Skip to content

Opuntia fragilis

Brittle pricklypear

Family CactaceaeAlso called Little prickly pear, Brittle cactus

easyIUCN: Least concern Wikipedia (opens in a new tab)

About

Brittle prickly pear is a small, low cactus of western North America whose swollen joints snap off easily. It grows farther north than any other cactus.

Care at a glance

Pet safety
Listed as non-toxic to dogs, cats and horses, but spines and glochids cause injury. General guidance for the genus
People
Barbed glochids lodge in skin and irritate; wear gloves when handling. General guidance for the genus
Light
Full sun (6+ hours of direct sun); high light indoors. General guidance for the genus
Water
Very drought tolerant; avoid soggy soil, which causes root rot. General guidance for the genus
Soil
Well-drained sandy or loamy soil; cactus mix in pots. General guidance for the genus
Propagation
A single detached pad roots readily to form a new plant. General guidance for the genus
Mature size
Prostrate, up to 20 cm tall.

“General guidance for the genus” marks advice sourced for the genus as a whole rather than this species.

Field notes

Morphology

A prostrate plant up to 20 cm tall. Joints are plump, oval to almost round, 3–5 cm long and bright green, detaching easily. Each areole has whitish wool, bristles and 2–7 weak, dark brown spines up to 6.5 cm. Flowers are greenish yellow, 2.5–3.2 cm wide; the small fruits are mostly sterile.

Distribution & habitat

Every US state west of North Dakota and Texas plus several Midwestern states, and Canada from Ontario to the Pacific. Often confined to one area of a state; reaches about 56°N in the Peace River watershed.

Read the full article on Wikipedia →

Habitat

Altitude
Not recorded
Altitude class
—
Native to
United States, Canada
IUCN status
Least concern

Cultivation

Difficulty
easy

Text adapted from Wikipedia, CC BY-SA 4.0.

Crossed O. fragilis with another species?Register the cross. If it's not documented yet you'll be the first contributor; if someone already registered it, you'll be taken there to add your photo.