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Diseases

Diagnose and treat diseases, pests and deficiencies in your indoor plants.

Houseplant leaf covered with a white powdery coating of powdery mildew
Diseases

Powdery Mildew on Houseplants: Causes and Remedies

A white powdery coating on your leaves? That's powdery mildew. Learn to recognise it, understand its causes and treat it naturally at home.

Fallen leaves at the base of an indoor plant
Diseases

Leaves Falling Off: Diagnosis and Solutions

Your plant is dropping leaves? Follow our diagnostic tree: shock, watering, drafts, light, pests — with the right fix for each cause.

Close-up of fine spider mite webbing under a leaf stippled with yellow dots
Diseases

Spider Mites: Natural Prevention and Treatment

Spot and eliminate spider mites (Tetranychus urticae) on houseplants. Showering, Castile soap, neem oil and humidity-based prevention that actually works.

Indoor plant leaf with pale brown sunburn patches near a sunny window
Diseases

Leaf Sunburn and Scorch: How to Spot, Prevent and Fix It

Pale brown patches, bleached leaves near the window? Learn to recognize leaf sunburn, tell it apart from other problems, and how to prevent and fix it.

Indoor plant near a bright window during a hot summer day
Diseases

Heatwave: Protecting Your Houseplants from Extreme Heat

Heatwave and houseplants: spot heat stress, adapt watering, manage humidity and shading to get your indoor plants through extreme heat without damage.

Black fungus gnats flying above the moist substrate of an indoor plant
Diseases

Fungus Gnats: How to Eliminate Them Permanently

Complete guide to getting rid of fungus gnats (sciarids): natural methods, traps, organic treatments and lasting prevention.

Indoor plant out of its pot, partially blackened rotten roots laid on newspaper
Diseases

Root Rot: Saving an Overwatered Houseplant

Diagnose root rot and save an overwatered plant: signs, root pruning, emergency repotting and lasting prevention.

Close-up of white mealybugs on a plant stem
Diseases

Mealybugs and Scale Insects: Identify and Eliminate These Stubborn Pests

Complete guide to recognising and treating mealybugs and scale insects on indoor plants. Natural methods, alcohol, Castile soap and prevention.

Close-up of a plant leaf damaged by thrips
Diseases

Thrips: How to Get Rid of Them Effectively

Complete guide to identifying and eliminating thrips on your plants. Natural, chemical and preventive methods.

Yellow leaf of an indoor plant in close-up
Diseases

Yellow Leaves on Indoor Plants: 9 Causes and Solutions (Complete Diagnosis)

Yellow leaves on your plants? Diagnose the 9 most common causes: overwatering, light, deficiencies, pests — with step-by-step solutions.