The Plant Journal

Expert advice for urban gardeners. Learn to listen to your plants.

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Yellow Leaves on Plants — Causes and Solutions
Article
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Apr 24, 2026

Yellow Leaves on Plants — Causes and Solutions

Why are your plant leaves turning yellow? In 70% of cases the culprit is overwatering. Learn to diagnose and treat yellow leaves with this step-by-step guide.

How to Water Indoor Plants in Winter
Article
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Apr 24, 2026

How to Water Indoor Plants in Winter

In winter, most houseplants need 2 to 3 times less water than in summer. Here is the complete guide to adjusting your watering routine for the cold season.

Brown Spots on Plant Leaves — Causes and Treatment
Article
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Apr 24, 2026

Brown Spots on Plant Leaves — Causes and Treatment

Brown spots on your plant's leaves can have several causes: overwatering, underwatering, fungal disease, or sunburn. Learn to identify and treat each type.

Fungus Gnats in Plant Soil — Causes and Solutions
Article
🇬🇧
Apr 24, 2026

Fungus Gnats in Plant Soil — Causes and Solutions

Tiny black flies hovering around your houseplants? Those are fungus gnats. Here is how to identify them, understand why they appeared, and eliminate them completely.

How Verdier AI Plant Diagnosis Works
Article
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Apr 24, 2026

How Verdier AI Plant Diagnosis Works

Upload a photo of your plant and get a complete care protocol in under 10 seconds. Here is exactly how Verdier's AI diagnostic engine works, step by step.