Pioneer Women's Memorial Garden (Adelaide) surrounded by green lawns, and four garden beds with ornamental trees and shrubs at the edges. Cornish's choice of plants was influenced by their symbolic meanings, selecting five "Populus nigra "Italica"" (Lombardy poplars) to represent the five women of the Pioneer Women’s Memorial Trust; "Quercus ilex" (holly oak) and "Myrtus communis" (myrtle) for protection and love; "Lonicera" (honeysuckle) for love, generosity and devotion; and "Syringa vulgaris" (lilac) to symbolize memory, protection, youth and tenderness. Here the designer carefully selected plants for their metaphorical meanings. Original plans for the garden included the use of a 'floral clock', that would represent the
Bartram's Garden facade between 1758–1770. The house still stands, as does his original garden (circa 1728) and greenhouse (1760). Three generations of the Bartram family continued the garden as the premier collection of North American plant species in the world. The current collection contains a wide variety of native and exotic species of herbaceous and woody plants. Most were listed in the Bartrams' 1783 broadside "Catalogue of American Trees, Shrubs and Herbacious Plants" and subsequent editions. The garden also contains three notable trees: Bartram's Garden is the oldest surviving botanic garden in the United States. John Bartram (1699–1777), the well-known early American