Sclerocactus Species, Catclaw Cactus, Fishhook Cactus, Texas Hedgehog, Turk's-Head Cactus

Sclerocactusuncinatus

Family
Cactaceae (kak-TAY-see-ee)
Genus
Sclerocactus (skler-oh-KAK-tus)
Species
uncinatus (un-sin-NA-tus)
Synonym
Ancistrocactus uncinatus
Glandulicactus uncinatus
Echinocactus uncinatus
Ferocactus uncinatus
Hamatocactus uncinatus
Sun Exposure
Sun to Partial Shade
Foliage
Height
6-12 in. (15-30 cm)
Spacing
6-9 in. (15-22 cm)
Hardiness
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
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
Maroon/Burgundy
Bloom Time
Late Spring/Early Summer
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Suitable for growing in containers
Bloom Characteristics
Bloom Size
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
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Properly cleaned, seed can be successfully stored
Regional

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

Chuichu, Arizona

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Gardener's Notes:

1
positive
1
neutral
0
negative
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Phoenix, AZ (Zone 9b) | October 2006 | neutral

More synonyms of this plant are Ferocactus mathssonii, Glandulicactus mathssonii, Echinocactus mathssonii, Ancistrocactus mathssonii, ...Read More

K
| November 2003 | positive

I bought one this past January in Phoenix. After leaving it in the pot for 5 months, I transplanted it the beginning of June. It has no...Read More

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