By Subject of Literary Work - Trees
- Ancient Autumn
- Animula
- April Inventory
- The Ash
- Ballad of an Old Cypress
- The Baron in the Trees
- Bearded Oaks
- Birches
- The Black Walnut Tree
- The Blood of Roses
- Brokedown Palace
- But so as by Fire
- The Cherry Orchard
- Dead Gallop
- Don Goyo
- The Door in the Wall
- Dust of Snow
- Elm
- Emperor of the Air
- Fern Hill
- Fir Trees
- Garden
- The Grass Harp
- Gravelly Run
- Hampshire Days
- The Horseshoe Finder
- The Human Abstract
- I Saw in Louisiana a Live-Oak Growing
- The Impalpabilities
- In the Blue Distance
- The Lemon Trees
- The Lyric Poetry of Lowell
- Memory
- Michael
- Night
- Nocturne
- Now Sleeps the Crimson Petal
- Nutting
- Orchard
- Oread
- Our Ancestors
- Out in the Open
- Pitch Pines
- Planting a Cedar
- Poem Without a Hero
- Poems, 1968-1998
- The Second Tree from the Corner
- The Signature of All Things
- The Silmarillion
- A Smell of Cordwood
