Guides

Problems

Yellow leaves, small tubers, and common growing setbacks.

Use visible symptoms and growing conditions to narrow likely causes before changing care or treating for pests and disease.

Start with this guide

Why Are My Potato Plants Turning Yellow?

Yellow leaves can mean water stress, nutrient issues, natural dieback, or disease — how to tell which.

All problems guides

Why Are My Potatoes So Small?
Crowding, hot soil, drought, late planting, or harvesting too early can keep tubers small — fixes that help.
6 min read

Continue through the parts of the growing season most closely connected to this topic.