Photo by Melody

PlantFiles: Pterocactus
Pterocactus tuberosus

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Pterocactus (ter-oh-KAK-tus) (Info)
Species: tuberosus (too-ber-OH-sus) (Info)

Synonym:Opuntia tuberosa
Synonym:Pterocactus kuntzei
Synonym:Pterocactus decipiens
Synonym:Pterocactus tuberosus var. decipiens

3 members have or want this plant for trade.

Cactus and Succulents

under 6 in. (15 cm)
6-12 in. (15-30 cm)

6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Bright Yellow

Bloom Time:
Unknown - Tell us


Other details:
Drought-tolerant; suitable for xeriscaping
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From woody stem cuttings
Allow cut surface to callous over before planting
From seed; direct sow after last frost

Seed Collecting:
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By palmbob
Thumbnail #1 of Pterocactus tuberosus by palmbob

By Xenomorf
Thumbnail #2 of Pterocactus tuberosus by Xenomorf

By franj
Thumbnail #3 of Pterocactus tuberosus by franj

By franj
Thumbnail #4 of Pterocactus tuberosus by franj

By franj
Thumbnail #5 of Pterocactus tuberosus by franj


No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral Xenomorf On Jul 3, 2005, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

The flowers are lemony-yellow to a brownish-yellow to a copper color.
(The leaves on all Pterocactus are small and fall away early.)


This plant has been said to grow in the following regions:

Chandler, Arizona
Tucson, Arizona

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