INDICATOR SHRUBS

  ZONE    INDICATOR SHRUB
    9a    Cryptomeria japonica 'Elegans'        Plume cryptomeria
          Laurus nobilis                        Sweet bay, laurel
          Pieris forrestii                      Chinese pieris

    8     Aucuba japonica                       Japanese aucuba
          Pernettya mucronata                   Chilean pernettya
          Viburnum tinus                        Laurestinus

    7     Buxus sempervirens                    English box
          Huypericum hookerianum 'Hidcote'
          Prunus laurocerasus                   Cherry-laurel

    6     Acer palmatum                         Japanese maple
          Deutzia gracilis                      Slender deutzia
          Forsythia X intermedia 'Spectabilis'  Showy forsythia

    5     Cotinus coggygria                     Smokebush
          Forsythia ovata                       Early forsythia
          Viburnum carlesii                     Fragrant viburnum

    4     Hydrangea paniculata 'Grandiflora'    Peegee hydrangea
          Philadelphus 'Bouquet Blanc'          Bouquet Blanc mock-orange
          Taxus cuspidata                       Japanese yew

    3     Euonymus alata                        Winged spindletree
          Rhus typhina                          Staghorn sumac
          Spiraea X arguta                      Garland spirea

    2     Caragana arborescens                  Siberian peashrub
          Cornus alba 'Sibirica'                Siberian dogwood
          Cotoneaster integerrima               European cotoneaster

    1     Amelanchier alnifolia                 Saskatoon
          Cotoneaster lucida                    Hedge cotoneaster
          Pinus mugo mughus                     Mugo pine