summer-plants-in-tree-pit New-York-City-Tree-wells-in-summer tree-wells-wth-summer-plants annuals and perennials in tree wells Seasonal plantings in tree pits Timberlite low maintenance cover around trees and in tree wells late fall plantings Tulips Winter noble firs with skimmia Rocks Before Street Tree Plantings tree wells Tree beds winter kale and cyclamen fall plantings Rocks and Trees