AI Plant Hub is a free, no-signup collection of houseplant-care tools and evidence-based plant guides. Includes a watering schedule generator (RHS 2025 baselines + evapotranspiration), AI plant identifier comparison (PictureThis, Plantum, PlantNet, Google Lens scored on 234 real photos), light requirement matcher by window orientation, plus 10 detailed houseplant care guides: Fiddle Leaf, Monstera, Pothos, ZZ, Snake, Peace Lily, Philodendron, Rubber, Spider, Orchid. Each guide covers water/light/soil/humidity/common issues/toxicity/propagation with sources cited (RHS, AoB Plants, AVMA). Solo Sydney indie project.