all spud day in my back yard II: storage

i checked on the storage project this morning...the early blue tubers are rock solid and dormant seemingly...not so the yema de huevos...some are softening and sprouting despite my best efforts and the english lavender...when i got the original three ( yep...lots of little spuds from three potatoes ) they were sprouting in the box from sturgeon's bay and i planted them directly upon receipt, frost danger and all ( and they were frost bitten, but recovered very well )...has anyone done indoor winter potatoes under a grow light? that may be the only alternative i have...we'll see...the olalla and roja narion plants are still flowering and showing no signs of being done yet...they hail form more southerly latitudes and i am wondering if some sort of day length issue stalled them and that now that autumn is nearing they are happier and moving again...there may be frost cloth involved before this is over...if that's what it takes...more as it ( literaly ) comes up.