A plant’s ability to survive winter cold in a climate zone is referred to as plant hardiness.

• A. A plant's drought tolerance
• B. A plant's flowering time
• C. A plant's pest resistance
• D. A plant's ability to survive winter cold in a climate zone

Answer: (D)

Plant hardiness is about a plant’s ability to survive winter cold in a given climate zone. This statement captures that exact idea, making it the correct choice. Drought tolerance concerns how a plant handles dry conditions, flowering time refers to when a plant blooms, and pest resistance deals with defenses against insects or diseases. Hardiness ratings, such as USDA zones, help gardeners choose plants that can endure the local winter temperatures.