Why Laying Turf In The Autumn Can Lead To Serious Lawn Problems Later
While laying turf in the autumn is possible in Mediterranean and other mild winter climates, the temptation to do so should be resisted. It is far better to sow a temporary lawn for the winter instead.
By Jonathan Yaakobi
http://www.greenthumbarticles.com/article/Why-Laying-Turf-In-The-Autumn-Can-Lead-To-Serious-Lawn-Problems-Later-a1091.html

Grow A Healthy Lawn.
There are 1500 different grass species grow in the United States and about forty of them are cultivated for lawns. If you have a tree in your lawn, it may be casting too much shade to allow your grass seed to grow properly.
By ena clewes
http://www.greenthumbarticles.com/article/Grow-A-Healthy-Lawn--a239.html