Zone 5 refers to a specific area in the USDA Plant Hardiness Zone Map, which helps gardeners and farmers determine which plants are most likely to thrive in their local climate. In Zone 5, the average annual minimum temperature ranges from -10°F to -20°F (-23°C to -29°C). This zone typically experiences a growing season of about 140 to 160 days. Gardening in Zone 5 allows for a variety of plants, including many perennials, shrubs, and trees. Popular choices include hostas, daylilies, and maple trees. Understanding the climate conditions of Zone 5 can help gardeners select appropriate plants for successful growth.