15 Best Large Cactus Plants To Grow Indoors | Tall Cacti

If you want to create a statement and make your home stylish, try growing one of these Large Cactus Plants indoors.

Like tall houseplants, large cactus plants can create a statement as well. They look bold and trendy, and apart from receiving bright indirect light and part sunlight, they don’t have other requirements. If you’ve got a window in your home that gets some sunshine, you can grow them.

Check out our article on the best Indoor cacti here


Best Large Cactus Plants

1. African Milk Tree

Botanical Name: Euphorbia trigona

Height in Pots: 2 to 6 feet

A tall specimen, the plant has a rapid growth and reaches a good height in no time. Just be careful about the milky white sap it secretes as it can cause irritation and toxic if ingested.

2. Mexican Fence Post Cactus

Botanical Name: Pachycereus marginatus

Height in Pots: 5-8 feet

The bright white margins of this columnar cactus make it look magnificent. You can grow it indoors but keep watering at a minimum.

3. Prickly Pear Cactus

Image Credit: Remodelista

Botanical Name: Opuntia

Height in Pots: 4-8 feet

There are many opuntia species you can try–All are easy to grow. If you’ve got a south-facing window, it’s this guy’s place.

4. Baioensis

Best Tall Cactus Plants 2

Botanical Name: Euphorbia baioensis

Height in Pots: 3-7 feet

Native to Kenya, it can be an excellent house cactus with its impressive height. It also grows canary yellow flowers from Spring to Summer.

5. Candelabra Cactus

Botanical Name:  Euphorbia Ingens

Height in Pots: 3-10 feet

Not precisely a cactus but a succulent like other euphorbias, but it’s one of the most popular plants when it comes to best indoor cacti.

Don’t miss checking out some best large indoor plants here

6. Organ Pipe Cactus

Botanical Name: Stenocereus thurberi

Height in Pots: 3-6 feet

The organ pipe got its name because of its branches that look like an organ pipe. It is also planted for its delicious fruit.

7. Rattail Cactus

Image Credit: Reddit

Botanical Name: Aporocactus flagelliformis

Length in Pots: 4 feet

Rattail cactus may not fit as a tall cactus plant, but it’s perfect for hanging baskets and head planters like in the above image. It prefers exposure to sunlight and moderate watering.

8. Cowboy Cactus

Botanical Name: Euphorbia acruensis ‘Cowboy’

Height in Pots: 3-6 feet

If you have pets or children that are predominantly curious, avoid growing this plant. Also, it prefers slightly moist soil compare to other cacti in the list.

9. Senita Cactus

Botanical Name: Lophocoreus schottii

Height in Pots: 3-5 feet

The plant has quite an unusual shape for a cactus, with a smooth and silky surface, which can make it an attractive addition to your cactus collection!

10. Blue Myrtle Cactus

Image Credit: Mia Cactus

Botanical Name: Myrtillocactus geometrizans

Height in Pots: 3-7 feet

This cactus is widely cultivated in Mexico because of the edible berries it produces. It also looks great with its bright blue-green stems!

11. Mexican Giant Cardon Cactus

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Botanical Name: Pachycereus pringlei

Height in Pots: 3-8 feet

Mexican giant is one of the tallest cactus varieties. When the plant matures, it grows 3-4 inches flowers and also fruits, which are used to make jellies.

12. Old Man Cactus

Image Credit: Caroline Donckers

Botanical Name: Oreocereus celsianus

Height in Pots: 4-6 feet

The old man cactus usually grows on high altitudes. The plant is covered with silky white hair, which gives it an outstanding appearance.

13. Mexican Lime Cactus

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Image Credit: Barry The Cactus

Botanical Name: Ferocactus pilosus

Height in Pots: 2-6 feet

One of the gorgeous looking cacti, it’s a slow-growing variety with a single cylindrical stem with red spines all around. Keeping this plant indoor further reduces its growth.

14. Saguaro

Best Tall Cactus Plants

Botanical Name: Carnegiea gigantea

Height in Pots: 3-6 feet

It is the tallest cactus in the world, which you can easily grow indoors too! Does best in full sun and grows attractive creamy-white flowers. Don’t miss checking out these saguaro cactus facts.

15. Eves Needle Cactus

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Botanical Name: Austrocylindropuntia subulata

Height in Pots: 3-5 feet

If you want a spreading specimen, then this is the variety to go for. Eves needle cactus is quite a maintenance-free plant that does best in lots of sunlight.

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