Photo of Oreocereus celsianus form, habitat by Pamla J. Eisenberg

Photo by Pamla J. Eisenberg

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Oreocereus celsianus

Also Known As

  • Borzicactus celsianus
  • Cereus celsianus
  • Oreocereus maximus
  • Oreocereus neocelsianus
  • Pilocereus celsianus
  • Old Man Cactus
  • Old Man of the Andes
  • Old Man of the Mountains

Plant type

cactus / succulent

size

  • H: 3'-10'
  • W: 4"-18"

planting zones

  • 8a-10b

More Options

Oreocereus celsianus plant details

Oreocereus celsianus is an evergreen cactus / succulent with blue foliage. In summer pink flowers emerge. Features fuzzy texture. Grows well with sun and occasional - low water. Drought tolerant once established. Does well in average, gritty and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Oreocereus celsianus

Plant type: cactus / succulent
Plant family: cactaceae
Foliage: evergreen blue
Mature size: 4 IN - 18 IN - wide, 3 FT - 10 FT - tall
Flowers: pink blooms in summer
Uses: spiky, xeric

GROWING CONDITIONS for Oreocereus celsianus

USDA Zones: 8a - 10b
Sun exposure: sun
Watering frequency: occasional - low
Resistant to: verticillium wilt
Soil needs: average, gritty and well-drained

Nursery contributed plant descriptions

Protect from Direct Afternoon Sun. No Xtra water in Winter. Full Sun to Partial Shade. Pink, Magenta. Outdoor. part shade.

By: Moon - Sun Cactus & Koi Gardens

Here's one of those annoying plants that can live through amazing extremes of cold if it is kept dry, but still doesn't seem to grow outside in the Pacific Northwest without a lot of help. Beginning as a column of white hair with spines sticking out (it's pretty cool even when little), it may eventually offset to form large clumps. Native to the highlands of Bolivia, it may endure temperatures down to about 5 °F if kept COMPLETELY dry. The wetter your winters are, the less frost is tolerated. Some summer water is appreciated.

Gardening facts about Oreocereus celsianus plant

How to Grow Oreocereus celsianus

  • Sun Exposure

    • sun
  • Water Needs

    • occasional - drought tolerant
  • Soil Needs

    • average
    • well-drained
    • gritty
  • Special Situation

    • verticillium wilt resistant

Features

  • Foliage Color

    • blue
  • Flower Color

    • pink
  • Flower Season

    • summer
  • Foliage Season

    • evergreen
  • Texture

    • fuzzy

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