Photo by Melody

PlantFiles: Japanese Grey-bark Elm, Japanese Zelkova
Zelkova serrata

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Family: Ulmaceae (ulm-AY-see-ee) (Info)
Genus: Zelkova (ZEL-kov-uh) (Info)
Species: serrata (sair-AY-tuh) (Info)

Synonym:Corchorus serratus

2 vendors have this plant for sale.

6 members have or want this plant for trade.

Category:
Trees

Height:
over 40 ft. (12 m)

Spacing:
over 40 ft. (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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Danger:
N/A

Bloom Color:
Green

Bloom Time:
Late Winter/Early Spring

Foliage:
Deciduous
Bronze-Green
Good Fall Color

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Non-patented

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
By grafting

Seed Collecting:
Collect seedhead/pod when flowers fade; allow to dry

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Thumbnail #1 of Zelkova serrata by Kachinagirl

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There are a total of 21 photos.
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Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral alexgr1 On Feb 5, 2015, alexgr1 from Dunnellon, FL (Zone 9b) wrote:

Germination
For faster germination, soak the seeds in slightly hot water for 24-48 hours, followed by 6 weeks of cold stratification before sowing in sterile gardening soil. Keep damp soil, not soaking wet. Keep pot in warm situation, 68-75 F. Germination usually occurs in one to two months. It can be more depending on their degree of unbroken dormancy, don't give up.
Scarification / Stratification
This will break their dormancy. It creates a cold and moist environment for the seeds. Mixed in seeds with slightly moistened vermiculite or peat, only damp in a ziplock bag. Close zip bag shut and store it in the salad crisper compartment of your refrigerator. If any seeds begin to sprout during the cold stratification, simply remove the seed and plant. - See more at: http://www.rarexoticseeds.com/en/zelkova-serrata-seeds-japan...

Positive southeastgarden On Sep 2, 2014, southeastgarden from Jacksonville, FL (Zone 9a) wrote:

I have read that this plant grows in zone 9 but have never seen one in Florida. I have planted several plants in zone 9a (including several cultivars) and had good growth from them for several years now. I even get a little orange fall color.

Regional...

This plant has been said to grow in the following regions:

San Leandro, California
Jacksonville, Florida
Marietta, Georgia
Clermont, Kentucky
Georgetown, Kentucky
Lexington, Kentucky
Louisville, Kentucky
Nicholasville, Kentucky
Valley Lee, Maryland
Roslindale, Massachusetts
Bay City, Michigan
Manchester, Michigan
Syracuse, New York
Cincinnati, Ohio
Dayton, Ohio
Portland, Oregon



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