Myrtillocactus geometrizans
The blue candle or bilberry cactus is a tree-like, branching columnar cactus with blue-green stems. It is widespread across the dry plateaus of central and northern Mexico. It is fast and tough, a favourite grafting stock, and does best with full sun, a summer-wet season and a dry, cool winter.
Where it grows wild
Grows in open xerophytic scrub and thorn scrub on the Mexican highland plateau and in dry valleys such as Tehuacán–Cuicatlán, often forming large stands.
Recorded at 13–2,635 m, mostly around 1,300–2,000 m (median 1,654 m).
🔒 Growing it like that
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 4.0 licence, unmodified.