Cliff Prickly-pear
Opuntia polyacantha
Last reviewed: August 2026
Opuntia polyacantha is a low-growing prickly pear that blooms yellow from May through July on dry plains and rocky slopes across the western United States. It thrives in full sun with minimal irrigation once established.

Cliff Prickly-pear (Opuntia polyacantha) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org (opens in new tab), last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
The USDA PLANTS Database (opens in new tab) does not flag Cliff Prickly-pear as toxic to livestock.
Light
full sun
Water
low
Size
4"–12" H × 12"–24" W
Bloom
May, Jun, Jul
Native to
AZ, CO, ID, KS and 10 more states
Pollinators
bees, beetles
Before you buy
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Cliff prickly-pear is a low-growing native cactus that forms spreading mats of flat, paddle-shaped segments. It produces bright yellow flowers in late spring and summer, followed by red or purple fruits. This drought-tolerant succulent maintains its green color year-round and requires minimal care once established.
Growing Cliff Prickly-pear
Grow Cliff Prickly-pear in full sun and low water. Mature plants reach 4 to 12 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Cliff Prickly-pear takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Sharp spines create safety concerns
- Cactus appearance conflicts with traditional landscaping expectations
- Can spread beyond intended areas
Wildlife value
The showy flowers attract native bees and beetles during the blooming period. The fruits provide food for birds and small mammals in late summer.
Common questions
- When does Cliff Prickly-pear bloom?
- Cliff Prickly-pear typically flowers from May through July, producing cup shaped yellow blooms on the pads.
- What pollinates Opuntia polyacantha?
- Bees and beetles are the main visitors to the flowers, entering the open blooms to collect pollen during the day.
- How much water does this cactus need?
- It grows best with low water and good drainage, and established plants tolerate long dry spells typical of high plains and rocky grassland habitats.
- What kind of light does Cliff Prickly-pear require?
- This cactus needs full sun for compact growth and reliable flowering, and it does not perform well in shaded sites.
- Does Cliff Prickly-pear lose its pads in winter?
- No, it is evergreen and keeps its pads year round, though they may shrivel slightly during hard freezes and plump back up in spring.
- Is Cliff Prickly-pear toxic to dogs?
- Cliff Prickly-pear is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
- Is Cliff Prickly-pear toxic to cats?
- Cliff Prickly-pear is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
- Is Cliff Prickly-pear toxic to livestock?
- The USDA PLANTS Database does not flag Cliff Prickly-pear as toxic to livestock.
- Is Cliff Prickly-pear HOA-friendly?
- Cliff Prickly-pear takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Cliff Prickly-pear? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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