Below are listed some easy to grow window box plants. They are colorful, hardy and fragrant. Give them a try and let us know how it works out for you.
This low growing succulent like annual, stands up to the heat and bright light. It's long lasting lovely flowers, which open in the morning and close in the afternoon, are shaped like tiny roses. They come in single hues, including bright and pastel shades, as well as color mixes. These are great for terracotta or black clay pots that are mono-tone in color and can use a splash of color. Water moderately and allow the soil to dry out between watering. Blooms appear in late spring through late fall.
JOHNNY-JUMP-UP (Viola tricolor)
This herbaceous perennial puts out miniature pansylike blooms in a purple, yellow and white combination. A profuse self-seeder it is ideal for bringing color into your planters in winter and spring. We advise planting these in a glazed, polyresin or high fired piece of pottery. That way it can hold up to the harsh elements of winter without breaking down. Try to place the planter in sun or partial shade and use rich soil. Remove spend blooms to prolong flowering.
Also know as pot marigold, this annual has aromatic leaves and produces daisylike leaves and flowers in bright shades of yellow and orange. It is self seeding and make a long lasting cut flower. When you fill a window box planter with just this type of flower it offers striking color and grows in a mass of blooms. This is a garden favorite and can be planted in any type of planter.
APTENIA RED APPLE (Aptenia cordifolia)
Often referred to as hearts and flowers, this hardy succulent with heart shaped leaves blooms from spring through fall in colors ranging from bright red to pinkish purple. This baby is hardy and can be propagated from cuttings that usually take root in about 3 weeks. Outside a kitchen window is stunning. It adds bursts of color that will decorate your window box from the inside & outside.