2012 Retail Catalog - Gertens

10 VIII
Relative Tolerance of Trees and
Shrubs to Deicing Salt
High Tolerance Moderate Tolerance Low Tolerance
Acer platanoides
(Norway Maple)
Caragana arborescens
(Serbian Pea Shrub)
Gleditsia tracanthos
(Honeylocust)
Picea pungens
(Colorado Spruce)
Pinus mugo (Mugo
Pine)
Potentilla fruticosa
(Potentilla)
Quercus macrocarpa
(Bur Oak)
Quercus rubra (Red
Oak)
Ribes alpinum
(Alpine Currant)
Helpful Plant Guidelines
Acer ginnala
(Amur Maple)
Pinus sylvestris
(Scotch Pine)
Rhus glabra
(Smooth Sumac)
Spirea x bumalda
(Bumald Spirea)
Syringa vulgaris
(Common Lilac)
Thuja occidentalis
(Eastern Arborvitae)
Ulmus americana
(American Elm)
Acer rubrum
(Red Maple)
Acer saccharum
(Sugar Maple)
Carpinus caroliniana
(American Hornbeam)
Celtis occidentalis
(Hackberry)
Cornus sericea
(Redtwig Dogwood)
Euonymus alatus
(Burning Bush)
Pinus strobus (White
Pine)
Tilia americana
(American Linden)
Viburnum trilobum
(Cranberry Viburnum)
Relative Tolerance of Trees & Shrubs to Poorly Drained
or Intermittently Flooded Soils
Tolerant Intolerant
Acer x freemanii (Freeman Maple) Abies spp. (Fir)
Acer rubrum (Red Maple) Acer saccharum (Sugar Maple)
Betula nigra (River Birch) Cercis canadensis (Eastern Redbud)
Cornus racemosa (Gray Dogwood) Pinus strobus (White Pine)
Cornus sericea (Redtwig Dogwood) Quercus alba (White Oak)
Ilex verticillata (Winterberry) Tilia americana (American Linden)
Larix larcina (American Larch)
Quercus bicolor (Swamp White Oak)
Salix spp. (Willow)
Relative Tolerance of Trees to Restricted Spaces
Tolerant Intolerant
Acer ginnala (Amur Maple) Acer rubrum (Red Maple)
Acer tataricum (Tatarian Maple) Amelanchier spp. (Serviceberry)
Crataegus crus-galli var. inermis
(Thornless Cockspur Hawthorn)
Betula spp. (Birch)
Ginkgo biloba (Ginkgo) Cercis canadensis (Eastern Redbud)
Malus spp. (Crabapple) Prunus spp. (Cherry; Plum)
Quercus spp. (Oak)
Sorbus spp. (Mountain Ash)