Discover how to care for Ctenanthe Setosa, the Grey Star plant, in this comprehensive guide. Learn about its light, soil, and watering requirements, as well as temperature and humidity preferences. Find out how to propagate and solve common issues, and bring this unique and captivating house plant into your indoor oasis.


Are you looking for a unique and captivating house plant to add to your indoor collection? Look no further! In this article, we will explore the fascinating world of Ctenanthe setosa, also known as the Grey Star plant. With its stunning foliage and relatively low maintenance requirements, this house plant is a great choice for both beginner and experienced plant enthusiasts. Read on to discover everything you need to know about caring for Ctenanthe setosa and why it deserves a place in your home.

Caring for Ctenanthe setosa

Light Requirements

Ctenanthe setosa thrives in bright but indirect sunlight. It is important to avoid placing it in direct sunlight for extended periods as this can cause the leaves to fade. Instead, find a spot in your home that receives partial sunlight or provide filtered light through sheer curtains or blinds.

Soil and Watering

To ensure the healthy growth of your Ctenanthe setosa, it is crucial to provide it with well-drained soil. A peat-based indoor potting mix with good moisture retention is recommended. Additionally, always make sure to water the plant regularly, keeping the soil moist but not waterlogged. During the growing season, you may need to water more frequently and reduce watering in the fall and winter when the plant’s growth slows down.

Temperature and Humidity

Ctenanthe setosa prefers temperatures between 60 and 80 degrees Fahrenheit (15 to 27 degrees Celsius). It is essential to avoid exposing the plant to temperatures below 55 degrees Fahrenheit (13 degrees Celsius) and cold drafts. To create the ideal environment for your Grey Star plant, maintain high humidity levels. You can achieve this by placing the plant on a tray filled with water and pebbles, using a humidifier, or misting the leaves regularly.

Fertilizing and Repotting

During the growing season, it is beneficial to feed your Ctenanthe setosa with a weak liquid fertilizer every few weeks. However, you should stop fertilizing in the fall and winter when the plant’s growth slows down. Repotting the plant every few years is also necessary to provide enough space for its growth. Choose a terracotta pot with drainage holes to ensure proper airflow and prevent waterlogging.


If you want to expand your collection of Ctenanthe setosa or share this beautiful plant with others, you can easily propagate it through stem cuttings or offsets. Stem cuttings can be taken from healthy stems with at least four leaves, and offsets can be separated from the parent plant and potted individually. Make sure each cutting or offset has healthy roots and provide them with the same care as a mature plant.

Common Issues and Solutions

Like any house plant, Ctenanthe setosa may encounter some common issues. Dehydration, overwatering, and leaf scorching from excessive direct sunlight are potential problems. If you notice signs of dryness, increase the frequency of watering and consider relocating the plant to a more suitable spot. On the other hand, if the leaves are turning brown or yellow, reduce watering and adjust the lighting conditions. Additionally, keep an eye out for pests such as spider mites, mealybugs, scale, thrips, and whiteflies. Take appropriate measures if necessary, such as using insecticidal soap or isolating infected plants.


Ctenanthe setosa, with its stunning foliage and low maintenance requirements, is a captivating addition to any indoor garden. By following the care instructions provided in this article, you can ensure that your Grey Star plant thrives and becomes a focal point in your home. The unique patterns and colors of its leaves will bring a touch of vibrancy and beauty to your living space. So why not give Ctenanthe setosa a try? Start growing this amazing house plant today and enjoy the rewards it brings to your indoor oasis.


  1. How to Grow and Care for Ctenanthe Setosa ‘Grey Star’. (n.d.). The Spruce. Link
  2. How To Take Care of The Ctenanthe Setosa Plant. (n.d.). Nimvo. Link
  3. Ctenanthe 101: How to Care for Ctenanthe Plants. (n.d.). Bloomscape. Link
  4. Ctenanthe Setosa (AKA Calathea Setosa): Ultimate Care Guide. (n.d.). Garden Biology. Link
  5. Ctenanthe Setosa: Care & Growing Guide for Grey Star. (n.d.). Nuevoly. Link