Rustyme probabaly knows better than me, as i've only done this once before!!
But i've grown some in container sacks, and when the leaves pop through, i've just covered them completely - a few days later they've popped through again, so more compost gets heaped on. the sack is now full and they've come through no problem
the ones i'm doin in my beds, i kinda tried something new in them!!
I dug troughs through my raised beds, and planted the spuds at the bottom of the trough, the plants have come through ok - and now i'ts just a case of gradually covering them over - filling the trough. Once they get leve with the trough, i'll continue to earth up - but i'm hoping that this way i'll not have to try a precarious balancing act and i'll get a better crop out of them
Also, as a complete bonus, looks like i dodn't completely dig out all of last years spuds as i've got 3 new spud plants popping out where i'm growing my beetroot this year.
I've planted far too much beetroot this year, so i don't mind losing soem for an extra bag of spuds!
My van is going in to get it's MOT in a few weeks. the guy has a huge mountain of old tyres in his yard, i'm gonna pick up a few dozen from him and plant some more spuds in the tyre stacks - and just run the tyre stacks down the back of the greenhouses and in other wee nooks that are otherwise unused