There is an old park in the free English landscape style, historic rose garden, rose garden and modern roses, South Norwegian rose garden, millenniumgarden, conifers collection (arboretum), shrubs and trees at the museum's parking lot (lignoses), perennials, rock garden, pond with water plants, heather garden and a collection of Rhododendron.
A variety of perennials and trees were added, including a Malus apple tree directly descended from the tree that inspired Sir Isaac Newton's theory of gravitation.
The garden is divided into two major areas: a geometrical Rosarium, and a landscaped garden with alpine garden, Jura Mountains collection, lily pond, shade area, medicinal herb garden, heathers, succulents, and expansive perennials plantings.
Buddleja davidii 'Queen's Robe' is a little-known American cultivar raised by Bluestone Perennials Inc., Madison, Ohio, though no longer listed by the company.
"Sarah's Garden", the Victorian cut flower garden, with original heirloom roses and perennials began restoration in 2001 and is near completion.
Ehrendorferia Lidén (2 species of erect robust herbaceous perennials with yellow or cream erect flowers, Western N America)
The landscaping includes more than 20 new trees, including goldenrains, honey locusts and hollies; 1,100 shrubs; perennials; and ornamental grasses such as winter hazel, hydrangea, blue star, and striped ribbon grass.
Approximately meter-deep supports emergent herbaceous perennials, typically in dense, monospecific stands; species include bulrush (Typha latifolia), pickerelweed (Pontederia cordata), American lotus (Nelumbo lutea).
The arboretum contains hundreds of species of trees, shrubs, and flowers arranged in 19 collections (40 acres) as follows: Butterfly Garden, Children's Garden, Columnar Trees, Conifers, Dwarf Garden, Flowering Trees, Founders Grove, Herbs, Hostas, Large Deciduous Trees, Medium Deciduous Trees, Nut Trees, Perennials, Shade Garden, Shrubs, Trees under Utility Wires, Wetland Trees, Windbreak, and Winter Interest.
In 1856, he published The Flower Garden, a book about the cultivation of ornamental plants such as perennials, annuals, shrubs and evergreen trees.
The floral succession approximates to that of a coastal dune system, without the wind-blown deposition, so salt-tolerant plants are replaced by an attractive sward of legumes and perennials before turning to birch/willow scrub woodland.
Rare perennials include the Siskiyou fireweed (Epilobium siskiyouense), and several types of lousewort (Pedicularis).
Tired of losing gigs to the Perennials, Artie Shaw, playing himself, comes to woo Ellen away to be his booking manager.