|Senita Cactus, Pachycereus schottii. Photo Taken February 17, 2006.|
|Senita Cactus||Pachycereus schottii|
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Columnar, basally branching, slow growing up to 12 feet tall. Stems 4 to 8 inches in diameter; 5 to 10 ribs; areoles on the bottom part of the stems are woolly, oval, 1/8 to 1/4 inch wide, with one to 15 spines, 1/16 to 1/3 inch long; upper areoles 1/3 to 6/10 inch wide, 20 to 75 spines , 1 1/4 to 4 inches long.
Very attractive for landscape use. It is also less frost resistant, and should be protected below 25°F
The senita blooms at night at the end of the spring in the 'hairy' part of the stems. The flowers are light pink, up to 1 2/3 inches in diameter. They close around mid-morning. The Senita blooms most of the year, mainly from April to September. The edible fruit is red, with a red pulp.
Can be seen in its native habitat growing at the Organ Pipe Cactus National Monument, AZ.
Height: Height to about 12 feet. Spreading to about 8 feet.
Flowers: Light pink, up to 1 2/3 inches in diameter.
Fruit: Red, with a red pulp.
Blooming Time: April - September.
Stems: Green stems are slim, lightly pruinose with broad rounded protuberances roughly branched and poorly defined. The areoles are few and insignificant.
Found: Native to Mexico in Baja California (Norte), Baja California Sur, & Sonora. Also in the southern part of Arizona. The USDA claims it is native to the USA (AZ). In La Paz, & Pima Counties.
Elevation: 0 - 4,800 feet. In native areas.
Hardiness: Zone 8b is too cold in most of Arizona, except for southern Arizona. Only Hardy to 18°F. Most growers protect in winter with foam plastic cups on the tips.
Soil pH requirements:
Habitat: Lower elevations sandy flats. 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 The Glendale Arizona Xeriscape Demonstration Garden, February 17, 2006.
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