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The expert may select plants from Chapter XVII and in many in-stances produce an effect equally as attractive as that producedby plants in this group. The possibilities of failure, however, aremuch greater, and the subsequent necessity of pruning to retain ap-proximate forms is much greater. We speak of heavy formality as a contrasting term to plants whichare loose. Compact may be a better word. It is often necessary todevelop border plantations surrounding lawns filled with a feeling offormality, because of numerous axial lines, and also to surround orborder definite formal garden areas with trees and shrubs. To besuccessful these masses of plants must lend themselves to this formaleffect. They must be such as can be kept within definite limits withthe normal amount of pruning. The European hornbeam, the redcedar, pyramidal arborvitae, and tartarian honeysuckle are excellentillustrations of this type of material. A so-called formal effect in aborder planting is not necessarily produced by the use of trees. Itmay be equally well produced by shrubs depending upon the scaleof the landscape setting. It is not necessary either to resort tothe use of evergreens, although there are certain types of architecturaldetails beside which deciduous plantings appear "weak." Climaticconditions being favourable for a normal growth of the type of material |
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