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.
Planting time. Leeks require 120 to 170 days to come to harvest and grow best where the temperature ranges from 45Â° to 85Â°F. Leeks are usually grown from transplants. Sow leek seeds indoors in early spring; set seedlings in the garden 4 to 6 weeks before the last average frost date when they are about 3 inches tall.eeks require 170 days from sowing and 80 days from transplanting to reach harvest. Leeks are ready for harvest when stems reach 1 to 2 inches in diameter and leaves are 6 to 8 inches tall.