Opuntia robusta var. Silver Dollar

Photo taken 10/10/19. Photo below of same pad taken 10/18/19.
Photo taken 10/18/19. Photo above of same pad taken 10/10/19.

The Opuntia robusta var. Silver Dollar grows in a tree-like manner. At full maturity, specimens can reach heights of 15' (or taller). Mature specimens have an approximate width of 6'. This species pads are rounded and bluish-grey in tone. Pads are typically 1' in diameter. Flower is yellow.

This species falls into USDA hardiness zones 9a - 11. To thrive, this cactus requires full sun to partial shade. During the summer months, follow a moderate watering schedule. During wintertime, keep nearly entirely dry.

Plant Details
USDA Zone Information: 
9a - 11
Flower : 
Ideal Light Conditions: 
Sun to partial shade
Ideal Water Conditions: 
Moderate in summer/Dry in winter
Speed of Growth: 
Mature Height: 
Mature Width: 
Latin Name: 
Opuntia robusta var. Silver Dollar
Common Name: 
Silver Dollar, Silver Dollar Cactus, Wheel Pear, Wheel Cactus

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Corporate Clients (The King hangs hard)


RoboCop (1987)
RoboCop 2 (1990)
Hot Pursuit (2015)


USA Network's Queen of the South (2019)

Botanical Gardens:

New York Botanical Gardens
Oklahoma City Zoo/Botanical Gardens
Mercer Arboretum in Houston, Texas
Meijer Gardens in Grand Rapids, Michigan


Houston, TX Zoo
San Antonio, TX Zoo

Other Clientele:

Houston, TX Rodeo

The Cactus King's cacti and succulents have gone international! If you ever find yourself in China with a little spare time, head to the Chimelong Ocean Kingdom. It is the largest Aquarium in the world (no big deal, pun definitely intended).

The Cactus King's plants are also featured in the Chimelong Ocean Kingdom's partner parks. These include their water park, amusement park, crocodile park and botanical gardens.

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Addresses & Contact Information

Physical Address (IN-PERSON VISITS):
7900 I-45N
Houston TX, 77037

We're located directly next to the Tajj Inn.
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PO Box 16099
Houston, TX 77222

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