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Welcome to the CactiExchange Wiki

The community encyclopedia of cacti & succulents — identification, care, and propagation.

🌵 Browse

• All cacti — barrels, columns, globes & epiphytes
• By genus & family
• Care guides
• San Pedro / Trichocereus? → sanpedrocact.us

📖 Start here

• Astrophytum asterias — featured species
• Soil and potting mix — the foundational guide
• Watering · Propagation — seed · Grafting (coming soon)

About this wiki

The CactiExchange Wiki is the open reference behind the r/cactiexchange trading community. When members discuss a species, the community bot links here automatically. Articles cover identification, cultivation, propagation, and common problems; species that are legally controlled carry a factual legal-status note.

Contribute

Anyone can create an account and help improve existing pages after confirming their email address. New pages and major structural changes are reviewed by editors before going live. Photos are especially welcome — look for the "add a photo" prompt on any article.

🌵 Grow something cool.