Bonsai Tools
Care Calendar
Pick a species and a hemisphere, get the pruning, feeding and repotting windows month by month. Export it as a care sheet you can print.
Open tool →Pot Size Calculator
Turn tree height, trunk caliper and style into pot dimensions and substrate volume, plus an honest read on whether that depth will actually drain.
Open tool →Why these exist
Both tools run on the data behind the app itself, not on generic rules of thumb copied around the internet. They work without an account, and nothing you type into them is stored.
Bonsai Pilot tracks all of this for you automatically. Start tracking your bonsai care for free →