Main Page
- New to succulents? → Soil and potting mix, then Watering — the two things that decide whether a plant lives.
- Looking a plant up? → find it under Browse by group below, or just search its name.
- Something wrong with your plant? → Rot and rescue · Pests and diseases · Etiolation
Browse by group
Astrophytum · Mammillaria · Gymnocalycium · Ferocactus · Copiapoa · Opuntia · Echinocereus · Parodia
Echeveria · Crassula · Sedum · Graptopetalum · Kalanchoe · Sempervivum
Lithops · Conophytum · Pleiospilos · Faucaria · Titanopsis · Dinteranthus
Stapelia · Huernia · Adenium · Pachypodium · Ceropegia
Care guides
Everything you need to keep them alive — written specifically for cacti and succulents, not houseplants in general.
- Rot and rescue — the number-one killer
- Pests and diseases
- Etiolation — pale, stretched growth
Featured article
Astrophytum asterias — the sand dollar cactus: a spineless, flecked disc from the Texas–Mexico borderlands, and one of the most collected cacti in the world. A good look at what a full article here covers — identification, habitat, cultivation, propagation and cultivars.
Looking for San Pedro?
Trichocereus pages here are brief pointers. The community's dedicated San Pedro resource lives at sanpedrocact.us — that's the place for in-depth San Pedro growing, cloning and identification.
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.
Contribute
Anyone can create an account and improve existing pages after confirming their email address. New pages and major structural changes are reviewed by editors before going live.
- 📷 Photos are our biggest need. Almost every article is still waiting on one — look for the "no photo yet" prompt and add yours, with credit.
- Spot an error? Every page has an Edit tab. Corrections are welcome and reviewed.
- See what the community is working on in recent changes.