[willowman]

I obviously didn't lift all last years crop of potatoes because some have re-grown on the old plot, which I'd not had time to clear properly.
Will the new crop be alright to eat? I just remember reading a while ago that you should only eat pots grown from seed potatoes.

[amberleaf]

We have had plots which have been neglected for a year, spuds were planted and never harvested and when new people took them over, they reported digging up loads of perfect potatoes which lasted them for weeks.

These spuds must have been from old ones regrowing.

[Space_Cowby]

I certainly hope they will be ok as I have a load of 'left overs' growing really well.

[slowcompost]

Last year nearly everyone had blight in the potatos. This stays in the ones in the ground then spreads again from the foliage when they grow.
Therefore if your neighbours get blight this year they'll be blaming you.
I religiously try to cut the tops of regrow potatos as soon as i see them.

[amberleaf]

I will get hammered for this one.

Blight is always around the spores are in the ground and if the weather conditions (damp and humid) exist then the spores get into the air and every one might get it.  

If we do, we can do what I did last year and dump the lot into the compost bin and use the compost to plant, as I did this year, all my early spuds.

Just dug up the lot and guess what, perfect spuds. Except for the ones a few slugs chewed.

[gobs]

Last year nearly everyone had blight in the potatos. This stays in the ones in the ground then spreads again from the foliage when they grow.
Therefore if your neighbours get blight this year they'll be blaming you.
I religiously try to cut the tops of regrow potatos as soon as i see them.

It is really important to be as meticulous about potato and other related plant disposal as possible.

[Yorkie]

I thought you weren't supposed to put potato top growth into the compost bin, especially where blight has been a problem, otherwise you run the risk of a vicious circle of spores?

[amberleaf]

It is all over rated.

Last year every plot on our site got blight because of the wet.

It was not possible to dig anything up it was all too squishy.

We have grown this year and the results are perfect potatoes everywhere.

If the humid conditions had been the same then I think we would have had blight again but it has been darn near to a desert for weeks.

Being a doubting thomas I only grew a few earlies , just in case. Had the last of them for dinner. BOOTIFUL

[gobs]

I thought you weren't supposed to put potato top growth into the compost bin, especially where blight has been a problem, otherwise you run the risk of a vicious circle of spores?

Yes, spores over-winter on diseased foliage, etc., can even become potent from seemingly healthy tubers next season, hence certified seed business.