Jim Barborinas ISA Certified Arborist, ASCA Registered Consulting Arborist Tree Risk Assessor Qualified Urban Forest Nursery, Inc. & Urban Forestry Services, Inc. Mount Vernon, Washington URBAN STREET & LANDSCAPE TREES “New and Under Utilized” for Can-West
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Jim Barborinas ISA Certified Arborist,
ASCA Registered Consulting Arborist
Tree Risk Assessor Qualified
Urban Forest Nursery, Inc. &
Urban Forestry Services, Inc.
Mount Vernon, Washington
URBAN STREET &
LANDSCAPE
TREES
“New and Under Utilized”
for Can-West
Why Should We Consider
New Tree Varieties?
Diversity is important
Some are Over Planted
Changes in Disease and Insect Susceptibility
Planting Sites are Limited
More Reliable Form
More Resistant Varieties are Introduced
More Favorable Characteristics
Favorable Characteristics
Desirable Foliage, Flowers, Fruit or Fall Color.
Disease and Insect Resistance
Transplantable
Reliable and Predictable Form
Flexible Limbs
Good Wound Compartmentalizer
None Aggressive Roots
Soil Range Tolerance
Drought Tolerance
Long Lived
??
Species Height Categories
Small trees to 30’
Medium trees to 45’
Large trees over 45’
(Spreading and Narrow habit)
Small Trees to 30’,
Spreading Habit
Some are suitable for
under utility
lines.
Snowcone Japanese Snowbell,
Styrax japonicus ‘JFS-D’ (Z5-8)
Spreading Habit to 25’ Tall
American Hornbeam
(Z3-9) and Cultivars – Look for ‘Palisade’ &
‘Native Flame’.
Spreading Habit to 25’ Tall
‘Palisade’
Native Flame
More American Hornbeam,
Cultivars – ‘Ball of Fire’, and ‘Firespire’, (Z3-9)
Spreading Habit to 25’ Tall
Ball O’ Fire ‘Firespire’
City Sprite
Zelkova, (Z5)
Zelkova serrata ‘JFS-
KW1’
Spreading Habit to 25’ Tall
Credit Gardenality.com
Credit Gardenality.com
Golden Raindrops Crabapple, Malus transitoria ‘Schmidtcutleaf’ (Z3)