Spiral Unicorn Cactus

$38.00

Craving something unique to add dimension to your plant fam? Ditch the monotony and say hello to Spiral Cactus (also called Unicorn Cactus, or if you prefer the botanical name, Eulychnia castanea Varispiralis). It's not your average prickly pal–this one's a whimsical living sculpture.

Imagine a lush green spiral reaching towards the light, adding a touch of modern magic to your space. But don't worry, this beauty isn't high maintenance. It tolerates neglect (think occasional deep watering and bright light) and is naturally resistant to pests and diseases, making it perfect for even the most forgetful plant enthusiast.

Breathe easy: Your beautiful new Cactus will ship fresh from our fourth-generation, family farm directly to your door (shipping included!), complete with a cozy heat pack if needed. We're here to help you thrive together! ‍

  • Unique and show-stopping: This cactus is a living sculpture, guaranteed to spark conversations and add a touch of whimsy and nature to your home
  • Easy care: Perfect for forgetful plant parents (we've all been there!) and experienced plant owners looking for a hard-to-find beauty
  • Over time, can grow more than 6 feet tall

Light Level: Direct Sunlight

This plant loves direct sunlight. Place it by a window or on a porch that gets direct, natural light for at least a portion of the day.

Water Level: Not Thirsty

This plant can go several weeks without water. Only water it when the soil dries out completely and be careful not to over-water.

Quick Tips

It grows best indoors with lots and lots of light. It thrives both with natural sunlight inside, plant lights, or a combination of both.



AI Assistant

Grow your indoor oasis with confidence! Costa Farms plants come with 3 months of free AI plant care. You'll receive ongoing Spiral Unicorn Cactus | teacup care, plant health tips, and help from a community of other customers that will ensure your new plant thrives in ¡ts new home.

You'll also have access to our team of experts for ongoing plant care support. Even beginners can master plant parenthood with Costa Farms.

Size Guide
A Spiral Unicorn cactus on a bright orange coffee table. The plant is uniquely spiral shaped with small spikes. It is in a grower's pot.

Plant Bio

Eulychnia castanea Varispiralis

Spiral Cactus is a delightful form of Eulychnia castanea, a tough plant native to Chile and first discovered in the 1860s. We’re not sure when this spiral form was first introduced, but it is still a hard-to-find (perhaps even rare?) cactus today.

Like other cacti Unicorn Cactus wants lots and lots of light indoors. Keep it within 2 to 3 feet of an unobstructed south-, west-, or east-facing window for best results. If you don’t have a bright window, plant lights will do just fine.

It also has low water needs and can tolerate drought. Water just before the potting mix dries out. If you’re not sure if it needs water, one way to check is to insert a wood toothpick in the drainage hole in the pot. Leave it in place for a minute or two, then pull it out. If the toothpick comes out clean, it’s probably time to water. If the toothpick comes out with potting mix adhering to it, then you can probably hold off watering.

Note: This plant may have some natural degree of toxicity and may cause discomfort or illness if ingested. Additionally, exposure to the sap of this plant may cause discomfort to individuals with a sensitivity to it upon contact. Grown for ornamental purposes and not intended for human or animal consumption.

A Spiral Unicorn cactus on a bright orange coffee table. The plant is uniquely spiral shaped with small spikes. It is in a grower's pot.

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