Tree Audio Recording AvailablePurdue Plant Doctor Available Acer buergerianum [Trident Maple] Needs training to develop single central leader (if that is desired). Popular street tree in Japan. Cold hardiness varies in seed produced stock. In some cases, fruit set is so high as to deplete foliage. Flaking bicolor bark in gray-brown and orange. Audio Recording AvailablePurdue Plant Doctor Available
Tree Audio Recording AvailablePurdue Plant Doctor Available Acer campestre [Hedge Maple] Transplants easily. Pruning may be needed to limb up branches to create a shade or patio tree. Tolerates severe pruning and soil compaction. Can be pruned to become a giant hedge. Audio Recording AvailablePurdue Plant Doctor Available
Tree Audio Recording AvailablePurdue Plant Doctor Available Acer griseum [Paperbark Maple] Slow growth (6-12" per year) is compensated for by longevity and freedom from maintenance. The cinnamon-brown, curly bark is outstanding. Habit is open enough to display bark interest year-round. Audio Recording AvailablePurdue Plant Doctor Available
Tree Audio Recording AvailablePurdue Plant Doctor Available Acer miyabei [Miyabe Maple] Attractive bark is grayish with long, vertical scales and fissures in maturity. Some difficulty in both vegetative and seed propagation. Audio Recording AvailablePurdue Plant Doctor Available
Tree Audio Recording AvailablePurdue Plant Doctor Available Acer miyabei 'Morton' [sold as State Street™] [State Street Miyabe Maple] This selection has handsome corky bark with an oval form and attractive ascending branches. Acer miyabei 'Morton' is sometimes known as an alternative to Acer campestre, as it is more vigorous and cold hardy. Audio Recording AvailablePurdue Plant Doctor Available
Tree Audio Recording AvailablePurdue Plant Doctor Available Acer palmatum [Japanese Maple] A refined but striking specimen in its several forms, differing in color, texture, and habit, but all graceful. Newly expanded foliage may be damaged by sun and wind. Plant where it will receive some protection from the elements, especially winter elements. Can leaf out early and be killed back by a late freeze. Prefers some shade and good moisture. Audio Recording AvailablePurdue Plant Doctor Available
Tree Purdue Plant Doctor Available Acer palmatum 'Summer Gold' [Summer Gold Japanese Maple] Purdue Plant Doctor Available
Tree InvasiveThis plant is considered invasive Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available Ailanthus altissima [Tree of Heaven] Unusual form and texture not unlike a large sumac. Highly adaptable. Tolerates salt spray. Dioecious. Coarse and inclined to drop twigs. Male flowers are malodorous; female plants make many weed seedlings. Ailanthus altissima forms dense, clonal thickets which displace native species and can rapidly invade fields, meadows, and harvested forests. This invasive tree species is extremely tolerant of poor soil conditions and can even grow in cement cracks. Ailanthus altissima is not shade tolerant, but… Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available
Tree InvasiveThis plant is considered invasive ID That Tree Video AvailablePurdue Plant Doctor Available Alnus glutinosa [Black Alder] During establishment growth is fast but upon blooming of abundant flowering and fruiting growth rate slows. Will average 24" to 30" per year. ID That Tree Video AvailablePurdue Plant Doctor Available
Liana (Climbing Vine) InvasiveThis plant is considered invasive Audio Recording AvailablePurdue Plant Doctor Available Ampelopsis glandulosa var. heterophylla [Porcelain Ampelopsis] Best fruiting in full sun. Restricting root growth can enhance fruit production. Japanese beetles love them. Can be invasive. Rampant growth. Audio Recording AvailablePurdue Plant Doctor Available