Mammillaria columbiana
The most southerly widespread Mammillaria, ranging from southern Mexico and Central America to the dry Andean valleys of Colombia and Venezuela. It grows on rocks and in dry scrub, often at 2,000 m or more, and wants bright sun, mild temperatures and a drier winter.
Where it grows wild
Rock outcrops, cliffs and dry scrub, often in rain-shadowed inter-Andean valleys; lowland forms grow on limestone near the coast.
Recorded at 100โ2,514 m, median 2,150 m; Colombian sites cluster around 2,150 m in Boyacรก.
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The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 2.0 licence, unmodified.