It releases nitrogen, which heats the roll and starts killing the grass as soon as 12 hours after the grass is harvested. In colder spring and fall weather, you may have three to five days to unwind your lawn before damage occurs. During the cold months, grass can stay rolled for much longer, I have seen 5-7 day old rolls that survived very well in cold climates. The lawn should be installed as soon as possible after receiving it.
Once the grass is harvested, it starts to break down. The speed at which this occurs is determined by the temperature of the air. The grass ordered in winter will last up to a week on the pallet, but if you install it in the hot summer, it will only last 24 hours or less. Watering the lawn while it's still on the platform won't help.
The heat of decay is what will cause the grass to spoil, not the lack of moisture. Lawn should take root in five to 15 days in summer and 20 to 30 days in winter. Technically, mown grass will last about 36 hours in summer and about 72 hours in winter. How long will grass last on a pallet? On a hot day, freshly mown green grass will begin to yellow very quickly on the pallet due to the heat.
After the first day, it will turn pale yellow and turn more intense yellow or brown the longer it stays on the pallet. In the hottest summer months, grass should not be left on the pallet for 2 days. In colder climates, grass will last longer. Removing organic debris, tilling the soil, and adding water and fertilizer helps the lawn grow quickly, but good lawn care practices are of no use if the lawn dies before installation.
Instructions for watering new grass vary depending on the type of lawn, the time of year the lawn is installed, and whether it is planted in the sun or shade. Crews have to mark all the watering heads, strip the area with lawn mowers, and take away all the old grass. On hot days, if the lawn is heating up and starting to break down, unroll it immediately and apply water to release the heat.
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