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Pterocactus

Pterocactusaustralis

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Pterocactus australis by palmbob
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Family
Cactaceae (kak-TAY-see-ee)
Info
Genus
Pterocactus (ter-oh-KAK-tus)
Info
Species
australis (aw-STRAL-iss)
Info
Synonym
Opuntia australis
Pterocactus arnoldianus
Pterocactus australis var. arnoldianus
Pterocactus valentinii var. arnoldianus
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Deciduous
Height
under 6 in. (15 cm)
Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
Hardiness
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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Pale Pink
Pale Yellow
Cream/Tan
Bloom Time

Unknown - Tell us

Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color

Unknown - Tell us

Where to Grow
Can be grown as an annual
Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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
Non-patented
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
Regional
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Xenomorf
Phoenix, AZ (Zone 9b) | July 2005 | neutral

The flowers are yellow with a pink or brown tint.
The leaves on all Pterocactus are small and fall away early.

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