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Online plant nursery · Delivering across South Africa

Brain Cactus

Brain Cactus

R 145.00 ZAR
R 145.00 ZAR
Sale Sold out
Shipping calculated at checkout.

A wavy, crested cactus that grows in brain-like folds.

  • Easy care
  • Brightest light, full sun
  • Only when fully dry
  • Keep away from pets and kids
  • 8cm grow pot
Size
★★★★★
“I was not expecting it to be this big and bushy, now I know that I will never go wrong with I go Eco”
Verified review · Jade Money Plant large, Nov 2025

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Arrives healthy Or we replace it. Tell us within 24h with photos.
Nationwide delivery Pudo locker R89, to your door R145.
4.94 ★ rated From 1114 customer reviews.

About this plant

Brain cactus

Also known as Wave cactus, Halloween plant, Mammillaria Elongata

Light requirements:

Indoor: Place it by your window with the brightest light

Outdoor: Full sun - Full sun. It can tolerate semi shade however it will not reach full potential. 

Water requirements:

Indoor & outdoor: Requires very little water. Water only once soil has dried out completely.

Note: Keep away from cildren and pets. Toxic

Note: Each individual plant is unique. This image is an example only, however the plant you receive will be as close as possible to this image description. 

Note: Stem length indicated above  is a guide to the estimated length rather than an exact length that you will receive. 

Note: The plant you receive might have some differences. We keep a few different types of snake plants. 

Delivery and packaging

We deliver nationwide with The Courier Guy: Pudo locker R89 or to your door R145. Gauteng customers can also collect in Boksburg (R25).

Orders ship from our depot within 7 working days, and most are on their way sooner. A few rarer plants are ordered in specially for you, which is why we allow 7 days. Couriers don't deliver on weekends.

Every order is packed by hand to survive the courier.

Healthy arrival guarantee

If your plant arrives dead or damaged, we replace it. Just let us know within 24 hours of receiving it and send us a few photos.

For everything else, see our refund policy.

View full details
Brain Cactus

Meet the plant

A wavy, crested brain cactus

Mammillaria elongata 'Cristata' · also known as Brain cactus, wave cactus, crested ladyfinger

Native to Garden form; the species is from central Mexico

A crested form of the ladyfinger cactus that grows in rippling, brain-like folds covered in fine spines. It's a curious, slow-growing collector's plant.

  • Rippling, crested growth that looks like coral or a brain.
  • A quirky 8cm-pot cactus for your brightest window.
  • Needs very little water.

Where it thrives

The best spot in your home

Indoors, the window with the brightest light, ideally north-facing. Outdoors, full sun, protected from frost and rain.

Safety: Keep away from pets and kids.

Care card

Light
Brightest light, full sun
Water
Only when fully dry
Humidity
Low
Temperature
8 to 32°C, no frost
Soil
Cactus mix
Feeding
Rarely needed
Growth
Slow, crested
Outdoors
Yes, frost-free

Care made simple

Your first weeks together

  1. Place it at your brightest window or in full sun.
  2. Water only once the soil has dried out completely.
  3. Handle it with paper or gloves to avoid the spines.

Plant doctor

If you see this, do this

  • Soft, brown patchesRot from too much water. Let it dry right out.
  • Pale, stretched growthNot enough light. Move it into full sun.
  • Normal finger-like stems appearingIt's reverting from the crest. Snip them off to keep the brain shape.

Questions

Good to know

What size will I receive?

A plant in an 8cm grow pot. Plants vary a little in shape. Every plant is unique; the photo shows the size to expect.

Can it grow in semi-shade?

It can tolerate it, but it won't reach its full potential.

Is it safe around pets and children?

Keep it out of reach of children and pets: it is toxic if eaten.

Packed to arrive alive

4.94 out of 5 from 1114 reviews

We ship living plants across South Africa every week. This is what our customers say when the box arrives.

Our unboxing test: a plant box after a rough courier trip

  • ★★★★★
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  • ★★★★★
    “All plants were sent beautifully packaged and arrived safely to Durban by courier.”

    Review on Hoya Carnosa Krimson Princess · Aug 2025

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    “I can't believe how beautifully my plants were packed. I received 5 and none was damaged!”

    Review on Dracaena Compacta · Apr 2026

  • ★★★★★
    “I ordered 3 plants, they were all bigger than the photo and delivered in great condition. Highly recommended.”

    Review on Jade Money Plant Variegated · Sep 2025

Read all 1114 reviews