All About Earth Stars

pink cryptanthus

Cryptanthus Bromeliad

Cryptanthus, commonly known as Earth Stars, are vibrant and colorful terrestrial Bromeliads originating from Brazil. These captivating plants have become popular houseplants due to their stunning foliage, easy care requirements, and versatile growth patterns.

With their distinct starfish-like shape and a diverse array of colors and patterns, including solid, spotted, striped, and banded variations, Cryptanthus truly shines as a remarkable addition to any indoor space.

Additionally, Cryptanthus is considered a pet-friendly option, making it an ideal choice for households with furry companions.

Join us as we explore the enchanting world of Cryptanthus and uncover the secrets to nurturing these captivating Earth Stars.

All About Cryptanthus

How to Care for Cryptanthus

Caring for Cryptanthus, or Earth Stars, is a rewarding and straightforward process. These terrestrial Bromeliads from Brazil are known for their vibrant foliage and versatility as houseplants. To ensure the health and longevity of your Cryptanthus, here are some essential care tips.

Light: Cryptanthus thrives in bright, indirect light. Place your plant near a window with filtered sunlight, or provide it with artificial light if natural light is limited. Avoid direct sunlight, as it can bleach the leaves if not acclimated to full sun. Note that sun-bleached leaves can recover and return to their natural color. Conversely, if your cryptanthus loses its color and turns green, it’s not getting enough light.

Temperature: Maintain a moderate temperature range of 60-80°F (15-27°C) for your Cryptanthus. These plants prefer warm environments and are sensitive to extreme temperature fluctuations.

Watering: Keep the soil slightly moist at all times, but avoid overwatering. Allow the top inch of soil to dry out between waterings. Use room-temperature water and ensure proper drainage to prevent waterlogging, which can lead to root rot.

Humidity: Cryptanthus appreciates moderate humidity levels. If your home has dry air, provide occasional misting or place a humidifier nearby. Grouping plants together can also create a microclimate with increased humidity.

Soil and Fertilizer: Plant your Cryptanthus in well-draining soil, such as a mix of peat moss, perlite, and sand. Fertilize once a month during the growing season using a balanced liquid fertilizer diluted to half strength. For a natural fertilizer, try Green Grub Insect Frass.

Potting and Repotting: Choose a shallow pot with good drainage to accommodate the shallow root system of Cryptanthus. Repotting is typically necessary every 1-2 years or when the plant becomes root-bound.

Pruning: Remove any yellow or damaged leaves to maintain the plant’s appearance and overall health. Trim back any overgrown or leggy growth to encourage a more compact shape.

Pest Control: Keep an eye out for common houseplant pests like mealybugs or spider mites. If detected, treat the infested plant with an appropriate insecticidal soap or neem oil solution, following the instructions carefully.

By following these care guidelines, you can enjoy the beauty and vibrancy of Cryptanthus in your home for years to come. Remember to observe your plant closely and make adjustments as needed to provide the ideal growing conditions for your Earth Star.

Care Summary

Cryptanthus pups

How to Propagate Cryptanthus

After your Earth Star blooms, it will start growing pups. These can grow from the top of the plant and/or in between the leaves.

Once the pups are 1/2-3/4 the size of the mom, you can propagate.

If you’re lucky, the parent plant will grow a few more pups after pulling!

  • Pull the pup from the base as if you are pulling a tick. Get right down in there and wiggle it loose. If you don’t get the base, you could rip it and kill it.
  • Remove the bottom few leaves so that you’re left with enough stem to plant.
  • Dip in rooting hormone or willow bark if you prefer but it’s not necessary.
  • Plant your pup in loose, well-draining soil or a starter mix.
  • Cover with a dome or clear plastic and wait. These can take a few months to develop roots.
Common Problems with cryptabthus

Common Problems

Cryptanthus are easy to take care of, but they can still have a few common problems. Knowing about these issues and how to solve them will help you keep your Cryptanthus plants healthy. Here are some common problems you might encounter and how to fix them:

Too much water: One common problem is giving the plants too much water, which can cause the roots to rot and fungal diseases to develop. To prevent this, let the top inch of soil dry out before watering again. Make sure the soil and pots have good drainage, so water doesn’t get trapped.

Solution: Adjust how often you water the plants. Only water when the soil feels slightly dry. Don’t let the plant sit in water, and make sure there’s enough air circulation around it to avoid moisture buildup.

Not enough water: On the other hand, not giving the plants enough water can make the leaves dry out, curl up, and the plant might look weak.

Solution: Check the soil regularly to see if it’s dry on the top inch. When it is, water the Cryptanthus thoroughly, making sure the water reaches the roots.

Not enough light: Cryptanthus plants need bright, indirect light to keep their colors vibrant and grow well. If they don’t get enough light, their leaves may look pale or faded, and they might grow tall and thin.

Solution: Put your Cryptanthus where it can get bright, indirect light. If natural light is limited, you can use artificial grow lights to supplement the light they need.

Pests: Common pests like mealybugs, spider mites, or scale insects can infest Cryptanthus plants, causing damage to the leaves and overall health.

Solution: Regularly check your plants for signs of pests, like webs, sticky residue, or visible insects. If you find any, treat the affected plant with insecticidal soap or neem oil spray. Follow the instructions carefully.

Cold temperatures: Cryptanthus plants are sensitive to cold temperatures, which can harm the leaves and slow down their growth.

Solution: Protect your Cryptanthus from cold drafts and don’t place them near windows or areas with temperature changes. Keep them in a moderate temperature range of 60-80°F (15-27°C) to keep them healthy.

By being aware of these common problems and taking the right steps, you can have a beautiful and healthy collection of Cryptanthus plants in your home. Keep an eye on them and take care of any issues promptly to ensure they stay vibrant and last a long time.

Purchase your own Cryptanthus here.


We are here to spread our love of houseplants! There are many different varieties of plants that we keep in our homes. All of them with different needs and preferences. This blog is to share our knowledge about all kinds of houseplants and help people care for their own plants.

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