Clethra Alnifolia Latin name Clethra alnifolia French name Clèthre à Feuille d'Aulne English name Sweetpepper Bush, Summersweet Clethra. Carriage Bulky and upright shrub, with oval and irregular carriage. Foliage Dense green foliage in summer turning yellow orange in fall. Flowering White scented flowers, produced in racemes, from July until Septembre. Fruit Fruits out of brown capsules, attracting certain birds. Growth Slow growth. Use Is appropriate for shaded places and in acid ground. Height 1.2 meters Width 2 meters Exposure Sun, semi-shade, shade. Zone 4 Clethra Alnifolia Pink Spire Latin name Clethra alnifolia Pink Spire French name Clèthre à Fleches Rose English name Pink Spire Sweetpepper Bush Carriage Shrub with upright branches. Foliage Green and dense foliage all summer. Pale yellow foliage in fall. Flowering Pale pink scented flowers, produced in racemes in August. Growth Slow growth. Use Is appropriate for all flower beds in acid ground. Interesting for its flowering. Height 1 meter Width 1 meter Exposure Sun, semi-shade, shade. Zone 4 Clethra Alnifolia Ruby Spice Latin name Clethra Alnifolia Ruby Spice French name Clèthre Rouge Épicé English name Ruby Spice Sweetpepper Bush Carriage Shrub with upright and oval carriage. Foliage Green Flowering Deep pink scented flowers in August. Growth Slow growth. Use Is appropriate for all flower beds in acid ground. Height 1 meter Width 1 meter Exposure Sun, semi-shade, shade. Zone 4