PORTNEUF VALLEY TREE GUIDE - City of Pocatello

Hackberry, CommonCeltis occidentalisZ 4-7Mature size: 50’h x 40’wGrowth rate: medium to fastAvailability: readilyTough; should be planted heremore often. A bit hard to establishbut tolerates low temperaturesand wind. Pyramidal in youth butdevelops a broad arching crownwith ascending branches. Corkyridged gray bark and sweetorange-red, pea-sized fruits. Lightto medium green leaves can becovered with nipple gall; witchesbrooms may develop.Where to see: ISU SE of Holt Arena;south side ISU Quad by PharmacyBldg.; 356 S. 8th.Honeylocust, ThornlessGleditsia triacanthos var. inermis© Michael Kuhns© Michael Kuhns40Z 4-9Mature size: 30–60’h x 30–50’wGrowth rate: fastAvailability: readilyA hardy, finely textured tree thatlets sunlight filter through. Goodyellow fall color but leaves dropearly. Flat brown seedpods canbe messy, but are rare on seedlessvarieties. Drought resistant andtolerates diverse soil conditions;diseases and insects can beproblems. Cultivars ‘Majestic’,‘Moraine’,‘Shademaster’,‘Imperial’, and ‘Skyline’ aresuperior to thorny species.Where to see: Common in town;208 S. 19th; ISU Biology Bldg.© Tom DeGomezLarge Deciduous Trees