11 Best Larger Indoor Cactus to Grow

Cacti is popular worldwide as the plants that don’t require extra maintenance. They are stunning houseplants and the choices of large indoor cactus are big. There are different shapes, colors, and how to care for it indoors.

Some cacti are rare and expensive since their origin is from a remote place. But as an indoor plant, the cactus is an excellent option because watering might be a lot of work for some people. Here are some cacti to grow indoors.

Best Large Indoor Cactus to Grow

1. Prickly pear cactus

Prickly pear cactus

This plant usually grows in tropical areas. The cactus grows best in full-sun conditions.  It has paddle-shaped which makes it unique.  Putting this cactus indoors must be careful since the best place is near the window. If the plant doesn’t get full sun, it will grow longer and thinner.

2. Saguaro


The Saguaro cactus is the most iconic cactus plant. Saguaro grows well in the desert climate. However, it stands for other weathers as well. This cactus is everywhere in the Southwest area. The maintenance is practical for this type.

You only need to water the cactus once a month. The soul has to be fully dry to let the cactus grow well. During spring and sun, saguaro must get full sun. Saguaro is the most favorite succulent option so far.

3. Barrel cactus

Barrel cactus

Barrel cactus is a large indoor cactus. The stem grows shortly, but it has a lot of thorns. What makes it unique is the thorns are yellow, not white. This species is cute for succulents because it doesn’t grow big.

To grow it indoors, you can put one stem of barrel cactus in a pot. It needs full sun to grow well and have a long span. So, bring the cactus out to get full sun during summer.

Also read: Dwarf Ornamental Trees

4. Bishop’s cap cactus

Bishop's cap cactus

This cactus might be very different from other types. Bishop’s cap cactus naturally grows in Mexico. The stem grows like a star. At the top of the stem, there’s a fluffy and big flower with bicolor, white and yellow.

There aren’t any spines in this large indoor cactus but a beautiful flower. It blooms once in a while, but mostly during summer. However, it doesn’t stand full sun. So, it grows better under the shade. Even indoor maintenance is way better for this type.

5. Angel wing cactus

Angel wing cactus

This large indoor cactus has another name, bunny ears. It grows like a bunny ear with long and wide stems. The best place to grow angel wing cactus is in a hot and dry place. Without watering, the cactus still stands in the climate.

If you want to grow it indoors, adjust the place with sun exposure for the plant. The maintenance may be challenging because of the spines. Gardeners must wear gloves to protect their hands since the spines are painful.

6. Ladyfinger cactus

Ladyfinger cactus

The ladyfinger cactus is challenging to maintain, but it grows beautifully. The cactus has the shape of fingers. This plant is from Mexico, which has a hot and dry climate. There are a lot of spines on the stem, so the gardener needs gloves to protect the hands. Watering once a month won’t be a problem for this plant.

Also read: Begonia Varieties With Names

7. Dwarf chin cactus

Dwarf chin cactus

Another name for this type is spider cactus. It’s from Argentina with the unique shape it has. It’s round, and the stem is flat. Compared to other cacti, this type has fewer spines. This type of cactus is rare. Sometimes, a dwarf chin is very expensive to get.

The uniqueness of this plant is the flower bloom at the center of the cactus. It has bright color and appears during spring and summer. The flower is also colorful with purple, pink, white, and red.

8. African milk tree

African milk tree

Compared to other cacti, the African milk cactus is the best large indoor cactus because it grows taller than others. It may be the most eye-catching cactus. It doesn’t only grow in Africa, but also in other hot and dry places. The growth of the cactus is fast and easy to care for.

The cactus can grow well under full sun or partial shade conditions. Usually, this cactus is excellent to display indoors. Because of its unique shape, the African milk cactus is quite expensive. Trimming the leaves properly makes them have a long life span.

9. Blue Myrtle

Blue Myrtle

This type is also another large indoor cactus. It doesn’t have a lot of spines, yet the existing ones are short. The shape is similar to the widened arms. As the cactus grows, the cactus will look like a tree up to 16 feet.

A blue myrtle is a good option for cactus to grow indoors. However, the gardener should put the cactus outside every day during the day to get sun exposure. The soil must be dry and well-drained though the watering is minimal.

Also read: Large Leaf Indoor Plant

10. Candelabra cactus

Candelabra cactus

Candelabra has a unique shape. It’s popular as an indoor plant because it doesn’t require extra maintenance. Even though the room doesn’t get sunlight during the day, Candelabra will still grow well in that condition.

The stem of Candelabra is growing taller and doesn’t have arms at the side of the stem. The spines are short and not dangerous. Nowadays, Candelabra is a favorite option as a succulent plant. However, the soil condition must be neutral.

11.  Mexican giant cardon

Mexican giant cardon

The cactus is the tallest and has the name “giant” because it’s the biggest in the world. The height is up to 63 feet. The diameter is up to 39 inches. Even though it can grow as a giant cactus, the giant cardon type is also popular as an indoor cactus.

To thrive well, the cactus needs full sun condition. Watering the cactus once a month isn’t a problem. You have to bring the cactus outdoors to get full sun during mid-day. It’s a slow-growing cactus, so it won’t grow giant, at least for the first five years.

The large indoor cactus is one of the best options to grow some plants indoors. Unlike greenery, the cactus doesn’t need extra maintenance. Watering and fertilizing are the things that the gardener doesn’t need to do. Find the best and unique one among the options above.

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