Nicole Johnson shares this tip: “I have learned over the years to not be afraid to move plants around. If it is not working in a spot in your garden, move it. The plants are more resilient than you may think. Water at the base of your plants to prevent powdery mildew and rust spots.” Photo courtesy Nicole Johnson The season of garden walks will kick off this weekend with Lewiston GardenFest from 10 a.m. to 5 p.m. Saturday and…