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Plant Know-How: Acanthocereus tetragonus

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This cute little cactus is Acanthocereus tetragonus, commonly known as the Fairy Castle Cactus! Acanthocereus tetragonus gets its common name from its miniature spire-like growth. It's easy to see its resemblance to a tiny castle perfectly suited for a fairy! Acanthocereus tetragonus is native to the United States, Mexico, Central America, and South America. This is a true desert cactus and well adapted for living in direct sun and going long periods without water. If you have an especially sunny spot indoors, or want to try your hand at some outdoor plants, this is a great choice! If you're used to keeping tropical houseplants there can be a bit of a learning curve when it comes to cacti. We've got all of the care info you'll need to know to ensure you grow a happy and thriving Acanthocereus tetragonus!
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Light Requirements: Acanthocereus tetragonus needs very bright indirect light or direct sun to truly thrive. If being grown outdoors in direct sun be sure to protect your plant from harsh, afternoon sun as it may sunburn your plant.

Water Tips for Acanthocereus tetragonus: Acanthocereus tetragonus wants to go completely dry in-between watering. Plants being grown indoors will need to be watered much less frequently than those grown outdoors. If you're still getting the hang of keeping cacti a moisture meter is a great tool!

The Best Soil for Acanthocereus tetragonus: This is a true desert dweller and needs a quickly draining cactus or succulent soil mix! We recommend our Desert Potting Mix!

Is Acanthocereus tetragonus Pet Safe? It's best to keep Acanthocereus tetragonus away from pets because of its sharp spikes!

Did you know? When mature Acanthocereus tetragonus produces large, white flowers that bloom only during the evening! When pollinated these flowers become edible fruits!