You still chit them at the same time and the experts say they are planted at
the same time, the only difference is the length of time fo maturity. In
practice the lates are usually planted later but as long as you can cover
against late frosts they should be ok

Sarah Dale wrote:
: Hi All,
:
: Having been very impressed with my first ever potatoe crop in my first
: year of kitchen gardening last year, I've bought myself some proper
: seed potatoes (last year I grew Supermarket specials as a total
: experiment).
:
: I know I have to chit the seed potatoes, and then plant them. But, as
: I've got 2nd earlies (sante) and maincrop (Golden Wonder thanks to the
: husband), I'm wondering if I need to chit them at different times, and
: plant them at different times? I'm planning to chit the potatoes in my
: unheated conservatory.
:
: I'm in extreme N. Wales, about 3 miles off the Dee, with a heavy
: stoney-ish soil with clay sub-soil. I'd welcome advice on when to
: chit and plant. Last year I planted at Easter - but easter is nearly
: a month later this year! Plus I'm not sure thats best for the earlies.
:
: Any advice gratefully welcomed.
:
: TIA, Sarah