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.
Leyland cypress requires full sun to grow well, and when planted in shade, rapidly thins and sheds lower branches. Failure to realize how very tall the plants become (60 to 70 feet tall) leads to trees being planted in improper places, such as under overhead utility lines where a shorter screen would be quite adequate.hey provided homeowners with a very rapidly growing screen and served to fill the gap in the choice of screening plants left when red-tip photinias began to suffer from severe leaf spot disease problems. Japanese Cryptomeria, one of the alternatives to Leyland cypress. Karen Russ, Â©2007 HGIC, Clemson Extension.