They will be very unhealthy with that little of sunlight in the UK , get a HPS or MH and you'll be fine.

Its not worth your time bro

Nova
69NovAss Reviewed by 69NovAss on . see what u think lol.... ok i orderded 10 northen lights seeds from the net and i have now planted 2 after successfully going throught germination... i live in london and da weather here is shit ...both of the seeds have grown and they both are now 2 inchs long ,with like 4 leafs on each plant...i dont know nothin about soil...transplating..p.h. level..or anything like dat...as for light ...i dont use any LOL..its jst on my window edge...how far do u think i could get with this addventure (not very far) ....but u guys Rating: 5