Pilosocereus calcisaxicolus
Pilosocereus calcisaxicolus
Pilosocereus calcisaxicolus
Pilosocereus calcisaxicolus
Pilosocereus calcisaxicolus
Pilosocereus calcisaxicolus

Pilosocereus Calcisaxicolus Old Man Cactus

(This plant comes in a 3.5 inch pot. You will receive a very similar plant to the one in the picture. It may or may not be blooming at the time of your purchase. The plant is shipped in its pot to prevent any damage to the roots).

Pilosocereus Calcisaxicolus, known by its common name ‘Old Man Cactus’, belongs to the Cactaceae family. This cactus grows up to 12-15 ft. in height and is native to Brazil. Pilosocereus calcisaxicolus is a shrubby or columnar plant that looks like a miniature Blue Saguaro.

Growth Rate

The growth rate of the Old man cactus is slow.


The flowers bloom in the mid-summer in beautiful white to pale pink shade.

Water and Feeding/Fertilizer

Watering once a week is more than enough for Pilosocereus calcisaxicolus. It needs a solid supply of water in the summer season. Always try to use balanced fertilizer which will not harm the cactus. 


This cactus prefers dry soil with organic materials. 


The Old man cactus belongs to the hardiness zone of 10a – 11 and has a frost tolerance of -12° C (10.4° F).


Pilosocereus calcisaxicolus cacti need full sun to partial shade. Like other cacti, they need good sunlight to flourish. 


The best way to propagate this variety of cacti is with cuttings. Once the top cuts have rooted, they should flower early.

The Old Man Cactus is a ​​tall and spikey cactus, which needs less maintenance. It will make your indoor and outdoor look appealing. Purchase today to décor your garden.

Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz

Blooming Season Mid summer
Common Name Old man cactus
Dormancy -
Family Cactaceae
Flower White to pale pink
Frost Tolerance -12 C °
Growth Rate Slow growth
Hardiness Zone 10a - 11
Height 12-15 ft.
Origin Brazil
Pot Size 3.5"
Scientific Name Pilosocereus calcisaxicolus
Shape Tubular
Sun Exposure Sun to partial shade
Customer Reviews
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Filter Reviews:
Terri W.
United States United States


Arrived way early. Packaged good & looked better than the picture Thanks again!

Jennifer W.
United States United States

Perfect plant

Fast shipping, the cactus was packaged very well, it was a healthy and good size cactus. Very pleased with my purchase. I will definitely buy from Planet Desert again.

Tyson J.
United States United States

Great little guy

This little guy is great. He looks amazing and was in great shape when I got him. I can’t wait to buy from from Planet Desert

Rodney R.
United States United States


Great blue green color, really healthy plant.

Alan S.
United States United States

Satisfied customer

Bought 3 cacti from this wonderful site & all 3 are beautiful & unique. I'll be buying more when i make more money :p. Only complaint i have is that i didn't know about this site sooner lol.

Pilosocereus calcisaxicolus

6 reviews

SKU: 218

Regular price $ 12.99 Sale price $ 11.04 Save 15%
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Colder regions warning: If you are expecting temperatures below 40 degrees within the next five days after placing your order, we highly recommend adding a heat pack to your order. We are now offering 72-hour heat packs by request. If your order is $50.00 or more, you will get a heat pack free of charge. To prevent plants from freezing while in transit, orders placed for areas with extreme severe freezing temperatures will be held for shipment until it is safe to ship. Care instructions are included in every package you order. We ship via USPS Priority Mail, and we calculate the shipping cost based on the weight and volume of your purchase. Depending on your location, we will ship the plants on a certain day to avoid transit time during weekends or holidays. If you have any questions or comments, please feel free to contact us at any time.