If you're looking for a versatile and colorful option for your main window box, look no further than petunias. These popular annual flowers come in a wide variety of colors and patterns, making them a perfect choice for adding a pop of color to your outdoor space. They are also easy to care for and can thrive in both sun and partial shade, making them a great option for any location.1. Petunias
No list of main window box flowers would be complete without mentioning geraniums. These classic flowers are known for their bright, showy blooms and can add a touch of elegance to any window box. They are also relatively low maintenance and can withstand both heat and drought, making them a great choice for busy gardeners.2. Geraniums
If you want to add a splash of color to your main window box during the cooler months, consider planting some pansies. These hardy annuals come in a variety of colors and can even withstand light frosts. They are also easy to care for and can thrive in both sun and partial shade, making them a versatile choice for any window box.3. Pansies
If you have a shady main window box, impatiens are a great option to consider. These flowers come in a range of colors and can add a vibrant touch to any shaded area. They are also relatively low maintenance and can tolerate a variety of soil conditions, making them a popular choice for window box gardeners.4. Impatiens
For a delicate and dainty addition to your main window box, look no further than lobelia. These trailing annuals come in shades of blue, purple, and white and can add a soft touch to your window box. They are also easy to care for and can thrive in both sun and partial shade, making them a versatile option for any location.5. Lobelia
If you want to attract butterflies and bees to your main window box, consider planting some alyssum. These tiny, fragrant flowers come in shades of white, pink, and purple and can add a sweet touch to your outdoor space. They are also low maintenance and can tolerate a variety of growing conditions, making them a great choice for beginner gardeners.6. Alyssum
Add some height and drama to your main window box with snapdragons. These stunning flowers come in a range of colors and can add a bold touch to your outdoor space. They are also relatively low maintenance and can thrive in both sun and partial shade, making them a popular choice for window box gardens.7. Snapdragons
For a burst of sunshine in your main window box, plant some marigolds. These bright flowers come in shades of orange, yellow, and red and can add a cheerful touch to your outdoor space. They are also relatively easy to care for and can tolerate a range of temperatures, making them a great option for any location.8. Marigolds
For a touch of elegance and sophistication in your main window box, consider planting some begonias. These versatile flowers come in a variety of colors and can add a touch of refinement to your outdoor space. They are also relatively low maintenance and can thrive in both sun and partial shade, making them a popular choice for window box gardeners.9. Begonias
Last but certainly not least on our list of top main window box flowers is dianthus. These fragrant flowers come in shades of pink, red, and white and can add a romantic touch to your outdoor space. They are also relatively easy to care for and can tolerate a range of growing conditions, making them a great choice for any window box. No matter which flowers you choose for your main window box, be sure to choose a variety that suits your location and personal style. With a little bit of care and attention, your window box can become a stunning focal point of your outdoor space.10. Dianthus