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PLANTING SUITABILTY

 

Aside from aesthetic qualities, successful plantings are dependant on climate, soil conditions, weather exposure, and nearby structures such as buildings and utility conduits.

Recommendations for ornamental trees and shrubs can be found in the listings below.

 

Fruit trees require conditions that are specific to their particular rootstock.

Trees Growing Well In Clay

ZONE
Acer Rubrum 3B-4
Acer Saccharinum 3
Alnus 4
Amelanchier 3-4
Crataegus 3-5
Fraxinus Pennsylvanica Lanceolata 2-4
Gleditsia 4-4B
Ilex Verticulata 3
Juglans Nigra 5
Malus 2-5
Prunus Virginiana Schubert 2
Prunus Padus 2
Pyrus Chanticleer 5
Quercus Robur 5
Quercus Robur Fastigiata 5
Quercus Rubra 3
Trees Suitable for Planting Beneath Overhead Wires Zone
Acer Campestre 5B
Acer Ginnala 2
Acer Rubrum 3-4
Acer Platanoides Globosum 5
Aesculus Glabra 5B
Amelanchier Canadensis 4
Amelanchier Canadensis Ballerina 4
Crataegus Crusgalli 5
Crataegus Mordensis Toba 3
Malus 2-5
Prunus Fruiticosa Globosa 6
Prunus Cerasifera Newport 3
Prunus Padus Colorata 2
Prunus Serrulata Kwanzan 6
Sorbus Intermedia 4
Syringa Reticulata Ivory Silk 2
Ulmus Umbraculifera 4
Shrubs For Moist Sites Zone
Cornus 2-6
Salix 2-4
Sambucus 2B-4
Symphoricarpus Orbiculatus 2-5
Viburnum 2-6
Small Trees For Small Gardens   (Patio Trees) Zone
Amelanchier Canadensis 3-4
Caragana Arborescens Pendula 2
Caragana Frutex Globosa 5
Caragana Lorbergii 2
Cercis Canadensis 6
Cercis Canadensis Forest Pansy 6
Cotinus Coggygria 'Royal Purple' 5
Cotoneaster Apiculatus 'Boer' 4
Crataegus Monogyna Compacta 5
Euonymus 3-5
Hibiscus 6
Hydrangea P. G. 4
Morus Alba Pendula 4
Prunus Cistena 3
Prunus Triloba 2
Prunus Serrulata 6
Robinia 3-4
Salix 3-4
Syringa Meyeri 3
Syringa Microphylla 4
Syringa Miss Kim 3
Syringa Vulgaris 4
Viburnum Carlesi 6
Clumped Trees and Shrubs Zone
Acer Ginnala 2
Acer Rubrum 4
Amelanchier 3-4
Aralia 5B
Betula 2-4
Carpinus 3-5
Cercidiphyllum 5
Cercis 6
Cornus Alternifolia 2
Cornus Kousa Chinensis 6
Cotinus Coggygria 5
Crataegus 3-5
Eleagnus Angustifolia 2B
Syringa 'Ivory Silk' 2
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Trees of Outstanding Fall Colour 
Fall Colouring		 Zone 
Wet/Dry
Acer Ginnala 
Yellow, Red, Orange		 2 
Dry
Acer Rubrum 
Yellow, Red, Orange		 3
Wet/Dry
Acer Saccharum 
Yellow, Red, Orange		 4
Wet/Dry
Amelanchier Canadensis 
Yellow, Red, Orange		 3
Dry
Cercidiphyllum Japonicum 
Yellow, Orange or Red		 5
Dry
Crataegus Phaenopyrum 
Orange, Red		 5
Dry
Fraxinus Americana 'Autumn Purple'
Purple		 5
Dry
Fraxinus Nigra 'Fall Gold'
Golden		 2
Wet/Dry
Prunus Serrulata 'Kwanzan'
Orange, Red		 6
Dry
Pyrus Calleryana 'Chanticleer'
Fire Red		 5
Dry
Quercus Bicolor
Purple		 4
Dry
Quercus Coccinea
Orange, Purple		 5
Dry
Quercus Palustris
Orange, Purple		 5
Wet/Dry
Quercus Rubra
Red		 5
Dry
Fall Colouring Shrubs and Small Trees 
Fall Colouring		 Zone 
Wet/Dry
Acer Ginnala 
Orange		 4
Dry
Amelanchier 
Orange, Scarlet		 2
Dry
Aronia 
Scarlet		 2
Dry
Celastrus Scanadensis
Golden		 3
Dry
Cornus Kousa 'Chinensis'
Purple to Scarlet		 6
Dry
Crataegus Crusgalli 
Yellow to Orange		 5
Dry
Euonymus Alatus 
Fiery Purple		 3
Dry
Euonymus Alatus 'Compactus'
Fiery Purple		 4
Dry
Hamamelis Virginiana
Golden		 3
Dry
Parthenocissus Quinquefolia 'Engelmannii'
Red, Orange		 2B
Dry
Parthenocissus Triscuspidata 'Veitchii'
Orange, Red		 5B
Dry
Rhus Aromatica
Red, Orange		 3
Dry
Rhus Aromatica 'Gro-Low'
Red, Orange		 4
Dry
Rhus Typhina & Glabra
Red, Orange		 3
Dry
Rhus Typhina Laciniata
Red, Orange		 3
Dry
Rosa Rugosa
Red Fruit		 2
Dry
Rosa Rubiginosa
Red Fruit		 6
Dry
Spiraea Bumalda 'Goldflame'
Orange, Red, Bronze		 3
Dry
Viburnum Trilobum
Orange, Red		 2
Wet
Viburnum Trilobum 'Compactum'
Orange, Red		 4
Wet
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Zone Chart

Obviously, this chart is a rough  illustration to the climatic zones of North America.  For a more accurate guide, it is better to refer to the minimum temperature range chart below.
 
1 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10 11

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Temperature Chart

Call your local weather office for the minimum temperature range of your planting area.

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.ZONE CELSIUS FAHRENHEIT
1 Below -45.6C Below -50F
2a -45.5  to  -42.8C -50  to  -45F
2b -42.7  to  -40.0C -45  to  -40F
3a -39.9  to  -37.3C -40  to  -35F
3b -37.2  to  -34.5C -35  to  -30F
4a -34.4  to  -31.7C -30  to  -25F
4b -31.6  to  -28.9C -25  to  -20F
5a -28.8  to  -26.2C -20  to  -15F
5b -26.1  to  -23.4C -15  to  -10F
6a -23.3  to  -20.6C -10  to  -5F
6b -20.5  to  -17.8C -5  to  0F
7a -17.7  to  -15.0C 0  to  5F
7b -14.9  to  -12.3C 5  to  10F
8a -12.2  to  -9.5C 10  to  15F
8b -9.4  to  -6.7C 15  to  20F
9a -6.6  to  -3.9C 20  to  25F
9b -3.8  to  -1.2C 25  to  30F
10a -1.1  to 1.6C 30  to  35F
10b 1.7  to 4.4C 35  to  40F
11 Above 4.5C Above 40F
 

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