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Siler's Pincushion Cactus, Gypsum Cactus, Gypsum Plains Cactus

Pediocactussileri

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Pediocactus sileri by CactusJordi
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Family
Cactaceae (kak-TAY-see-ee)
Info
Genus
Pediocactus (pee-dee-oh-KAK-tus)
Info
Species
sileri (SY-ler-ee)
Info
Synonym
Utahia sileri
Echinocactus sileri
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage

Unknown - Tell us

Height
under 6 in. (15 cm)
Spacing
3-6 in. (7-15 cm)
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 Yellow
Bright Yellow
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
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
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 seed; direct sow after last frost
Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Marble Canyon, Arizona

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