow up to 90-150 cm (3-5 feet) broad.


It is a fast-spreading plant and grows up to 45-60 cm. Unlike other plants, this plant can grow more broad than high. It is an easy succulent plant to grow.

Light Requirement

In the sun or in light shade, it grows. Direct sunlight is most important for the best growth of the plant during 6-8 hours each day. But, they can be grown outdoors in partial shade.

Temperature and humidity

They can tolerate temperatures as low as 30 degrees of Fahrenheit (-1 degrees of Celsius)

Is it cold hardy?

Mermaid tail is not succulent that is cold hardy. If temperatures in your region appear to dip below 30 degrees of Fahrenheit (-1.1 degrees of Celsius), planting this one in a jar that you can carry indoors when appropriate is wise.


The Hardiness zone is 10a to 11b: from 30 degrees of Fahrenheit (-1.1 degrees of Celsius) to 50 degrees of Fahrenheit (10 degrees of Celsius).

Watering Requirement

This succulent need less or limited watering. Before watering again, let the soil dry well. you can use soak and dry method for watering. Root rot can happen due to overwatering. Sufficient soil enhances importance to the water to flow in. Don’t let the pot rest in a water saucer either. The circumstances depend on how much water is used.

Soil Requirement Type / pH

Mermaid tail likes sand or dirt that is well-drained. The mermaid tail plant is a highly drought resistant plant. So. it can tolerate long dry cycles.

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They can be tolerated in all pH levels from acidic to alkaline.

Flowering and Fragrance

During early spring and late summer periods, they produce clusters of small/tiny ten to fifteen white color flowers.

Potting and Repotting

Mermaid tail growing in a pot is important to have better drainage. Because high moistened soil can be root rot.

Repotting can be done when the soil does not drain well and plant start to die.

Where to Plant

They are growing in sun or light shade prefers well-drained and sandy soil. It is a good idea to plant in pots due to easy maintenance.

you can plant the them in the ground or in a jar/pot during the warmer months, and it can be brought indoors during the winter.

Fertilizer and time of year

Mermaid tail does not need much fertilizer. Indoor container plants need half-strength diluted liquid fertilizer 3 or 4 times during the growing stage. But ground varities do not need any fertilizers as feed.


This suggests that the spread of the mermaid tail develops in the winter and it is dormant in the summer, which most succulents do not do.

Other plants Pairs Well With

Mermaid tail can be grown in pairs with Kalanchoe, aloe and large agave.

Is Mermaid tail toxic?

The answer to this question is “Yes”.

They can be toxic to both pets and humans.

Can be toxic to pets

The answer to this question is “Yes”.

Mermaid tail can be toxic to pets. So, pet owners should be paying attention to care for their pets from these succulents.

Common bugs and Illness issues

Mermaid tail is a disease-free plant like most succulent.

They are particularly vulnerable to fungal infections and root rotting due to overwatering. This problem can be solved by preventing overwatering and can be repotted when the soil does not drain.

However, leaves of the plants can be caused by yellowish color due to Mealybug pests and aphids’ pests. As the treatment for this illness, you can wash and clean the pests by using a soft cloth or cotton swab dipped in rubbing alcohol.

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Due to fungal and bacterial rots, leaves of mermaid tail plants can be dropped. Answer to this problem is enough light and watering for both indoor plants and outdoor plants.

Special Care tips

  • Do not overcrowd the succulents.
  • Do not overwater your succulent
  • Annual pruning should be done before the start of the growing season
  • Pruning is a good idea to control and maintain the size and spread
  • Due to freezing temperatures outdoors mermaid tail plants will be died during one or two days. In these conditions’ plants can be covered with a blanket or burlap or can be brought inside a plant container inside.
  • Indoor plants contain too much organic matter and hold much water. So, due to this reason plants suffer from drooping and root rotting that will eventually die. Then you can report if the container does not drain well and leaves start dropping off.

How do you propagate a Mermaid tail?

The mermaid tail succulent readily propagated from cuttings. It is the recommended method for propagation.

  • To cut the stems, put on a pair of nitrile-dipped gloves before continuing because the succulent plant can be toxic.
  • To cut off the stem from near the base of the mother plant, just use a sterile and sharp knife.
  • Stem cutting is placed under the shaded area and allows it to dry and callus for a day or two weeks
  • replant it in well-drained, fresh soil. Do not water until fresh cutting readjusts to the new environment.
Crested Senecio Vitalis

Mermaid tail plant benefits

  • They are important as a bedding plant or border plant.
  • Good choice for Mediterranean gardens when paired with aloe,
  • agave etc.
  • Interesting choice in patio, containers and hanging baskets.


Is Mermaid tail an indoor plant?

The answer to this question is “Yes”

This low-maintenance Mermaid tail succulent, except when temperatures get too high, is ideal for growing indoors or outdoors.

Do Mermaid tail need direct sunlight?

In the sun or in light shade, it grows. In direct sunshine, they survive. But do not need direct sunlight.

Credit to : Brittney Adlynne

About author

I’m Dr. Chamika, As a hobby love talking about plants and showing you that taking care of indoor plants. My website is knowledge I’ve learned over the years and continue to learn about growing succulents. If you’re a succulent lover, then you have come to the correct place.

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