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Thelocactus

Thelocactustulensis

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Thelocactus tulensis by palmbob
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Family
Cactaceae (kak-TAY-see-ee)
Info
Genus
Thelocactus (thel-oh-KAK-tus)
Info
Species
tulensis (too-LEN-sis)
Info
Synonym
Echinocactus tulensis
Thelocactus krainzianus
Sun Exposure
Full Sun
Foliage

Unknown - Tell us

Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness
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
Pale Pink
Pale Yellow
Bright Yellow
Bloom Time
Late Winter/Early Spring
Mid Spring
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

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

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

Chandler, Arizona

Phoenix, Arizona

August, California

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palmbob
Acton, CA (Zone 8b) | March 2004 | positive

Little barrel/columnar cactus with large, showy yellow-pink flowers in late winter to spring (maybe longer?). Long straight spines from i...Read More

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