A field log built for Trichocereus & Lophophora growers — phases, grafts, pollinations, seed batches and photo timelines. Yours, on your device, even with no signal.
Real screens from the app — load the sample collection and they're yours to explore.
swipe →
Phase ladders tuned to each genus — Seedling → Titan for Trichocereus, Seedling → Methuselah for Lophophora. Size-driven phases advance on their own; flowering-gated ones you set.
SEEDLING · YEARLING · BRANCHING · ADULT · TITANLink a scion to its stock and a pup to its mother. Trace any clone back through cuttings and grafts to where it began.
STOCK · SCION · PARENT · CLONERecord crosses, harvests and germination rates, then assign SKUs — hybrid, same×same, or open-pollinated — and export the list for your seed shop.
CROSS · HARVEST · SKU #327 · CSVEvery photo is dated to the plant. Swipe the filmstrip oldest-to-newest, or compare the first shot against the latest to see real growth.
FILMSTRIP · COMPARE · COVERMap plants to benches and rows. See your greenhouse at a glance, spot empty cells, and find any specimen by its plot.
BENCH · ROW · PLOTIdentify red spider mite, mealybug, cochinilla del carmín and more — with treatment plans and recheck cadences tuned to a greenhouse.
ID · ISOLATE · TREAT · RECHECKLog water and feed in a tap, set per-plant schedules for the growing season, and watch your consistency heatmap fill in.
WATER · FEED · SCHEDULEEverything lives in your browser — no account, no cloud, no tracking. Works with no signal, and exports to JSON whenever you want a backup.
OFFLINE · NO ACCOUNT · EXPORT JSONA single lightweight page that adds to your home screen like a native app. No store, no sign-up — open it and start logging.
PWA · ADD TO HOME SCREENSize-driven phases advance on their own as a plant grows; the flowering-gated ones — Adult, Titan — you confirm when it actually blooms. Every genus carries its own ladder and species list, and you can edit them in Settings.
Yes. Cactilog is free to use, made by San Pedro Island for the growing community. If you like it, donations are welcome — never required.
No accounts, no sign-up. Nothing you log ever leaves your device — there's no server to send it to.
Completely. Install it to your home screen and it opens and runs with no signal — perfect for the greenhouse or the field.
It's stored in your browser on this device. That means it's private — but also that clearing site data or losing the device loses it. Use Export JSON regularly; it's your backup and it moves your whole collection to a new phone.
It ships tuned for Trichocereus & Lophophora, but families, species and phases are all editable — bend it to your collection.
Open the app, then “Add to Home Screen” on iOS Safari, or “Install app” on Android Chrome. It behaves like a native app from then on.
Load the sample collection to explore, or start fresh with your first plant. No account, nothing to lose.
Open Cactilog →