Trees and shrubs can have many different forms, for example many conifers are conical, pyramidal, or powerfully vertical. Some are prostrate and spreading. To some degree these are scented and everyone is familiar with the scent of pine, but it is only if you rub or brush against the tree, which can be a prickly experience! Weeping trees have a very attractive romantic form and scented varieties include weeping Cercidiphyllum (Katsura Tree) Pendulum, which is quite spectacular. It has thrilling color in the fall and is scented like caramel. Also the weeping Silver Lime is an attractive choice for scented gardening. A shrub that looks like a small tree is Buddleja Alternifolia, and it has lovely flowers with the scent of honey in early summer.

Trees can affect the character of a garden and all gardens, however small, should have at least one. They make such a strong outline against the background and the sky. A number of conifers have scented needles, such as juniper and cypresses. Some of them have slender columnar forms which are used in gardening to create a formal or contemporary feel. The more spreading, horizontal conifers like Cedar of Lebanon, (scented of blackcurrant in summer weather), Blue Atlas Cedar or Scots Pine, create a less formal look for a gardening design, but still have a distinct aura of grandeur about them.

Primarily we tend to choose trees and shrubs as gardening subjects because they fit architecturally into a given space. Scent is often the last criterion we would use to select a large feature such as this. Trees and shrubs are such significant gardening features that eventual size and the shade cast may be of more importance than scent. Shade is desirable to some degree, but if trees and shrubs are so big and planted on the southern side of a garden they may cast everything into gloom! Scented blossoms may be considered a bonus in gardening terms once the other considerations have been met.

For low, formal hedging you really can