Troubleshooting Hub
Every common houseplant problem has a specific cause — and the right fix depends entirely on getting the diagnosis right. These guides work from symptom to cause to treatment, with the biology explained along the way.
All Problems
Jump to a symptom
A biology-first guide to diagnosing yellow leaves — overwatering, light, nutrients, pests, and natural ageing, with a plant-by-plant reference for the most common houseplants.
Observable symptoms
Brown, crispy leaf tips are one of the most common houseplant complaints. This guide covers every cause — from fluoride sensitivity to low humidity to inconsistent watering — and how to diagnose which one you're dealing with.
Observable symptoms
Drooping is the most confusing houseplant symptom because the same visual sign — wilting leaves, a collapsing plant — has completely opposite causes that require opposite fixes. This guide shows you how to tell them apart.
Observable symptoms
Root rot kills more houseplants than anything else — and it's almost always invisible until it's advanced. This guide covers the biology, how to diagnose it before it's too late, and exactly how to treat and prevent it.
Observable symptoms
Long, weak stems with wide gaps between leaves — leggy growth — is a plant's urgent architectural response to insufficient light. This guide explains the biology, how to reverse it, and how to prevent it.
Observable symptoms
Spider mites, mealybugs, fungus gnats, scale, and thrips — the five most common houseplant pests, how to identify each, why they appear, and the most effective treatments.
Observable symptoms
Not finding what you need?
More guides are being added regularly. The full set of technique guides — on watering, potting mix, pruning, repotting, and more — is available in Myrtle Guides.
Looking for the contemplative side?
Each troubleshooting topic has a Mist companion — a meditation on what the plant's struggle can teach us about our own.