Related Program: Northland Morning Tips for Hardy Gardeners with Tom Kasper - ready, (onion) set - GROW! By Lisa Johnson • Mar 21, 2017 Related Program: Northland Morning TweetShareGoogle+Email Credit Tom Kasper Those weird lights glowing at all hours in Tom Kasper's basement? Grow lights, trying to give his onion seedlings the 60-70 degrees and the 14 hours of daylight they need to grow into fine, big, grown-up onions. That's our story and we're sticking to it. Listen Listening... / 7:44 Tags: Tips for Hardy GardenersTom Kasperseedsstarting seedsonionsTomatoespeppersTweetShareGoogle+EmailView the discussion thread.