Over the years, numerous memorials have been developed in the Arboretum, and several plant collections memorialize individuals. The following are some memorials, and a nearby plant.
1) Camellia japonica ‘Oridono-nishiki’ Foxworthy Benches
- This memorial, composed of three benches in memory of Mary Hughes Foxworthy, was installed in 1961 along the trail traversing Rhododendron Glen above the Lookout Gazebo.
- There are thousands of cultivars of Camellia japonica in cultivation, with many different colors and forms of flowers. This cultivar originated in the Hyôgo Prefecture in Japan. The same tree can bear white-striped with red, solid red or red-striped with white.
2) Cephalotaxus harringtonii var. drupacea Marston Bench
- This bench, dedicated to the memory of Daniel J. Marston, is located on the north side of Yew Hill.
- This shrub is native to Japan and central China where it is a component of both broad-leaved (angiosperm) forest and coniferous forest, or mixed forest, occurring in the understory.
3) Cornus florida ssp. urbiniana Sawyer’s Bench
- This memorial fountain, dedicated to the late Mrs. W.W. Sawyer, is located along Arboretum Drive East opposite Rhododendron Glen. It was dedicated on February 21, 1961.
- This subspecies of flowering dogwood is found in the mountains of Nuevo Leon and Veracruz in eastern Mexico. It differs from the more common form found in the eastern North America by having bracts that hold together at their tips, forming a lantern-like structure.
4) Pinus peuce Preston Memorial
- The Isabel McCormick Preston Memorial is a stone and wood-seating bench located above the Lower Trail above Pine Hillside and overlooking Azalea Way.
- This pine is native to the mountains of North Macedonia, Bulgaria, Albania, Montenegro, Kosovo, the southwest of Serbia, and the north of Greece.
5) Taxus brevifolia Milburn Memorial
- The Millburn Memorial, a stone-seating area, was constructed in the 1940s in honor of Anna T. Milburn, past president of the Seattle Garden Club.
- Taxus brevifolia is native to the Pacific Northwest of North America. It ranges from southernmost Alaska south to central California, mostly in the Pacific Coast ranges.