[gremlin]

Tried loo rolls last two years for sowing corn. Not a success because roots didn't seem to break through the cardboard very easily and I ended up with very stunted plants, but my plot neighbour had no trouble with his corn sown in 3" pots.   

[sunshineband]

I only used loo rolls innards for sweetpeas this year. Good germination, and roots got through the sides OK.

As they virtually fell apart when planting, I think all will be well.


In my experience they are not deep enough for parsnips or for sweetcorn either. I direct sown parsnips (waiting until the soil is warm enough) and sweetcorn in 9ins deep pots