Holden vehicles, in addition to nameplate, are designated by a series code. For example, the 1971â1974 Holden Kingswood has been assigned the series code  HQ , and the 2002â2004 Holden Commodore,  VY . Often these series codes are not arbitrary.In the case of the VY above, the V stands for the GM V platform that underpins it.he VY series of Holdens were not restricted to the Commodore; VY Berlina and Calais cars were also marketed.
Water the grass seed for 5 to 10 minutes immediately after seeding. Set the sprinkler timer to water the grass seed 5 to 10 minutes three times a day, beginning before sunrise and ending in midafternoon. Continue this cycle for one week to 10 days or until seeds sprout. Check for puddles, runoff and dry spots in the soil.
Fastest Cool-Season Grass. Perennial ryegrass seed germinates in seven to 10 days, compared to 10 to 14 days for tall fescue seed and 14 to 21 days for Kentucky bluegrass seed. Perennial ryegrass is one of the cool-season grasses to grow to **obtain a thick lawn turf** **quickly**.*Select a grass seed suitable for your [grass climate zone](http://www.greatdayimprovements.com/when-to-plant-grass-seed-in-your-state.aspx)**, or else your new grass may be fast-growing but fleeting. In the United States, grasses are assigned [U.S.