Free Window Light Estimator
Pick your window direction to estimate the light level for plant choice.
Reading Your Windows
North gives soft, indirect light all day. East is gentle morning sun. West is strong afternoon sun. South is the brightest, often with direct sun. Match the plant to the window and you win half the battle.
More Free Plant Tools
Try another calculator or identifier — no sign-up needed.
🔍 Free Tool
Pest & Problem Identifier
Pick the symptoms you see and get the likely culprit plus a fix.
⚖️ Free Tool
Pot Weight Moisture Meter
Estimate how much water is left in the soil by comparing pot weights.
🌤️ Free Tool
Sun Acclimation Planner
Build a safe day-by-day ramp when moving a plant into brighter light.
📐 Free Tool
Grow Light PAR Estimator
Check the real light your plant gets from a grow light and set the right height.