Tree InvasiveThis plant is considered invasive Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available Pyrus calleryana 'Bradford' [Bradford Callery Pear] The cultivar 'Bradford' was exceedingly popular in the recent past, becoming overused because of its beautiful white flower show and outstanding scarlet to purple fall color. However, it is now advised not to use this short-lived cultivar, as it has very weak wood and tight branch angles and is quite prone to serious breakage. Forms narrow crotch angles that can result in a larger tree literally splitting in two. Flowers are malodorous and often killed… Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available
Tree Indiana Native Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available Quercus alba [White Oak] One of the most majestic trees at maturity with a picturesque framework, but requires many years to reach maturity. Long-lived, the kind of tree to use where it can be appreciated by succeeding generations. Slow growth eliminates it as a tree for quick effect. Roots are highly sensitive to disturbance, even foot traffic. Almost impossible to transplant from the wild. Often difficult to find in nurseries due to slow growth and recalcitrance to propagation by… Indiana NativeAudio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available
Tree Indiana Native Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available Quercus coccinea [Scarlet Oak] Excellent scarlet fall foliage, comparable if not often better than the Pin Oak. Does not suffer iron chlorosis as bad as Pin Oak, being more tolerant of alkaline soils. Some report difficulty in transplanting. Indiana NativeAudio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available
Tree Audio Recording AvailablePurdue Plant Doctor Available Quercus × 'Crimschmidt' [sold as Crimson Spire™] [Crimson Spire Oak] The Crimson Spire Oak is notable for its powdery mildew resistance and reddish fall color that it gained from its White Oak parent, in addition to the dense, strong, vertical, columnar form, and tolerance to drought and urban conditions gained from its Fastigiate English Oak parent. Audio Recording AvailablePurdue Plant Doctor Available
Tree Indiana Native Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available Quercus ellipsoidalis [Northern Pin Oak] Quercus ellipsoidalis is very closely related to Q. palustris (Pin Oak), but is better suited for the Midwest. Very similar to the Pin Oak, the Northern Pin Oak is a handsome tree with distinctive and regular branching, spreading to horizontal to drooping, from top to bottom of the tree. This effect is partly lost when lower limbs must be removed for traffic underneath. While this species is still prone to chlorosis (yellowing of leaves) in… Indiana NativeAudio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available
Tree Indiana Native Audio Recording AvailablePurdue Plant Doctor Available Quercus falcata [Southern Red Oak] Generally hardy only to zone 6, this oak is native to the southeastern United States, including the southern tip of Indiana, but can sometimes be grown in colder climates. This tree gained its specific epithet name, "falcata", from the sickle-like weapon of the same name, in reference to the sickle-shaped lobes of the leaves. Root disturbance is known to affect this species severely and can lead to decline or death. Indiana NativeAudio Recording AvailablePurdue Plant Doctor Available
Tree Indiana Native Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available Quercus imbricaria [Shingle Oak] Somewhat tolerant of city conditions. Can be pruned into a hedge. Leaves persist into winter after the normal leaf-raking period and then fall. Oak gall is susceptible, but it is a minor problem. Unlike its relatives, the shingle oak's leaves do not feature any lobes and have a complete margin. Indiana NativeAudio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available
Tree Purdue Plant Doctor Available Quercus macrocarpa 'JFS-KW3' [sold as Urban Pinnacle® Oak] [Urban Pinnacle Bur Oak] 'JFS-KW3' is a cultivar with smaller acorns that other bur oaks. It has glossy foliage that turns yellow in the fall and has disease resistance to both powdery mildew and anthracnose. Purdue Plant Doctor Available
Tree Indiana Native Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available Quercus marilandica [Blackjack Oak] The Blackjack Oak is a small to medium sized tree with distinct, stout, irregular branches. It is very tolerant of poor, dry conditions, but does not tolerate wet conditions. This oak's common name is in reference to its dark, blackjack-like leaves. Indiana NativeAudio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available
Tree Indiana Native Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available Quercus montana [Chestnut Oak] Naturally grows in rocky places and poor, dry sites. Dislikes poor drainage. Bark has the highest tannin content of any Quercus species. Indiana NativeAudio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available
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![Quercus × 'Crimschmidt' [sold as Crimson Spire™]](https://www.arboretum.purdue.edu/explorer/wp-content/uploads/sites/2/2023/01/NAME-540-150x150.jpg)
![Quercus macrocarpa 'JFS-KW3' [sold as Urban Pinnacle® Oak]](https://www.arboretum.purdue.edu/explorer/wp-content/uploads/sites/2/2023/01/NAME-21821-Summer-Habit-2-150x150.jpg)
