Why Your Basil Stops Growing at 4 Inches: The Root Problem You’ve Been Missing

Why Your Basil Stops Growing at 4 Inches: The Root Problem You've Been Missing

Your basil seedlings germinate perfectly, then mysteriously stop growing at 4 inches and refuse to budge for weeks. When one gardener finally pulled up a plant to investigate, the shallow, horizontal root system revealed the culprit: soil temperature was cold enough to trigger a survival response, not growth. Here’s what actually works.