Zone 5A is a moderate northern zone with reliable conditions for most vegetables. With an average last spring frost around Apr 25 and first fall frost around Oct 8, you have approximately 166 frost-free days per year. Use the planting dates below to plan your garden around these key frost windows. For a personalized forecast based on your specific zip code, use our free planting calendar. Browse individual plant guides for detailed growing instructions, or explore how USDA zones work to better understand your growing conditions.