Tip: Plant Egyptian walking onions & mark your calendar for Lewiston GardenFest

by Connie Oswald Stofko Carol Ann Harlos will give a talk on herbs at the 10th annual Lewiston GardenFest, which will be held 10 a.m. to 5 p.m. Saturday and Sunday, June 20 and 21, on Center Street in Lewiston. I asked her to share one tip as a preview. “Plant Egyptian walking onions,” Harlos said without hesitation. Why? “Because they walk through your garden!” she said. The plants get bulbils or bulblets at the top of the stem, the…