The Best Flowers For Sunny Window Boxes

Having a sunny window box is one of the best things that you can do for your home. It will allow you to enjoy a great view while adding a little bit of color to your home. Here are some of the best flowers for your windows that will ensure you get the most out of your outdoor space.


Petunias are an excellent choice for a splash of color in your window boxes. They are easy to grow and have a long-lasting effect.

They have a wide variety of colors, including yellow, pink, and purple. They also attract hummingbirds. They can be used as ground covers or planted in a container. They also provide shade from the sun.

The best time to plant petunias is in early spring. This is when the threat of frost has passed. They will continue to grow and bloom throughout the summer months.

You should always water your petunias at the base. You can do this once every week. If you live in an area where the climate is hot, you may need to water more frequently.


Adding geraniums to your window boxes is an easy way to add a bright pop of color. These drought-tolerant plants have long-lasting flowers that are low-growing and come in an array of colors. They are also great companions for other flowering plants.

These perennials can be planted outdoors in the spring and fall. You will need to give them protection from frost during the winter.

They are also very easy to grow. You can plant them in the ground or a container. They do best in neutral, alkaline soil. They are hardy in zones 3-9. They need six hours of sun daily and are tolerant of dry conditions. They are also deer-resistant.


Tulips are the quintessential spring flower. Their colors and shapes differ by variety. You can use them in pots or window boxes. They are straightforward to care for. They should be watered regularly and are an excellent addition to rock gardens.

If you aren’t sure which plants to plant in your window box, try one of these perennials. Begonia, geranium and ivy geranium are excellent choices. They come in different colors and are easy to grow.

Hydrangeas can also create an impressive window box look. These flowers can be used as the base of the box, or you can mix them with simple green foliage. If you live in a colder climate, you can protect them from freezing by putting them in a window box.


Coleus is a popular accent plant for window boxes. It is a perennial that thrives in both sun and shade. The flowers are small, and the foliage is colorful and textured. It is easy to grow, and it can fill a large space with leaves.

You can purchase coleus seeds from a seedstarting system. They should be planted in well-drained soil. This is important because they are thirsty plants. They will also need fertilizer.

You should use water-soluble fertilizer to feed your coleus. You should also prune back your plant to maintain its shape. You can also leave some of the flower heads on the plant.

Mexican Fleabane

Mexican Fleabane is a groundcover plant that produces daisy-like flowers in shades of white. It is hardy, drought-tolerant, and native to Mexico. It grows well in rock gardens, cottage gardens, and other dry gardens.

Mexican Fleabane is an excellent choice for window boxes. It is long-lived, disease-free, and self-seed. Depending on the climate, it can survive in the United States from USDA zone 5 to 7. It is a great plant for wildlife attractions, as well as drab landscapes.

Because Mexican Fleabane is a perennial, you can keep it growing year after year. The flowers are prolific, and they bloom for months. They form a cloud of colorful flowers, which cascade over walls and pathways.


When choosing the best flowers for sunny window boxes, you’ll want to select a combination that provides color and fragrance, as well as a variety of textures and heights. You’ll want to keep a close eye on growing conditions.

A great option for sunny windows is Senorita Rosalita(r). This thornless plant adds height and architectural interest to large containers and garden beds. The plant’s stems are upright and dark green. It’s also highly heat-tolerant and attracts pollinators.

For a more delicate look, try trailing begonias, ivy, center, and euphorbia. These types of plants are ideal for cascading effects, and can also protect your flowers from mud splatters.

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