With a simple pair of shears and a compassion for saving trees and bushes others thought were simply in the way, the man who has been Concannon’s chief groundskeeper and vineyard pruner for 30 years, has turned this vineyard estate into a fanciful display of greenery. Meet Ernesto Hernandez, one of 10 siblings whose parents raised them on a big, bountiful farm in Michoacán, Mexico.