Photo by Melody

PlantFiles: Mammillaria
Mammillaria guelzowiana

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Mammillaria (mam-mil-AR-ee-uh) (Info)
Species: guelzowiana (gewl-zow-ee-AY-nuh) (Info)

Synonym:Krainzia guelzowiana
Synonym:Phellosperma guelzowiana
Synonym:Bartschella guelzowiana

2 members have or want this plant for trade.

Category:
Cactus and Succulents

Height:
under 6 in. (15 cm)

Spacing:
3-6 in. (7-15 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)

Sun Exposure:
Full Sun
Sun to Partial Shade

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

Bloom Color:
Fuchsia (Red-Purple)

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Succulent

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

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:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From woody stem cuttings
Allow cut surface to callous over before planting
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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to view:

By albleroy
Thumbnail #1 of Mammillaria guelzowiana by albleroy

By albleroy
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By albleroy
Thumbnail #3 of Mammillaria guelzowiana by albleroy

By cacti_lover
Thumbnail #4 of Mammillaria guelzowiana by cacti_lover

By cacti_lover
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By cacti_lover
Thumbnail #6 of Mammillaria guelzowiana by cacti_lover

By palmbob
Thumbnail #7 of Mammillaria guelzowiana by palmbob

There are a total of 14 photos.
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Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral palmbob On Aug 20, 2010, palmbob from Acton, CA (Zone 8b) wrote:

This is indeed a nice plant when it flowers... when not flowering, it is not one of the most beautiful Mammilliarias, but it can make a nice potted plant if grown carefully and kept warm, dry and in very bright light (some climates, like central and southern Arizona most grow this under shade cloth as bright sun can be harsh on it). Mexican species. Rots easily if allowed to stay wet, particularly when cold. Has hooked spines so careful.

Positive albleroy On Mar 1, 2004, albleroy from Wavre/ greenhous +/- 2500 species, IA wrote:

This, probably showiest-flowered Mammillaria, was recolted in Durango, 15 miles NW of highway 45, grassy slopes of the mountains N of the Rio Nazas

Regional...

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

Phoenix, Arizona
Tucson, Arizona



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