When a group of words. containing a subject and verb acts as an adverb, it is called an adverbial phrase. Prepositional phrases frequently have adverbial functions (telling place and time, modifying the verb): 1  He went. . 2  She works. . 3  They lived in Canada. .
It depends on the growing conditions but under good conditions, your Leylandii should thicken out to form a good screen in about 2 years when planted at 2ft (60cm) apart and 3 years when planted at 3ft (90cm) apart.Planting them well is extremely important to get good growth.arger Leylandii plants will establish and grow away quickly if they are planted properly. Leylandii have been selected over the years to establish well from larger plants. If you want a quicker screen, then plant larger specimens as this will save time.
It will grow in a windy site so can provide an excellent shelter belt. Leylandii can be trimmed to a hedge of any size (we've kept one at 4ft/120cm tall for 25 years). As a specimen tree it ha s an elegant, columnar form with dense foliage.A well-kept Leylandii hedge is a living wall that can: 1  Improve privacy.t will grow in a windy site so can provide an excellent shelter belt. Leylandii can be trimmed to a hedge of any size (we've kept one at 4ft/120cm tall for 25 years). As a specimen tree it ha s an elegant, columnar form with dense foliage. A well-kept Leylandii hedge is a living wall that can: 1  Improve privacy.