All You need to know about Ruby ball cactus

The Ruby ball cactus, also known as the Red cap cactus or Moon cactus, is a colorful and easy-to-grow plant that belongs to the Cactaceae family.

It is a small, globular cactus that typically grows up to 2-3 inches in diameter and does not produce spines. Instead, it has a bright red or pink colored top that sits atop a green base.

How to grow and take care of Ruby ball cactus?

The Ruby ball cactus (Parodia magnifica) is a beautiful and easy-to-care-for plant that makes a great addition to any succulent collection. Here are some tips on how to grow and care for a Ruby ball cactus:

  1. Light: Ruby ball cacti require bright light to thrive. They do well in a south-facing window or in a location that receives direct sunlight for several hours each day.
  2. Water: Water your Ruby ball cactus sparingly. During the growing season (spring and summer), water it once every two weeks, allowing the soil to dry out completely between waterings. In the winter, water it even less frequently, about once every four weeks.
  3. Soil: Ruby ball cacti prefer a well-draining soil mix that is made up of sand, perlite, and cactus soil. Avoid using regular potting soil, as it retains too much moisture and can cause the roots to rot.
  4. Temperature: Ruby ball cacti prefer warm temperatures between 60-80°F (15-27°C). They can tolerate cooler temperatures down to 50°F (10°C), but should be kept away from drafts.
  5. Fertilizer: During the growing season, you can fertilize your Ruby ball cactus with a cactus-specific fertilizer once a month.
  6. Repotting: Ruby ball cacti should be repotted every two to three years, or when the plant has outgrown its current pot. When repotting, use a pot that is only slightly larger than the current one.
  7. Pruning: If your Ruby ball cactus becomes too tall, you can prune it by cutting off the top of the plant. The cut portion can be rooted and grown into a new plant.

Overall, the Ruby ball cactus is a low-maintenance plant that requires minimal attention. With proper care, it can live for many years and continue to grow into a stunning specimen.

What is the lifespan of Ruby ball cactus?

Ruby ball cacti (Parodia magnifica) have a relatively long lifespan compared to other cactus species. With proper care, a Ruby ball cactus can live for several decades, sometimes up to 30 years or more. However, the lifespan of any plant can be affected by various factors such as disease, pests, environmental conditions, and care practices. Providing your Ruby ball cactus with the appropriate growing conditions and care can help it live a long and healthy life.

How to water it?

When it comes to watering a Ruby ball cactus (Parodia magnifica), it’s important to be careful not to overwater, as this can lead to root rot and other problems. Here are some tips for watering your Ruby ball cactus:

  1. Check the soil: Before watering, check the soil with your finger to see if it’s dry. If the top inch of soil feels dry to the touch, it’s time to water. If the soil is still moist, wait a few more days before checking again.
  2. Water sparingly: When watering, use a watering can with a narrow spout to pour water directly into the soil around the base of the cactus. Water sparingly, allowing the soil to become moist but not waterlogged. Always err on the side of underwatering, as cacti are more tolerant of drought than overwatering.
  3. Avoid getting water on the foliage: When watering, avoid getting water on the foliage of the cactus, as this can lead to rot and other problems. If water does get on the foliage, use a cloth or paper towel to gently dab it dry.
  4. Adjust watering frequency: Adjust the frequency of watering based on the season, the temperature, and humidity. During the growing season (spring and summer), when the plant is actively growing, it may need to be watered more frequently than in the winter when it goes dormant.

Overall, it’s important to be cautious when watering a Ruby ball cactus and to pay attention to the plant’s signals to avoid overwatering. If the cactus starts to look shriveled, it may need water. If it starts to turn yellow or soft, it may be getting too much water.

How to prune it?

Pruning a Ruby ball cactus (Parodia magnifica) is a simple process that can help to maintain its shape and size. Here are the steps to prune a Ruby ball cactus:

  1. Sterilize your tools: Before you begin, it’s important to sterilize your pruning tools to prevent the spread of disease. You can do this by wiping the blades of your tools with rubbing alcohol or a solution of one-part bleach to ten-parts water.
  2. Decide where to make the cut: Look for a spot on the cactus where you want to make the cut. You can cut off the top of the cactus to control its height, or you can remove any dead, diseased, or damaged parts of the plant.
  3. Make the cut: Using clean, sharp pruning shears, make a clean cut just above a set of healthy leaves or buds. Be sure to make the cut at a slight angle to prevent water from pooling on the cut surface.
  4. Treat the wound: After making the cut, apply a fungicide or a dusting of sulfur to the cut surface to prevent infection.
  5. Allow the cut to callus: After pruning, allow the cut to callus over for a few days to a week. This will help to prevent the cut from becoming infected.
  6. Repot if necessary: If you have pruned a significant portion of the cactus, you may need to repot it into a slightly larger pot with fresh cactus soil.

Overall, pruning a Ruby ball cactus is a straightforward process that can help to keep the plant healthy and attractive. With proper care and attention, a pruned Ruby ball cactus will continue to grow and thrive for many years.

How big does Ruby ball cactus?

Ruby ball cactus (Parodia magnifica) can grow up to 12 inches (30 cm) in height and up to 8 inches (20 cm) in diameter. However, the size of the cactus can vary depending on several factors, such as its growing conditions, care, and genetics.

When grown in optimal conditions, a Ruby ball cactus can grow relatively quickly, adding several inches to its height and width each year. However, it’s worth noting that cacti are slow-growing plants, and it can take several years for a young cactus to reach its full size.

It’s important to keep in mind that the size of a Ruby ball cactus can also be affected by its container. If the cactus is grown in a small container, it may not reach its full size, while a larger container can allow it to grow more freely.

Overall, a well-cared-for Ruby ball cactus can be an attractive addition to your indoor or outdoor space, adding a unique touch of color and texture to your collection of plants.

Which soil is the best for growing it?

The best soil for growing Ruby ball cactus (Parodia magnifica) is a well-draining cactus mix that is specifically formulated for cacti and succulents. This type of soil is designed to provide excellent drainage and aeration, which is essential for the health of cacti.

A good cactus mix should contain a combination of coarse sand, perlite, vermiculite, and/or pumice to ensure that the soil does not become waterlogged and remains aerated. You can purchase pre-made cactus soil mix from a garden center or make your own mix by combining equal parts of coarse sand, perlite, and peat moss.

It’s important to avoid using regular potting soil or garden soil for cacti, as these soils tend to retain moisture and can cause root rot and other problems. Additionally, it’s important to ensure that the soil is free from pests, diseases, and weeds before planting your cactus.

Overall, using a high-quality, well-draining cactus soil mix is essential for the health and growth of your Ruby ball cactus.

Where can I buy it?

Ruby ball cactus (Parodia magnifica) can be purchased from a variety of sources, including local nurseries, garden centers, and online plant retailers. Here are a few places where you might be able to find a Ruby ball cactus:

  1. Local nurseries and garden centers: Check with your local nurseries and garden centers to see if they carry Ruby ball cactus. These stores often have a variety of cacti and succulents available and may be able to special order a Ruby ball cactus for you if they don’t have it in stock.
  2. Online plant retailers: There are many online retailers that specialize in selling cacti and succulents, including Ruby ball cactus. Some popular online plant retailers include Amazon, Etsy, and The Sill.
  3. Specialty cactus and succulent growers: There are also many specialty growers who focus specifically on growing cacti and succulents. These growers often have a wider selection of plants available and may be able to offer more specialized advice on caring for your Ruby ball cactus. You can search for specialty cactus and succulent growers online or through plant societies and clubs.

When purchasing a Ruby ball cactus, be sure to choose a healthy plant with no signs of damage or disease. It’s also a good idea to ask the seller about the plant’s growing conditions and care requirements to ensure that you can provide the best possible care for your new cactus.


  1. Ruby ball cactus is a small, ball-shaped cactus with vibrant red or pink flowers.
  2. To grow Ruby ball cactus, you need to provide it with plenty of sunlight, well-draining soil, and occasional watering.
  3. You should use a cactus mix that is specifically formulated for cacti and succulents, and avoid using regular potting soil or garden soil.
  4. Pruning is not usually necessary for Ruby ball cactus, but you can remove any dead or damaged parts of the plant as needed.
  5. Ruby ball cactus can live for several decades if provided with proper care.
  6. You can purchase Ruby ball cactus from local nurseries and garden centers, online plant retailers, or specialty cactus and succulent growers.

Overall, with proper care, Ruby ball cactus can be a beautiful and rewarding addition to your collection of plants.

Have a nice day!

Ari Iniesta

Ari Iniesta

Total posts created: 199
Hello fellow succulent enthusiast! My name is Ari Iniesta, and I'm a succulent enthusiast. I was born and raised in a small town in southern Spain, where the warm climate and dry conditions allowed me to develop a love for plants that are able to thrive in harsh environments. As I got older, my interest in succulents only grew stronger. I began to study horticulture and botany, and I even started my own collection of rare and exotic succulents from around the world.

Leave a reply

Your email address will not be published. Required fields are marked *

Cookies Notice

Our website use cookies. If you continue to use this site we will assume that you are happy with this.