Photo by Melody

PlantFiles: Organillo, Viejo
Grusonia bradtiana

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Grusonia (gru-SON-ee-uh) (Info)
Species: bradtiana (brad-tee-AY-nuh) (Info)

Synonym:Cereus bradtianus
Synonym:Opuntia bradtiana
Synonym:Grusonia cereiformis
Synonym:Opuntia cereiformis

Category:
Cactus and Succulents

Height:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Hardiness:
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)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

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

Bloom Color:
Pale Yellow
Bright Yellow

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Deciduous
Succulent

Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

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

Click thumbnail
to view:

By Xenomorf
Thumbnail #1 of Grusonia bradtiana by Xenomorf

By Xenomorf
Thumbnail #2 of Grusonia bradtiana by Xenomorf

By CactusJordi
Thumbnail #3 of Grusonia bradtiana by CactusJordi

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Xenomorf On Nov 11, 2004, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

I particularly like the array and color of the spines on this one.

Regional...

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

Apache Junction, Arizona
Chandler, Arizona
Phoenix, Arizona



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