Japanese Grey-bark Elm, Japanese Zelkova 'Halka'

Zelkovaserrata

Family
Ulmaceae (ulm-AY-see-ee)
Genus
Zelkova (ZEL-kov-uh)
Species
serrata (sair-AY-tuh)
Synonym
Sun Exposure
Full Sun
Foliage
Deciduous
Height
over 40 ft. (12 m)
Spacing
30-40 ft. (9-12 m)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Bloom Time
Late Winter/Early Spring
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
4.5 or below (very acidic)
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
Seed Collecting
Regional

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Gardener's Notes:

0
positive
1
neutral
0
negative
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Oklahoma City, OK (Zone 7a) | January 2005 | neutral

This tree is nice for the landscape and can also be used for city street plantings. It will tolerate a wide range of soil pH values as we...Read More

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