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Cactus.

Mexican Fencepost Cactus, Pachycereus marginatus.

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Mexican Fencepost Cactus, Pachycereus marginatus. Also called: Stenocereus marginatus, Central Mexico Organ Pipe, Organo, Órgano, Jarritos, Chilayo, Cereus marginata,:Lemaireocereus marginatus, Cereus gemmatus, Stenocereus marginatus var. gemmatus. Xeriscape Landscaping Plants For The Arizona Desert Environment. Pictures, Photos, Information, Descriptions, Images, & Reviews. Cactus. Photo At Mitla - Zapotec Ruins - Oaxaca, Mexico.
Mexican Fencepost Cactus, Native Mexico Environment.
Mitla - Zapotec Ruins - Oaxaca, Mexico. January 14, 2005.
Mexican Fencepost Cactus, Pachycereus marginatus. Also called: Stenocereus marginatus, Central Mexico Organ Pipe, Organo, Órgano, Jarritos, Chilayo, Cereus marginata,:Lemaireocereus marginatus, Cereus gemmatus, Stenocereus marginatus var. gemmatus. Xeriscape Landscaping Plants For The Arizona Desert Environment. Pictures, Photos, Information, Descriptions, Images, & Reviews. Cactus. Photo At Glendale, Arizona.
Mexican Fencepost Cactus, Pachycereus marginatus.
Photo Glendale, Arizona. Xeriscape Garden February 20, 2006.
Mexican Fencepost Cactus, Pachycereus marginatus. Also called: Stenocereus marginatus, Central Mexico Organ Pipe, Organo, Órgano, Jarritos, Chilayo, Cereus marginata,:Lemaireocereus marginatus, Cereus gemmatus, Stenocereus marginatus var. gemmatus. Xeriscape Landscaping Plants For The Arizona Desert Environment. Pictures, Photos, Information, Descriptions, Images, & Reviews. Cactus. Photo At Glendale, Arizona.Mexican Fencepost Cactus, Pachycereus marginatus. Also called: Stenocereus marginatus, Central Mexico Organ Pipe, Organo, Órgano, Jarritos, Chilayo, Cereus marginata,:Lemaireocereus marginatus, Cereus gemmatus, Stenocereus marginatus var. gemmatus. Xeriscape Landscaping Plants For The Arizona Desert Environment. Pictures, Photos, Information, Descriptions, Images, & Reviews. Cactus. Photo At Glendale, Arizona.
Mexican Fencepost Cactus.
Pachycereus marginatus.
Mexican Fencepost Cactus.
Pachycereus marginatus.
Mexican Fencepost Cactus, Pachycereus marginatus. Also called: Stenocereus marginatus, Central Mexico Organ Pipe, Organo, Órgano, Jarritos, Chilayo, Cereus marginata,:Lemaireocereus marginatus, Cereus gemmatus, Stenocereus marginatus var. gemmatus. Xeriscape Landscaping Plants For The Arizona Desert Environment. Pictures, Photos, Information, Descriptions, Images, & Reviews. Cactus. Photo At Lambityeco - Zapotec - Oaxaca, Mexico.Mexican Fencepost Cactus, Pachycereus marginatus. Also called: Stenocereus marginatus, Central Mexico Organ Pipe, Organo, Órgano, Jarritos, Chilayo, Cereus marginata,:Lemaireocereus marginatus, Cereus gemmatus, Stenocereus marginatus var. gemmatus. Xeriscape Landscaping Plants For The Arizona Desert Environment. Pictures, Photos, Information, Descriptions, Images, & Reviews. Cactus. Photo At Lambityeco - Zapotec - Oaxaca, Mexico.
Mexican Fencepost Cactus.
Pachycereus marginatus.
At Left Corner Of:
Lambityeco - -Zapotec
Archaeological Ruins.
Oaxaca, Mexico.
January 14, 2005.
Flower.
Mexican Fencepost Cactus.
Pachycereus marginatus.
Lambityeco - -Zapotec
Archaeological Ruins.
Oaxaca, Mexico.
January 14, 2005.

Mexican Fencepost Cactus.
Pachycereus marginatus, Cactus Family ( Cactaceae ), Mexican Fencepost Cactus. Also called: Stenocereus marginatus, Central Mexico Organ Pipe, Organo, Órgano, Jarritos, Chilayo, Cereus marginata,:Lemaireocereus marginatus, Cereus gemmatus, Stenocereus marginatus var. gemmatus.

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Mexican Fencepost Cactus has columnar trunks that can reach 20 feet tall. It can be used to create a tall fence from cuttings and it has no big spines, so it's safe for pedestrian areas.

Columnar, basally branching, slow growing up to 12 feet tall. Stems 3 to 4 inches in diameter; 5 to 7 ribs; large merging areoles. It also has a slightly yellowish central spine about 3/8 inch in diameter with 5-9 radials.

Very attractive for landscape use. It is also less frost resistant, and should be protected below 25°F

It has one inch in diameter green - white flowers in March, which become very sweet, edible, dark red, 1/3 inch in diameter fruits.

In Southern Mexico, we have noticed that Pachycereus marginatus are often used to make living fences along the streets of the small villages. They often grow at a rate of more than than 3 feet a year.


Quick Notes:

Height: Height to about 20 feet. Usually about 12 feet. Spreading to about 8 feet.

Flowers: Small white, to pinkish, to greenish flowers, can have up to 2 in each areole, 1 1/4 to 1 2/3 inches long.

Blooming Time: March - April..

Fruit: Spiny yellowish to reddish colored fruit, 1 2/3 inches in diameter, and dry. Seeds are black.

Stems: Green stems are stems 3 to 4 inches thick.

Found: Native to central and southern Mexico; including the Federal district and states of Hidalgo, Oaxaca, Puebla, Queretaro, San Luis Potosi, Tamaulipas, Tlaxcala, & Veracruz

Elevation: 0 - 4,800 Feet.

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)

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Sun Exposure:
Partial Shade
Full Shade

Habitat: Lower elevations where water is available. It grows well in sand, sandy loam. It needs good drainage and aeration. Common xeriscape landscape plant in Arizona.

Miscellaneous: Maintenance: Low. Photos Taken At Glendale; February 20, 2006. Mitla, Mexico; January 14, 2005. Lambityeco, Mexico, January 14, 2005.

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