Tree Fraxinus pennsylvanica 'Marshall’s Seedless' [Marshall's Seedless Green Ash] This cultivar is marketed as seedless, but there have nonetheless been many females in the population with heavy fruit set. This tree is quite adaptable and fast growing, but also has weak branch angles. An unattractive ash flower gall (formed by mites) can develop on male flowers and persists into winter. Emerald Ash Borer is severely affecting all species of this genus. Damage can be prevented with the appropriate pesticide, but the treatment cost will…
Tree Fraxinus pennsylvanica 'Patmore' [Patmore Green Ash] 'Patmore' is a vigorous male, seedless tree and is considered to be superior to many Green Ash cultivars, including 'Marshall's Seedles'. An unattractive ash flower gall (formed by mites) can develop on male flowers and persists into winter. 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 pennsylvanica [sold as Urbanite®] [Urbanite Green Ash] The Urbanite Green Ash is a broad, seedless tree with bark that seems to have some resistance to sun scald. The foliage is lustrous and leathery, turning a rich bronze in the fall. An unattractive ash flower gall (formed by mites) can develop on male flowers and persists into winter. 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…
Tree Fraxinus pennsylvanica 'Summit' [Summit Green Ash] 'Summit' is a vigorous, seedless male cultivar with a strong central leader. It has excellent golden fall color, but tends to drop its leaves early in the fall. An unattractive ash flower gall (formed by mites) can develop on male flowers and persists into winter. 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 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 Fraxinus sp. [Ash] Fraxinus (Ash) is a genus of about 65 species of deciduous trees native to the northern hemisphere, including North America, Europe, and Asia. Until recently, plants of this genus had been very popular for use in the landscape, and commercially, as timber trees, given their very hard wood. Unfortunately, this genus is now being severely affected the Emerald Ash Borer (EAB). Damage can be prevented with the appropriate pesticide, but the treatment cost will eventually…
Shrub Ligustrum amurense [Amur Privet] Performs well as an informal hedge, but perhaps too coarse to be a good formal clipped hedge. Extremely tolerant of different soils and climates. Can be coppiced to rejuvenate. Can be invasive by seed.
Shrub InvasiveThis plant is considered invasive Ligustrum obtusifolium [Border Privet] Performs well as an informal hedge, but perhaps too coarse to be a good formal clipped hedge. Extremely tolerant of different soils and climates. Can be coppiced to rejuvenate. Can be invasive by seed.
Shrub InvasiveThis plant is considered invasive Ligustrum obtusifolium var. regelianum [Regelianum Border Privet] Ligustrum obtusifolium var. regelianum adds an interesting textural effect to the landscape with its horizontally arranged branches and distichously arranged (in one, flat plane) leaves. An excellent plant used as an informal hedge, but perhaps too coarse to be a good formal clipped hedge. Extremely tolerant of different soils and climates. Can be coppiced to rejuvenate. Can be invasive by seed.
Shrub Ligustrum 'Vicaryi' [Golden Privet] Cross between L. ovalifolium 'Aureum' and L. vulgare. Vase-shaped habit and the leaves are golden yellow for the entire growing season.