PORTNEUF VALLEY TREE GUIDE - City of Pocatello

Corktree, AmurPhellodendron amurenseZ 3-8Mature size: 35’h x 35’wGrowth rate: mediumAvailability: requestExcellent, picturesque tree for thisarea. Boldly branched, spreading.Corky, gray-brown bark. Darkgreen leaves turn yellow in fall.Yellow-green flower clusters fromMay into June. Females producecopious, messy pea-sized blackfruit that animals love. Fruitlessmale cultivars are ‘His Majesty’,‘Macho’, ‘RNI 4551’. Tolerant ofurban conditions and poor, dry,alkaline soils. Plant in large openspaces that can accommodatethe low, wide branches.© Michael Kuhns28Elm, LacebarkUlmus parvifoliaZ 5-9Mature size: 40’h x 40’wGrowth rate: fast to mediumAvailability: requestA superior shade and street tree.Highly resistant to Dutch elmdisease and elm leaf beetle.Upright, spreading crown anduniform branching. Dark greenleaves may turn yellow to deepred in fall. Exfoliating multicolorbark. Very adaptable to soil andclimate extremes. Seedlings ofthe species vary in size, so choosecultivars. ‘Frontier’ has good fallcolor and no fruit.Where to see: 1552 S. 4th; ISUEngineering Complex at S. 2nd.© Karan A Rawlins© DaderotMedium Deciduous Trees