The answer to 'when to flower bed' is that the best time to prepare and plant a flower bed is in the spring or fall. In the spring, you can plant annuals and perennials after the last frost has passed, typically in April or May. In the fall, you can plant bulbs, perennials, and some annuals for blooms the following year. The specific timing will depend on your local climate and growing zone.
When preparing a new flower bed, it's important to choose a location that gets the right amount of sunlight for the plants you want to grow. Most flowering plants need at least 6 hours of direct sunlight per day. You'll also want to amend the soil with compost or other organic matter to improve drainage and nutrient content. Once the bed is prepared, you can plant your flowers, taking care to space them properly and water them regularly until they become established.