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Pachycereus marginatus (Organ pipe cactus)
1 hour care
per year
per year
7m
Max height
Max height
2m
Max spread
Max spread
10-20 years
To maturity
To maturity
Low
Toxicity
Toxicity
Plant details
Botanical name
Pachycereus marginatus
Other names
Marginatocereus marginatus, Stenocereus marginatus, Mexican fence post cactus, Fence post cactus, Organo, Central Mexico pipe organ, Organ pipe cactus
Genus
Pachycereus Pachycereus
Species
P. marginatus - P. marginatus is a tender, erect, rarely branched, tree-like, perennial cactus with ribbed, spiny, blue- or dark green stems and tubular to bell-shaped, white, greenish-white, or pink flowers in summer. Spines tend to fall off as the plant ages.
Pachycereus marginatus is: Evergreen
Habit
Erect, Spiky
Toxicity
Plant has spines; use extreme caution when handling.
Flower
White, Greenish-white, Pink in Summer
How to care
Watch out for
Specific pests
Mealybugs Mealybugs
Diseases
Generally disease-free
General care
Propagation
Sow seed at 21C (70F) in spring. Root stem cuttings in spring or summer.
Propagation methods
Seed, Stem segments
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Where to grow
Pachycereus marginatus (Organ pipe cactus) will reach a height of 7m and a spread of 2m after 10-20 years.
Suggested uses
Conservatory, Containers, Drought Tolerant, Gravel, Indoor, Rock
Cultivation
Grow in moderately fertile, sharply drained soil in sun. Under glass, grow in cactus compost in full light. In spring and summer, water moderately & feed a low nitrogen fertiliser every 5 weeks.
Soil type
Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Indoor heated (H1), Tender in frost (H3)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Pachycereus marginatus
Other names
Marginatocereus marginatus, Stenocereus marginatus, Mexican fence post cactus, Fence post cactus, Organo, Central Mexico pipe organ, Organ pipe cactus
Genus
Pachycereus Pachycereus
Species
P. marginatus - P. marginatus is a tender, erect, rarely branched, tree-like, perennial cactus with ribbed, spiny, blue- or dark green stems and tubular to bell-shaped, white, greenish-white, or pink flowers in summer. Spines tend to fall off as the plant ages.
Native to
Mexico
Foliage
Evergreen
Habit
Erect, Spiky
Toxicity
Plant has spines; use extreme caution when handling.
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Colour
Flower
White, Greenish-white, Pink in Summer
How to care
Watch out for
Specific pests
Diseases
Generally disease-free
General care
Propagation
Sow seed at 21C (70F) in spring. Root stem cuttings in spring or summer.
Propagation methods
Seed, Stem segments
Monthly care advice
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Where to grow
Pachycereus marginatus (Organ pipe cactus) will reach a height of 7m and a spread of 2m after 10-20 years.
Suggested uses
Conservatory, Containers, Drought Tolerant, Gravel, Indoor, Rock
Cultivation
Grow in moderately fertile, sharply drained soil in sun. Under glass, grow in cactus compost in full light. In spring and summer, water moderately & feed a low nitrogen fertiliser every 5 weeks.
Soil type
Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Indoor heated (H1), Tender in frost (H3)
USDA zones
Zone 11, Zone 10, Zone 9
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Loamy, Sandy | Tell us... |
| Soil drainage: | Well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | South, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Indoor heated (H1), Tender in frost (H3) | Tell us... |
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