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Mexican Fence Post Cactus
Pachycereus marginatus
Mexican Fence Post Cactus is a succulent, hardy in USDA zones 9-11, that matures to about 12–20 ft H columns, clumping 3–6 ft W. It does best in full sun with low water needs. Expect pink blooms in spring. It attracts birds, stands up well to drought and heat and grows happily in containers.
- USDA zones
- 9-11
- Sun
- Full sun
- Water
- Low
- Mature size
- 12–20 ft H columns, clumping 3–6 ft W
- Bloom color
- Pink
- Bloom season
- Spring
- Attracts
- Birds
- Tough against
- Drought, Heat
- Native to
- Central Mexico
Freeze survival
Will it survive your winters?
We score Mexican Fence Post Cactus’s freeze-trouble range against the real coldest nights your area has recorded.
Powered by ~35 years of daily lows from the nearest NOAA weather station. A risk read, not a guarantee — a sheltered spot or mature plant beats the odds.
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