Free Bonsai Tools
Interactive calculators and guides to help you care for your trees. No signup required.
Watering Schedule Calculator
Get a personalized watering schedule based on your species, pot size, soil type, and climate.
Bonsai Species Identifier
Answer a few questions about your tree's leaves, bark, and growth to identify the species.
Pot Size Calculator
Find the right pot dimensions for your tree based on trunk diameter, style, and species.
Pruning & Care Calendar
See exactly when to prune, wire, repot, and fertilize based on your species and hardiness zone.
Sunlight Requirements Guide
Find out how much light your bonsai needs and whether it can thrive in your space.
Bonsai Health Checker
Diagnose common problems — yellow leaves, dropping foliage, pests, root rot — with actionable fixes.