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I need to do an extensive reseed of my 'lawn' and the time is coming. Lawn is ca 12m x 5m and is shady due to trees and bushes down both sides.
I'm out later mowing and then raking the lawn hard with a metal rake to get as much thatch out as possible, but the trial area I did already shows it's pretty bare. Then plan to
Anyway - I've been reading about reseeding at ca 20gsm, or more like 25-30gsm for a new lawn, so I'm going to need to reseed with about 1.5-2kg of seed.
Questions.....
I've read about chitting the seed to get it to germinate faster. I have space to put out a tarp in a shady area - would premixing that 2kg of seed into 20kg of topsoil make any difference? At worst i guess if it isn't starting to shoot in supposedly 5-7d then I've only lost that time and £15 of seed and can go back to using just seed again.
Second is using germination sheets - do they make any great difference? And worth buying proper groundsma stuff, or scaffolder debris netting at 1/4 the price?
Our grass was seeded into compost, germinated and grew in situ. Once it gets going put down some iron sulphate, greens it up, strengthens roots, discourages weeds, and is dirt cheap.
Remove all thatch, scarify add Top dressing with fresh topsoil and seed. My gardener did this and it worked a treat. Needs regular attention though. Btw my gardener has a VERY famous lawn he maintains. Mine is not it.
Greenfingers basically do the same for more money.

You have a Latino gardener?
Hire a scarifier, you need to get as much dead put and expose the soil for the seed. Double the required amount of seed and cover thinly with sieved topsoil. Once it germinated be prepared to water if there's no rain. Alternatively rip it all up and returf.
The lawn was on the left 🤣
anyone use germination sheets - any thoughts?
Germination sheets -cricket clubs use them all the time. Certainly speeds up germination/early growth which means the weekly repairs look pretty quickly.