Why Is My Plant Dying? Diagnose It in 60 Seconds.

The free Healthy Houseplant Handbook walks you through the most common houseplant problems — yellow leaves, watering mistakes, bad light, and pests — and exactly how to fix each one.

• A 60-second symptom checker to find what's actually wrong

• How to fix over- and under-watering (and decode those yellow leaves)

• How to get your plant into the right light — without the guesswork

• How to spot and stop thrips and fungus gnats early

• The rescue protocol for a plant that looks past saving