This is an older edition of the PDFs, retained here for archival purposes. Go back to the front page for the latest edition.
The material is presented as a series of PDF files. This is the December 2021 Edition, the fourth release. There are 668 pages of material and 944 pictures in this release.
Everything is free to read, licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives license. Feel free to download the files and read them at your leisure.
001. Introduction (PDF 0.66MB)
002. The Perils of Commodity Cacti (PDF 1.31MB)
003. The Winners (PDF 2.22MB)
004. A Few Other Species (PDF 1.60MB)
005. Useful Concepts (PDF 2.72MB)
006. Nutrition for Your Cacti (PDF 1.88MB)
007. Battling Bugs (PDF 3.12MB)
008. Cactus Cultivation in the Tropics (PDF 4.21MB)
If you have trouble following the discussion, read them in order. Parts 001 to 008 are best read in order.
009. Repotting Cacti (PDF 4.28MB)
010. Propagation Via Offsets (PDF 4.04MB)
011. Flowers and Forcing Flowers (PDF 5.34MB)
012. More About Foliar Feeding (PDF 4.44MB)
013. Complications of Shrinking (PDF 4.79MB)
014. Roots in Rocks (PDF 6.01MB)
015. Hooray for Healthy Roots (PDF 6.90MB)
016. Flowers and Forcing Flowers Part 2 (PDF 4.71MB)
017. Getting Commodity Cacti to Flower (PDF 4.63MB)
051. Grafting Part 1 (PDF 5.40MB)
052. Grafting Part 2 (PDF 4.80MB)
053. Grafting: 2019 Specimens Part 1 (PDF 4.78MB)
054. Grafting: 2019 Specimens Part 2 (PDF 5.92MB)
055. Grafting: 2019 Specimens Part 3 (PDF 2.94MB)
071. Seeds and Volunteer Seedlings (PDF 3.95MB)
072. Seed Sowing Experiments 2019 (PDF 4.91MB)
091. Data and Charts (PDF 0.87MB)
To see what has changed from the last edition, see the Changelog.
096. Upcoming Attractions (PDF 0.46MB)
099. Changelog (PDF 71KB)
These files will always be free. Never ever give money to anyone who asks for payment for this material – there is no such thing. If you ever feel an urge to contribute something back to me, pay it forward instead – help other growers or do anything you see fit to that end.
copyright (c) 2021 by slime_mold_b