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 has soft foliage produced in broad, grayish-green sprays on slender branches. The tree's narrow, columnar growth habit makes it a good choice for dense planting in rows as privacy screens, windbreaks and hedges.The tree grows about 60 feet tall and thrives in moist soil in full sun.Leyland cypress recovers quickly from pruning and is appropriate for U.S. Department of Agriculture plant hardiness zones 6 through 10.eep Leyland cypress trees healthy to minimize the damage from these insects. Knock the insects off the tree with a hard spray from the garden hose, if practical. Some commercially available predatory insects such as lady beetles and parasitic wasps may help reduce infestation.