Shrub/Tree Frangula alnus [Glossy Buckthorn] Rhamnus frangula is very weedy (invasive in some areas) and adaptable, and generally has an unattractive, leggy habit. Birds love the fruits and spread the seeds. This species is not recommended for use in the landscape.
Tree Indiana Native Fraxinus americana [White Ash] Not as adaptable as Green Ash but has better esthetics. Heavy crops of seeds on female trees cause litter, and these germinate freely making the tree slightly weedy. An unattractive ash flower gall (caused by mites) can develop on male flowers and persist into winter. Subject to storm damage, so plant in areas that shelter the tree from strong winds. Emerald Ash Borer is severely affecting all species of this genus. Damage can be prevented…
Tree Fraxinus americana 'Autumn Applause' [Autumn Applause White Ash] The Autumn Applause Ash has a dense and rounded form with excellent maroon fall color. Heavy crops of seeds on female trees cause litter, and these germinate freely making the tree slightly weedy. An unattractive ash flower gall (caused by mites) can develop on male flowers and persist into winter. Subject to storm damage, so plant in areas that shelter the tree from strong winds. Emerald Ash Borer is severely affecting all species of this…
Tree Fraxinus americana 'Empire' [Empire White Ash] 'Empire' is a narrow, upright tree with handsome fall foliage. Fruits can be a litter problem. An unattractive ash flower gall (caused by mites) can develop on male flowers and persist into winter. Subject to storm damage, so plant in areas that shelter the tree from strong winds. Emerald Ash Borer is severely affecting all species of this genus. Damage can be prevented with the appropriate pesticide, but the treatment cost will eventually exceed replacement…
Tree Fraxinus americana 'Junginger' [sold as Autumn Purple®] [Autumn Purple White Ash] The Autumn Purple White Ash is a popular variant due to its attractive glossy foliage and purple-red fall color. It is a male clone and does not produce any fruit litter. An unattractive ash flower gall (caused by mites) can develop on male flowers and persist into winter. Subject to storm damage, so plant in areas that shelter the tree from strong winds. Emerald Ash Borer is severely affecting all species of this genus. Damage…
Tree Fraxinus americana 'Rosehill' [Rosehill White Ash] 'Rosehill' is a seedless cultivar that is very tolerant of poor soil conditions, including alkaline. Subject to storm damage, so plant in areas that shelter the tree from strong winds. Emerald Ash Borer is severely affecting all species of this genus. Damage can be prevented with the appropriate pesticide, but the treatment cost will eventually exceed replacement cost.
Tree Fraxinus americana 'Tures' [sold as Windy City™] [Windy City White Ash] 'Windy City' is an upright tree with an oval habit and strong branching. This hardy cultivar is also resistant to frost-cracking and has semi-glossy foliage with a handsome, rich fall color. Heavy crops of seeds on female trees cause litter, and these germinate freely making the tree slightly weedy. An unattractive ash flower gall (caused by mites) can develop on male flowers and persist into winter. Emerald Ash Borer is severely affecting all species of…
Tree Indiana Native Fraxinus quadrangulata [Blue Ash] The Blue Ash earned its common name from the blue dye made by early Americans from the inner bark, which contains a substance that turns blue with exposure to air. This tree is naturally found upland in dry, rocky limestone areas and is very drought tolerant. As with all ashes, Fraxinus quadrangulata is extremely susceptible to the Emerald Ash Borer. Damage from this pest can be prevented with the soil drench method imidacloprid, but the…
Tree Ginkgo biloba [Ginkgo] The Ginkgo is a long-lived deciduous conifer and gymnosperm. It is frequently termed a "living fossil," as it is the only surviving member of a group of ancient plants with fossils dating back to 270 million years ago. This plant is dioecious, and the so-called fruits (which are actually naked seeds with a soft seed coat) are borne on female trees, are green or tan-orange, and have an offensive odor when ripe and decaying. Fruits…
Tree Ginkgo biloba 'Autumn Gold' [Autumn Gold Ginkgo] The Ginkgo is a long-lived deciduous conifer and gymnosperm. It is frequently termed a "living fossil," as it is the only surviving member of a group of ancient plants with fossils dating back to 270 million years ago. 'Autumn Gold' is an all male, and therefore, fruitless cultivar that has outstanding golden yellow foliage in the fall. Picturesque, open branches.
