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Most produce goes bad before its time — not because of bad luck, but because of bad storage. This lesson covers the three zones every kitchen needs, which fruits and vegetables belong where, and the single most common mistake that speeds up spoilage faster than anything else.

Ethylene is a natural gas that fruits and vegetables produce as they ripen — and it travels to everything around them. This lesson explains what ethylene is, which produce items produce it, which ones are devastated by it, and how you can use it strategically to your advantage.

Eating seasonally means buying and eating produce at the time of year when it naturally grows in your region. This lesson covers what that means in practice, why seasonal produce tastes better and costs less, and how to make seasonal choices whether you shop at a grocery store or a farmers market.

The average American household wastes nearly a third of the food it buys — and most of that waste happens in the produce aisle. This lesson gives you practical, immediately actionable strategies to waste less, save money, and feel better about what's in your kitchen.

Knowing how to evaluate produce quality — from receiving dock to sales floor — is a foundational professional skill. This lesson covers USDA grading basics, visual indicators of quality and deterioration, the difference between cosmetic defects and food safety concerns, and how to communicate quality issues to customers.