Residents can stop asking what Homewood Public Works puts in the village’s hanging baskets and flower pots to create the stunning foliage throughout the community: It’s pixie dust. Jim Tresouthick checks a new delivery of trees earlier this year. Tresouthick recently was named Forestry Professional of the Year by the Chicago Region Trees Initiative. (Chronicle file photo) Seriously, “It’s really an intensive maintenance thing. I can’t really say to go to so-and-so store, buy so-and-so . . .