Generally, ground cover plants are planted at the front of borders creating a carpet that leads up to the path or lawn, with medium plants behind and larger shrubs and plants at the back. Evergreen shrubs provide permanent structure in the garden and all-year-round interest. With a growth cycle that runs like clockwork, year after year, these perennials burst into flower in the warmer months, die back over winter, and perform the same amazing ritual again with each passing year. Designing year-round gardens ensures that your home is surrounded by color and interest through all four seasons. 14. Year-Round Garden Planner. Gardening expert Joanna Cruddas suggests bulbs and colour combinations for your pots and borders. Advice on planting year-round lush, thriving, colourful herbaceous perennial flower borders. Plant nasturtiums around the base of fruit trees to help repel insects. October is the time to get planting! 14. Year-Round Garden Planner. Creating colour in your garden and home through the winter months takes planning. Green, non-woody, flowering perennials include lily of the nile, hummingbird mint and yellow-flowered garlic. Autumn is the ideal time to plant a border ready for the following year. The upright, narrow habit of this cultivar of our native arborvitae fits the bill as the vertical accent that many containers need. Grasslike plants make an excellent texture statement. Discover plants that look good all year. So, let's take it a bit further and see what can be done to give a full shrub border that has interest throughout the year. A perennial is a plant that survives for over a year, but may die back to ground level after the growing season ready to spring back up next year. The colour and texture will then supply the finish. Shrubs: smaller for year round interest Shrubs form the framework of the garden and if selected carefully, can provide interest throughout the year. Designer Andy Sturgeon recommends his top 15 plants for year-round interest. Plant spires of foxglove, a dwarf ornamental tree, or a shrub for height. Plants that offer interest across the seasons are invaluable in gardens great and small. Designing year-round gardens ensures that your home is surrounded by color and interest through all four seasons. I plant plenty of nasturtiums every year. Plants which live for more than two consecutive growing seasons are known as perennials. I love a small bouquet of the blooms, and the spicy foliage is great in salads and cream cheese dip. Focus on shapes to add interest to garden borders. Focus on form.