Holly, a winter balcony plant with shiny green leaves and red berries, provides materials for Christmas wreaths and garlands, survives cold, and berries persist into late winter.
Winter heathers
Winter heathers, small, easy to grow, and long-flowering, are perfect for balconies in cold weather. They bloom in white, purple, and pink colors, enduring wind and rain.
Skimmia japonica
Skimmia japonica 'Rubella' is a glossy, trouble-free shrub suitable for beginners and shady balconies, with long-lasting red flower buds that bloom in spring.
Hellebores
Hellebores, a hardy evergreen perennial, thrives in Britain's freezing January snows, providing elegant flowers and dark green foliage for a brightening balcony this winter.
Heuchera
Heuchera, a winter foliage plant with interesting variegation, provides color and vibrant blooms, especially in 'Marmalade', a favorite with its bronze, peach, and pink foliage.