DRAFT

 

Proposed changes to SALDO recommended tree list

 

Note: Non-native trees noted as “deletions” were removed due to either their demonstrated ability to invade native habitats where they can then compete aggressively with native species or their close genetic relationship with other alien species that are already known to be invasive.

Plantings when placement is within four (4) feet of curb, sidewalk or asphalt surface:

 

Retained from current list:

Acer rubrum – Red Maple (many cultivars).

Acer x freemanii ‘Armstrong’ – Armstrong Freeman Maple.

Carpinus caroliniana Tree Form – American Hornbeam.

Fraxinus pennsylvanica – Green Ash (Seedless cultivars only).

Gleditsia triacanthos – Honeylocust (thornless cultivars only).

 

Proposed additions:

Amelanchier arborea- Shadbush/Serviceberry

Amelanchier laevis- Shadbush/Serviceberry

Cercis canadensis- Eastern Redbud

Chionanthus virginicus –White Fringetree

Cornus florida – Flowering Dogwood

Halesia Carolina – Carolina Silverbell

Ostrya virginiana – Hop Hornbeam

Oxydendron arboretum – Sourwood

 

Deletions:

Acer campestre – Hedge Maple

Acer plantanoides ‘Erectum’ Erect Norway Maple

Prunus sargenti ‘Columnaris’ Tree Form – Columnar Sargent Cherry

Tilia cordata – Littleleaf Linden

Zelkova serrata – Japanese Zelkova

 

Plantings when placement is greater than four (4) feet from curb, sidewalk, or asphalt surface.

 

Retained:

Acer rubrum – Red Maple (many cultivars)

Acer saccharum – Sugar Maple (many cultivars).

Fraxinus Americana – White Ash (many cultivars).

Fraxinus pennsylvanica – Green Ash.

Platanus x acerifolia – London Plantree.

Quercus imbricaria – Shingle Oak.

Additions:

Betula lenta – Sweet Birch

Carya glabra – Pignut Hickory

Carya ovata – Shagbark Hickory

Carya tomentosa – Mockernut Hickory

Diospyros virginiana – Persimmon

Liquidamber styraciflua – Sweet Gum

Magnolia acuminate – Cucumber Magnolia

Nyssa silvatica – Black Gum

Quercus alba – Eastern White Oak

Quercus bicolor – Swamp White Oak

Quercus coccinea – Scarlet Oak

Quercus Montana – Chestnut Oak.

Quercus palustrs – Pin Oak

Quercus rubra – Northern Red Oak

Tilia Americana – Basswood

Ulmus Americana – American Elm (Dutch Elm resistant cultivars only)

 

Deletions:

Ginko biloba – Ginko

Quercus acutissima – Sawtooth Oak

 

 

SMALL TREES

 

Retained:

Amelanchier laevis tree form – Serviceberry (many cultivars)

Cercis Canadensis tree form – Eastern Redbud

Crataegus (many species) – Hawthorn (thornless only)

 

Additions:

Acer pennsylvanicum – Striped Maple/Moosewood.

Asima triloba – Pawpaw

Carpinus caroliniana – American Hornbeam

Cornus alternifolia – Pagoda Dogwood

Cornus florida – Flowering Dogwood

Franklinia alatamaha – Franklintree

Halesia carolina – Carolina Silverbell

Hamamelis virginiana – Witch Hazel

Magnolia virginiana – Sweetbay magnolia

Ostrya virginiana – Hop Hornbeam

Oxydendron arboretum – Sourwood

Ptela trifoliata – Hoptree

Prunus pennsylvanica – Pin Cherry

Salix discolor – Pussy Willow

Sassafrass albidum – Sassafrass

Sorbus americanum – Mountain Ash

Viburnum prunifulium – Black Haw

Deletions:

Acer buergeranum tree form – Trident Maple

Acer ginnala tree form – Amur Maple

Acer griseum tree form – Paperbark Maple

Acer tataricum tree form – Tatarian Maple

Carpinus betulus – European Hornbeam

Cornus kousa tree form – Kousa Dogwood

Magnolia x loebneri ‘Merrill’ – Merrill Magnolia

Malus ‘Centzam’ tree form – Centurion Crabapple

Malus ‘Hargozam’ tree form – Harvest Gold Crabapple

Malus ‘Snowdrift’ tree form – Snowdrift Crabapple

Malus ‘Spring Snow’ tree form – Springsnow Crabapple

Malus x zumi ‘Calocarpa’ tree form – Redbud Crabapple

Prunus serrulata tree form – Kwanzan Oriental cherry

Pyrus betulifolia – Birchleaf Pear

Syringa reticulate ‘Ivory Silk’ – Ivory Silk Japanese Tree Lilac

 

 

LARGE TREES

 

Retained:

Acer nigrum – Black Maple

Acer Saccharum – Sugar Maple

Betula nigra – River Birch

Liquidamber styraciflua – Sweetgum

Liriodendron tuliptree – Tuliptree

Magnolia acuminate – Cucumber Magnolia

Ostrya Virginia tree form – American Hophornbeam

Quercus macrocarpa – Bur Oak

Quercus palustris – Pin Oak

Quercus phellos – Willow Oak

Quercus rubra – Northern Red Oak

Tilia Americana – American Linden/Basswood

 

Additions:

 

Betula lenta – Sweet Birch

Carya glabra – Pignut Hickory

Carya ovata – Shagbark Hickory

Carya tomentosa – Mockernut Hickory

Diospyros virginiana – Persimmon

Gymnocladus dioicus – Kentucky Coffeetree

Nyssa silvatica – Black Gum

Quercus alba – Eastern White Oak

Quercus bicolor – Swamp White Oak

Quercus coccinea – Scarlet Oak

Quercus Montana – Chestnut Oak.

Quercus palustrs – Pin Oak

Quercus rubra – Northern Red Oak

Ulmus Americana – American Elm (Dutch Elm resistant cultivars only)

 

 

Deletions:

Aesculus hippocastanum ‘Baumannii’ Bauman Horse Chestnut.

Aesculus x carnea ‘Briotii” – Ruby Red Horse Chestnut

Tillia tomentosa – Silver Linden

 

 

EVERGREENS (4-5 FEET HIGH MINIMUM)

 

Retained:

Ilex Opaca – American Holly

Picea abies – White Spruce

Picea pungens – Colorado Spruce

Pinus strobus – White Pine

Pseudotsuga menziesli – Douglas Fir

 

Additions:

Juniperus virginiana – Eastern Red Cedar

Picea abies – Norway Spruce

Pinus Resinosa – Red Pine

Pinus rigida – Pitch Pine

Pinus virginiana – Virginia Pine

 

Deletions:

None

 

 

HEDGE (4FEET HIGH MINIMUM)

 

Retained:

Crataegus intricate – Thicket Hawthorn

Syringa chinensis – Chinese Lilac

Syringa vulgaris – Common Lilac

 

Additions:

Aronia arbutifolia – Red Chokeberry

Aronia melanocarpa – Black Chokeberry

Corylus Americana – American Hazelnut

Fothergilla gardenia – Dwarf Fothergilla

Fothergilla major – Large Fothergilla

Hydrangea arborescens – Wild Hydrangea

Ilex glabra – Inkberry Holly

Itea virginiana – Virginia sweetspire

Lindera Benzoin – Spicebush

Myrica pennsylvanica – Northern bayberry

Physocarpus opulifolius – Ninebark

Rhus aromatica – Fragrant sumac

Viburnum dentatum – Arrowwood Viburnum

Viburnum lentago – Nannyberry

Viburnum opulus – American Cranberrybush

 

Deletions:

Forsythia intermedia – Border Forsythia

Rhamnus frazula columnaris – Tallhedge Buckthorn

 

 

HEDGEROW (4 FEET HIGH MINIMUM)

 

Retained:

Crataegus crus-galli – Cockspur Hawthorn

Crataegus phaenopyrum – Washington Hawthorn

 

Additions:

Prunus americanum – American Plum

Vaccinium corymbosum – Highbush blueberry

 

Deletions:

Elaeagnus angustifolia – Russian Olive

Viburnum sieboldii – Siebold Viburnum

Viburnum tomentosum – Doublefile Viburnum

 

 

SHRUBS (3 FEET HIGH MINIMUM)

 

Retained:

Juniperus virginiana – Upright Juniper

Taxus capitita – Upright Yew

Taxus hicksi - Hicks Yew

Thuja occidentalis – American arborvitae

 

Additions:

Aronia arbutifolia – Red Chokeberry

Aronia melanocarpa – Black Chokeberry

Corylus Americana – American Hazelnut

Fothergilla gardenia – Dwarf Fothergilla

Fothergilla major – Large Fothergilla

Hydrangea arborescens – Wild Hydrangea

Ilex glabra – Inkberry Holly

Itea virginiana – Virginia sweetspire

Lindera Benzoin – Spicebush

Myrica pennsylvanica – Northern bayberry

Physocarpus opulifolius – Ninebark

Prunus americanum – American Plum

Rhus aromatica – Fragrant sumac

Vaccinium corymbosum – Highbush Blueberry

Viburnum dentatum – Arrowwood Viburnum

Viburnum lentago – Nannyberry

Viburnum opulus – American Cranberrybush

 

Deletions:

Phracantha lalandi – Laland Firethorn

 

 

SHRUBS (4 FEET HIGH MINIMUM)

 

Retained:

Hamamelis virginiana – Common Witch Hazel

Ilex verticillata – Winterberry

Viburnum dentatum – Arrowwood Viburnum

 

Additions:

Clethra alnifolia – Summersweet

Fothergilla major – Large Fothergilla

Ilex glabra – Inkberry

 

Deletions:

Euonymus alatus – Winged Euonymus

Hamamelis vernalia – Vernal Witch Hazel

Rhamnus frangula – Glossy Buckthorn

Viburnum lantana – Wayfaring tree Viburnum