On Aug 3, 11:43 am, wrote:
On Aug 3, 10:29 am, Jim wrote:





gooner wrote:

[....]

(I followed the recommended application rate for the seed - and even
went a bit over)

the process of seed germination in and of itself produces
heat. when two or more seeds are touching one another during
the germination the heat is usually sufficient to kill both
seeds and therefore produce nothing.

recommended application rates are the result of years of
testing done by people who are knowledgeable, skilled,
willing to follow instruction and patient enough not to
skew the results by interfering with the process.

This is the first time I've ever heard this heat thing and I'd like to
see a reference. I would think that natural heat from the sun would
be orders of magnitude more heat than what two tiny seeds could
generate. Plus, if the surface is constantly wet, figure out how much
heat it takes to warm water and tell me how seeds are going to do
that.

But as far as heat problems, the heat from the sun could be exactly
the problem the OP has, if he's seeded cool season grass in mid-
summer. Early Fall is by far the optimum time, followed by Spring.-

Indeed yes; summer is the highest stress time for grass, worse than
winter. If you live in the North, you want to give your lawn the
maximum time to get rooted before summer, by seeding it in fall when
things are relatively moist again; if you live in the south, you can
get away with seeding in early spring.

Me, I'm stocking up on closeout bags of grassseed and use their
germination to heat the house this winter.