A thick, healthy hedge is one of the most valuable features in a garden. It provides privacy, shelter from wind, a home for wildlife, and a beautiful natural boundary that will improve over the years.
While it takes patience to grow a hedge from scratch, starting correctly makes all the difference. With the right plants, preparation, and ongoing care, you can grow a thick, healthy hedge that will look amazing for decades.
Choosing the right hedge plants
The first step in growing a thick, healthy hedge is selecting plants suited to your garden and local conditions. In the UK, popular evergreen choices include laurel, yew, and privet, which offer year-round screening. Deciduous hedges, such as hawthorn and beech, are also widely used, providing attractive changes throughout the seasons while still forming effective barriers.
Consider soil type, sunlight, and exposure to wind before buying your hedge plants. Native plants are particularly well suited to UK climates and support local wildlife. Buying bare-root plants in autumn or winter is often the most affordable option and helps plants establish strong root systems early.
Preparing the ground properly
Good preparation is essential for growing strong, even hedges. Clear the planting area of weeds and grass, then dig a trench wide and deep enough to allow roots to spread comfortably. Improving the soil with compost or organic matter will boost drainage, giving young hedge plants the best possible start.
Before planting, soak bare-root plants in water for a few hours. This helps prevent root stress and encourages quicker establishment once they’re in the ground.
Planting for density
Correct spacing is key to growing a thick, healthy hedge. Plants set too far apart will take longer to fill out, while overcrowding can lead to weak growth. Most hedges benefit from spacing of around 30-45cm between plants, depending on the species.
For faster results, consider planting in a staggered double row. This creates a fuller hedge quickly and improves overall structure. Once planted, firm the soil gently around the roots and water thoroughly.
Watering and feeding in the early stages
New hedges need consistent watering, especially during their first two growing seasons. In dry spells, deep watering encourages roots to grow downwards, making the hedge more resilient in the long term.
Feeding hedges with a balanced fertiliser in spring supports healthy leaf growth. Applying mulch around the base helps retain moisture, suppress weeds, and improve soil quality over time.
Pruning to encourage thickness
Regular pruning is one of the most important steps in creating a dense hedge. Light trimming in the first year encourages side shoots, helping plants bush out rather than grow tall and thin. In the UK, most hedges benefit from trimming in late spring and again in late summer.
Shaping the hedge so it is slightly wider at the base than the top allows sunlight to reach lower branches, preventing gaps as it matures.
Growing a hedge from scratch is a long-term investment, but the results are worth the wait. With careful plant choice, proper planting, and consistent care, your hedge will become thicker and healthier each year.
At Tree & Lawn Company, we offer a wide range of landscaping services and can help you care for your hedges, giving them the best possible chance of being thick and healthy. Contact us today to find out more.