Plant Information Annuals Perennials Shrubs Trees Shade Flowering Evergreen Fruit Ornamental Roses Potatoes, Onions, Etc. Herbs Berries & Grapes	PURPLE ROBE LOCUST Robinia Flowers are dark purple hanging in clusters similar to wisteria Shape is upright and open. Very drought tolerant, in fact dislikes regular watering Ht. 40' 25' spread. Zone 3	Search Plant Info Flowering Trees This is a partial list, click here for a complete list of  Flowering Trees Prunus campulata x incisa "Okame Flowering Cherry" Prunus cerasifera "Blireiana Flowering Plum" Prunus cerasifera "Krauter Vesuvius Flowering Plum" Prunus cerasifera "Newport Flowering Plum" Prunus cerasifera "Thundercloud Flowering Plum" Prunus serrulata "Amanagowa Flowering Cherry " Prunus serrulata "Kwanzan Flowering Cherry" Prunus serrulata "Mt Fuji Flowering Cherry" Prunus serrulata "Shirofugen Flowering Cherry" Prunus serrulata "Shogetsu Flowering Cherry" Prunus subhirtella pendula "Double Pink Flowering Cherry" Prunus subhirtella pendula "Snow Fountain Weeping Flowering Cherry" Prunus subhirtella twisted graft "Twisted Weeping Flowering Cherry" Pyrus calleryana "Bradford Flowering Pear" Pyrus calleryana "Burgundy Snow " Pyrus calleryana "Chanticleer Flowering Pear" Robinia "Purple Robe Locust" Stewartia Pseudocamellia "Japanese Stewartia" Styrax japonica "Pink Chimes Snowdrop Tree" Styrax obassia "Fragrant Snowbell" Syringa reticulata "Ivory Silk Japanses Tree Lilac" This is a partial list, click here for a complete list of  Flowering Trees