Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &
Brazilian Blue Cactus - Blue Columnar Cactus &

The Brazilian Blue Cactus, also known as Pilosocereus azureus, is truly a magnificent hybrid of the Pilosocereus pachycladus. It goes by many names, like Pilosocereus atroflavispinus, Pilosocereus superbus, wooly blue spires, and blue columnar cactus. Being a hybrid of the actual blue torch plant, it is occasionally incorrectly referred to as a blue torch cactus. 

Let's just stick to calling it the Brazilian blue cactus, because that name alone sounds incredibly cool! This blue cactus is a very distinct columnar cactus, reaching dizzying heights of up to 32 feet. It is one of the most spectacular columnar tree-like cereus, with a distinct trunk and dozens of erected glaucous (bluish-silver) branches. Its graceful habit (shape) resembles a miniature blue Saguaro. This is one of the most vibrant blue columnar cacti.

The blue-green color of the Pilosocereus azureus Brazilian blue cactus is due to a waxy coating on the stem that helps to protect it from the sun.Its stem is no ordinary stem either; it's adorned with ridges and covered in areoles along the edges.As this remarkable plant matures, those golden spines turn white and create a striking contrast against its vibrant hues.

But wait until you see it bloom! At nightfall, this beauty shows off stunning funnel-shaped flowers in pure white. It's even more remarkable because these flowers are pollinated by bats and sphinx moths! Plus, this Pilosocereus azureus is non-toxic, making it friendly to both humans and pets. 

The Brazilian blue cactus certainly makes an impression among the wildly unique houseplants with its spectacular height and unique pollination process. 

Watering Needs 

Desert plants, such as Pilosocereus azureus cacti, are adapted to grow with minimal water. This blue cactus stores water throughout its stems, and as a result, it is one of the ultimate drought-resistant plants. Cactus Pilosocereus azureus is like Camels; they drink up a lot of water quickly and then can last a long time before needing water again. 

Usually, watering once every two or three weeks is ample during the growing season in the spring and summer. In the winter, during the dormant period, if it doesn't rain, you still should only water them once a month at the most. 

If these Brazilian beauties Pilosocereus azureus don't receive enough moisture for an extended period of time, discoloration, pale stems, and browning can occur, leading to stunted growth. In contrast, overwatering can cause root rot and fungal infections.

Light Requirements 

Pilosocereus azureus should be given plenty of sunlight to grow to its full potential. If you are growing the blue cactus outdoors, make sure that it receives at least six hours of direct sunlight per day. Learn to adjust your Brazilian blue cactus to avoid burns if the location where you have the blue columnar cactus is exposed to a lot of sunlight. Gradually increase the exposure untilit can handle the full sun. 

Remember, low light can have a negative effect on the growth of Pilosocereus azureus. Without enough light, the cactus may become weak and leggy, and its stem may start to stretch out. The lack of light can also cause the cactus to produce fewer flowers or no flowers at all.  

If you are growing this stunning beauty indoors, it requires four hours of direct sunlight, which can be achieved by locating them on a sunny south, west-facing windowsill or under a grow light. 

Optimal Soil & Fertilizer Needs 

Use well-drained soil that is designed specifically for your Pilosocereus cactus. These specialty soil mixes have been precisely developed to imitate well-draining desert soils. It's important to be cautious because the amount of moisture in the soil can be the primary reason for the early death of most succulents and most cacti themselves. 

Like many other cacti, with Pilosocereus azureus blue cacti, it is important to avoid excess moisture because this can promote root and stem rot. So, the best option is to use our specialty cactus potting mix that contains over 5 natural substrates and organic matter to promote the development of a strong root system that helps your cactus to thrive or for healthy growth. 

When it comes to fertilizing your adorable Brazilian blue cactus, you should look for a natural fertilizer with an approximate blend of 5-10-5 that is higher in phosphorus than nitrogen. The best choice is to use a natural fertilizer, as it lasts longer and keeps your soil alive by adding other beneficial compounds and microbes that encourage blue columnar cactus health and nutrient absorption. 

Hardiness Zones & More 

Native to South America (Brazil), these adorable Pilosocereus azureus thrive in warm and humid conditions, making them perfect for cozy indoor spaces. With temperatures between 60 and 74 degrees Fahrenheit, these lovable Brazilian blue cacti are sure to feel right at home. Just make sure not to let them get too chilly; anything below 50 F could spell disaster for your lovey-dovey blue cactus. 

While household humidity is generally good enough, these cacti will do even better with some extra moisture in the air. Set up a humidifier nearby or grow them in naturally humid rooms like your bathroom or kitchen. And if you live in USDA hardiness zones 9–11, lucky you—you can grow this tree cactus outdoors all year long! 

Give this blue columnar cactus, Pilosocereus azureus a try if you're looking for an easy plant to care for! 

Bloom Season Late spring, early summer
Bloom Season summer
Botanical Name Pilosocereus azureus
Botanical Name Pilosocereus pachycladus
Common Name Brazilian blue cactus, Blue columnar cactus, wooly blue spires
Common Name Brazilian blue cactus, Blue torch, wooly blue spires, blue column cactus
Dormancy Winter
Family Cactaceae
Flower Color White
Flower Color White, white yellow
Genus Pilosocereus
Growth Habit Columnar
Growth Habit Columnar tree, upright
Growth Rate Fast
Growth Rate Slow
Hardiness Zone 9, 10, 11
Mature Size 12 ft. tall, 4 ft. wide
Mature Size 32 ft. tall
Native Area Brazil
Plant Type Cactus
Plant Type Perennial cactus
Propagation By cuttings
Propagation By stem cuttings
Resistance Drought tolerant, heat resistant, pests resistant, deer resistant
Resistance Drought tolerant, resistant to pests
Soil PH 6.5, Acidic, Neutral
Soil Type Cactus potting mix soil
Soil Type specialty cactus potting mix
Special Features Easy to grow
Special Features Nocturnal flowers
Sun Exposure Full sun
Sun Exposure Full sun, partial shade
Toxicity Safe for humans, friendly to dogs, friendly to cats
Toxicity Safe for humans, mildly toxic (Keep away from children)
Watering Needs Low
Watering Needs Moderate

Pests & Common Problems of Blue Cactus

The strong and durable blue column cactus is resistant to the majority of Pests. However, some common pests, like mealybugs or greenflies, may harm the plant. Despite being simple to uphold, growing Pilosocereus azureus can present some challenges. 

Pest infestation: Mealybugs, spider mites, and scale insects are small, white insects that can infest the blue cactus. They feed on the sap of the plant and can cause wilting, yellowing, and stunted growth. These can be removed by wiping them off with a cotton swab dipped in rubbing alcohol. 

Root rot: Overwatering can cause the Brazilian blue cactus to develop root rot, which can lead to wilting, yellowing, and eventual death. To avoid overwatering, make sure to water the cactus only when the soil is dry, and use a well-draining soil mix. 

Wilting: Underwatering can cause the roots of the cactus to become dehydrated and wilt. To avoid underwatering, make sure to water the cactus when the soil is dry to the touch. 

Sunburn: Sunburn can occur if the cactus is exposed to too much direct sunlight. Sunburn can cause the cactus to develop brown or black spots on its stem. To avoid sunburn, place the cactus in a location with bright, indirect sunlight. 

Leggy growth: Low light can cause the cactus to become weak and leggy, and it may produce fewer or no flowers. To avoid low light conditions, place the cactus in a location with bright sunlight or supplement its light with a grow light. 

FAQs - Blue Cactus Plant

How tall does the Brazilian blue cactus get? 

The Brazilian blue cactus is a tall, columnar cactus that can grow up to 32 feet tall in its natural habitat. However, when grown as a houseplant or in containers, it is usually kept much smaller. This is because the size of the cactus can be controlled by limiting the size of the container in which it is grown.

Additionally, the stem of the cactus can be pruned to keep it from growing too tall. When pruned, the blue cactus will produce new growth from the base of the stem, which can help to create a bushier, more compact plant. 

Is the Brazilian blue cactus real? 

The Brazilian blue cactus is a real species of cactus that is native to Brazil. It is known for its striking blue-green color and its tall, columnar shape. The cactus can grow up to 32 feet tall, but it is often grown as a houseplant or in containers, where it can be kept much smaller. The cactus has a ribbed stem that is covered in small spines, and it produces white flowers that bloom at night. 

How do I keep my blue cactus blue? 

The very light blue-green color of the Brazilian blue cactus is due to a waxy coating on the stem that helps to protect it from the sun. To keep your Brazilian blue cactus looking blue, it is important to provide it with bright sunlight for at least 4-6 hours daily and to avoid exposing it to direct sunlight for extended periods of time.  

You should also be careful not to overwater the blue cactus, as excess water can cause the waxy coating to break down and the stem to turn brown. Additionally, you can help to protect the cactus by wiping the stem with a soft, dry cloth to remove dust and debris that can accumulate over time.

What is Pilosocereus Azureus used for? 

Pilosocereus azureus, also known as the Brazilian blue cactus, is primarily grown as an ornamental plant due to its striking blue-green color and tall, columnar shape. It is often grown as a houseplant or in containers, where it can be kept much smaller than its natural height of up to 32 feet.  

While the cactus does not have any known medicinal or culinary uses, it is a popular plant among collectors and enthusiasts due to its unique appearance. 

How do you take care of a blue columnar cactus? 

To take care of a blue columnar cactus, such as the Brazilian blue cactus, you should provide it with bright sunlight for at least 4-6 hours daily and avoid exposing it to direct sunlight for extended periods of time. The cactus should be watered sparingly, allowing the soil to dry out completely between waterings.  

It is important not to overwater the cactus, as this can cause the roots to rot. Fertilizer is not necessary, but you can feed the cactus with a cactus-specific fertilizer during the growing season in the spring if desired. Pruning can be done to control the size of the cactus and to create a bushier, more compact plant. 

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Brazilian Blue Cactus - Blue Columnar Cactus 'Pilosocereus azureus'

sku: 516

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Regular price$ 16.29
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Size
Height:
Diameter:
Height: 6"-8"
Diameter:
Height: 13"-15"
Diameter:
Height: 20"-24"
Diameter:
Height: 40"-48"
Diameter:

Please note: All Landscape Ready plants that are in a 6-inch pot or larger WILL NOT come with a pot as it will be shipped bare root.

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Please note: Our large plants are many years old, and as a result, they might have minor scaring but will arrive 100% healthy and looking great.

Please note: Our large plants are shipped bare root. They are also many years old, and as a result, they might have minor scaring but will arrive healthy and looking great.

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Detailed description of this plant is below...

If you live in a cold climate and are expecting temperatures below 40 degrees within the next five days after placing your order, we highly recommend adding a heat pack to your order. If you do not order a heat pack, we do not send one with your order.

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To prevent plants from freezing while in transit, orders placed for areas with extreme severe freezing temperatures will be held for shipment until it is safe to ship.

FREE SHIPPING ON ALL ORDERS OVER $89 in the
Continental US.

Plants that are in 3.5" pots and smaller will be shipped in its pot to prevent any damage to the roots.

Any plant that is 6" and larger WILL NOT come with a pot as it will be shipped bare root.

Depending on the species and season, you will receive a very similar plant to the one in the picture. It may or may not be blooming at the time of your purchase.

We ship via USPS Priority Mail, If you don't get Free Shipping, then we calculate the shipping cost based on the weight and volume of your purchase.

Care instructions are included in every package you order. Please allow us up to 3 business days to process your order. Depending on your location, we will ship the plants on a certain day to avoid transit time during weekends or holidays. If you wish to receive your order on a specific date, or have special instructions, please add a note on your order. If you have any questions or comments, please feel free to contact us at any time.

  • Description
  • Key Plant Features

The Brazilian Blue Cactus, also known as Pilosocereus azureus, is truly a magnificent hybrid of the Pilosocereus pachycladus. It goes by many names, like Pilosocereus atroflavispinus, Pilosocereus superbus, wooly blue spires, and blue columnar cactus. Being a hybrid of the actual blue torch plant, it is occasionally incorrectly referred to as a blue torch cactus. 

Let's just stick to calling it the Brazilian blue cactus, because that name alone sounds incredibly cool! This blue cactus is a very distinct columnar cactus, reaching dizzying heights of up to 32 feet. It is one of the most spectacular columnar tree-like cereus, with a distinct trunk and dozens of erected glaucous (bluish-silver) branches. Its graceful habit (shape) resembles a miniature blue Saguaro. This is one of the most vibrant blue columnar cacti.

The blue-green color of the Pilosocereus azureus Brazilian blue cactus is due to a waxy coating on the stem that helps to protect it from the sun.Its stem is no ordinary stem either; it's adorned with ridges and covered in areoles along the edges.As this remarkable plant matures, those golden spines turn white and create a striking contrast against its vibrant hues.

But wait until you see it bloom! At nightfall, this beauty shows off stunning funnel-shaped flowers in pure white. It's even more remarkable because these flowers are pollinated by bats and sphinx moths! Plus, this Pilosocereus azureus is non-toxic, making it friendly to both humans and pets. 

The Brazilian blue cactus certainly makes an impression among the wildly unique houseplants with its spectacular height and unique pollination process. 

Watering Needs 

Desert plants, such as Pilosocereus azureus cacti, are adapted to grow with minimal water. This blue cactus stores water throughout its stems, and as a result, it is one of the ultimate drought-resistant plants. Cactus Pilosocereus azureus is like Camels; they drink up a lot of water quickly and then can last a long time before needing water again. 

Usually, watering once every two or three weeks is ample during the growing season in the spring and summer. In the winter, during the dormant period, if it doesn't rain, you still should only water them once a month at the most. 

If these Brazilian beauties Pilosocereus azureus don't receive enough moisture for an extended period of time, discoloration, pale stems, and browning can occur, leading to stunted growth. In contrast, overwatering can cause root rot and fungal infections.

Light Requirements 

Pilosocereus azureus should be given plenty of sunlight to grow to its full potential. If you are growing the blue cactus outdoors, make sure that it receives at least six hours of direct sunlight per day. Learn to adjust your Brazilian blue cactus to avoid burns if the location where you have the blue columnar cactus is exposed to a lot of sunlight. Gradually increase the exposure untilit can handle the full sun. 

Remember, low light can have a negative effect on the growth of Pilosocereus azureus. Without enough light, the cactus may become weak and leggy, and its stem may start to stretch out. The lack of light can also cause the cactus to produce fewer flowers or no flowers at all.  

If you are growing this stunning beauty indoors, it requires four hours of direct sunlight, which can be achieved by locating them on a sunny south, west-facing windowsill or under a grow light. 

Optimal Soil & Fertilizer Needs 

Use well-drained soil that is designed specifically for your Pilosocereus cactus. These specialty soil mixes have been precisely developed to imitate well-draining desert soils. It's important to be cautious because the amount of moisture in the soil can be the primary reason for the early death of most succulents and most cacti themselves. 

Like many other cacti, with Pilosocereus azureus blue cacti, it is important to avoid excess moisture because this can promote root and stem rot. So, the best option is to use our specialty cactus potting mix that contains over 5 natural substrates and organic matter to promote the development of a strong root system that helps your cactus to thrive or for healthy growth. 

When it comes to fertilizing your adorable Brazilian blue cactus, you should look for a natural fertilizer with an approximate blend of 5-10-5 that is higher in phosphorus than nitrogen. The best choice is to use a natural fertilizer, as it lasts longer and keeps your soil alive by adding other beneficial compounds and microbes that encourage blue columnar cactus health and nutrient absorption. 

Hardiness Zones & More 

Native to South America (Brazil), these adorable Pilosocereus azureus thrive in warm and humid conditions, making them perfect for cozy indoor spaces. With temperatures between 60 and 74 degrees Fahrenheit, these lovable Brazilian blue cacti are sure to feel right at home. Just make sure not to let them get too chilly; anything below 50 F could spell disaster for your lovey-dovey blue cactus. 

While household humidity is generally good enough, these cacti will do even better with some extra moisture in the air. Set up a humidifier nearby or grow them in naturally humid rooms like your bathroom or kitchen. And if you live in USDA hardiness zones 9–11, lucky you—you can grow this tree cactus outdoors all year long! 

Give this blue columnar cactus, Pilosocereus azureus a try if you're looking for an easy plant to care for! 

Bloom Season Late spring, early summer
Bloom Season summer
Botanical Name Pilosocereus azureus
Botanical Name Pilosocereus pachycladus
Common Name Brazilian blue cactus, Blue columnar cactus, wooly blue spires
Common Name Brazilian blue cactus, Blue torch, wooly blue spires, blue column cactus
Dormancy Winter
Family Cactaceae
Flower Color White
Flower Color White, white yellow
Genus Pilosocereus
Growth Habit Columnar
Growth Habit Columnar tree, upright
Growth Rate Fast
Growth Rate Slow
Hardiness Zone 9, 10, 11
Mature Size 12 ft. tall, 4 ft. wide
Mature Size 32 ft. tall
Native Area Brazil
Plant Type Cactus
Plant Type Perennial cactus
Propagation By cuttings
Propagation By stem cuttings
Resistance Drought tolerant, heat resistant, pests resistant, deer resistant
Resistance Drought tolerant, resistant to pests
Soil PH 6.5, Acidic, Neutral
Soil Type Cactus potting mix soil
Soil Type specialty cactus potting mix
Special Features Easy to grow
Special Features Nocturnal flowers
Sun Exposure Full sun
Sun Exposure Full sun, partial shade
Toxicity Safe for humans, friendly to dogs, friendly to cats
Toxicity Safe for humans, mildly toxic (Keep away from children)
Watering Needs Low
Watering Needs Moderate

Pests & Common Problems of Blue Cactus

The strong and durable blue column cactus is resistant to the majority of Pests. However, some common pests, like mealybugs or greenflies, may harm the plant. Despite being simple to uphold, growing Pilosocereus azureus can present some challenges. 

Pest infestation: Mealybugs, spider mites, and scale insects are small, white insects that can infest the blue cactus. They feed on the sap of the plant and can cause wilting, yellowing, and stunted growth. These can be removed by wiping them off with a cotton swab dipped in rubbing alcohol. 

Root rot: Overwatering can cause the Brazilian blue cactus to develop root rot, which can lead to wilting, yellowing, and eventual death. To avoid overwatering, make sure to water the cactus only when the soil is dry, and use a well-draining soil mix. 

Wilting: Underwatering can cause the roots of the cactus to become dehydrated and wilt. To avoid underwatering, make sure to water the cactus when the soil is dry to the touch. 

Sunburn: Sunburn can occur if the cactus is exposed to too much direct sunlight. Sunburn can cause the cactus to develop brown or black spots on its stem. To avoid sunburn, place the cactus in a location with bright, indirect sunlight. 

Leggy growth: Low light can cause the cactus to become weak and leggy, and it may produce fewer or no flowers. To avoid low light conditions, place the cactus in a location with bright sunlight or supplement its light with a grow light. 

FAQs - Blue Cactus Plant

How tall does the Brazilian blue cactus get? 

The Brazilian blue cactus is a tall, columnar cactus that can grow up to 32 feet tall in its natural habitat. However, when grown as a houseplant or in containers, it is usually kept much smaller. This is because the size of the cactus can be controlled by limiting the size of the container in which it is grown.

Additionally, the stem of the cactus can be pruned to keep it from growing too tall. When pruned, the blue cactus will produce new growth from the base of the stem, which can help to create a bushier, more compact plant. 

Is the Brazilian blue cactus real? 

The Brazilian blue cactus is a real species of cactus that is native to Brazil. It is known for its striking blue-green color and its tall, columnar shape. The cactus can grow up to 32 feet tall, but it is often grown as a houseplant or in containers, where it can be kept much smaller. The cactus has a ribbed stem that is covered in small spines, and it produces white flowers that bloom at night. 

How do I keep my blue cactus blue? 

The very light blue-green color of the Brazilian blue cactus is due to a waxy coating on the stem that helps to protect it from the sun. To keep your Brazilian blue cactus looking blue, it is important to provide it with bright sunlight for at least 4-6 hours daily and to avoid exposing it to direct sunlight for extended periods of time.  

You should also be careful not to overwater the blue cactus, as excess water can cause the waxy coating to break down and the stem to turn brown. Additionally, you can help to protect the cactus by wiping the stem with a soft, dry cloth to remove dust and debris that can accumulate over time.

What is Pilosocereus Azureus used for? 

Pilosocereus azureus, also known as the Brazilian blue cactus, is primarily grown as an ornamental plant due to its striking blue-green color and tall, columnar shape. It is often grown as a houseplant or in containers, where it can be kept much smaller than its natural height of up to 32 feet.  

While the cactus does not have any known medicinal or culinary uses, it is a popular plant among collectors and enthusiasts due to its unique appearance. 

How do you take care of a blue columnar cactus? 

To take care of a blue columnar cactus, such as the Brazilian blue cactus, you should provide it with bright sunlight for at least 4-6 hours daily and avoid exposing it to direct sunlight for extended periods of time. The cactus should be watered sparingly, allowing the soil to dry out completely between waterings.  

It is important not to overwater the cactus, as this can cause the roots to rot. Fertilizer is not necessary, but you can feed the cactus with a cactus-specific fertilizer during the growing season in the spring if desired. Pruning can be done to control the size of the cactus and to create a bushier, more compact plant. 

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