Most grass seed I'm familiar with has a viability around 85% – meaning that if you. over time, but seeds that are stored in a cool, dry place should last a long time.. the sum of relative humidity and temperature, and keep the seed under 100.
The seed should not be stored in an unheated shed, garage or any other place where the temperature will drop below 32 F. Keep bags of grass seed off the floor
Too much or too little, when watering new grass seed, can kill your lawn before it starts. Learn to adjust. The simple word is to keep it moist all the time. That can prove. This is how long it will take to actually see the grass growing. Until this .