Photo by Melody

PlantFiles: Kousa Dogwood, Chinese Dogwood, Japanese Dogwood
Cornus kousa var. chinensis

Family: Cornaceae
Genus: Cornus (KOR-nus) (Info)
Species: kousa var. chinensis

3 vendors have this plant for sale.

11 members have or want this plant for trade.

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15-20 ft. (4.7-6 m)

12-15 ft. (3.6-4.7 m)

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)

Sun Exposure:
Sun to Partial Shade

Seed is poisonous if ingested
Parts of plant are poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer


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:
Unknown - Tell us

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
By budding

Seed Collecting:
Allow unblemished fruit to ripen; clean and dry seeds
Properly cleaned, seed can be successfully stored

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There are a total of 12 photos.
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1 positive
2 neutrals
No negatives

Gardeners' Notes:

Neutral sybsflowers On Jun 27, 2013, sybsflowers from Overland Park, KS wrote:

I had 2 of them planted 5 years ago. One is in a sunny location and the other is in more shade. They have never flowered well, maybe 5 or 6 flowers on each. What should I fertilize them with?

Also,they are getting pretty tall, but not spreading out at all. Would it be a good idea to prune them? I do cut off any branches that have no growth on them.

Neutral meezer3 On May 10, 2013, meezer3 from New Lenox, IL (Zone 6a) wrote:

I always have wanted a Dogwood for our area, Zone 5b,but knew that they had certain requirements for their growth so I did my researching and hunted for a more hardy variety and came up with the Korean Dogwood. I selected and planted this particular specie of tree last April (2012). It is about 4 ft high, rather bush like in some respects. We bought it a Lowes, of all places and a reasonable price too.

We used a root stimulator for transplanted trees and amended the soil we planted it in. We planted it in a spot that use to have a beautiful Star Magnolia in it. I researched this tree carefully because this is a sunny location and I know they are under story trees. From what I have learned they can handle more sun then the American Dogwood, and are much more disease and drought resistant too. It did have a few "flowers" on it then, and I noticed the leaves are rather dull and "leathery" to touch. Also "some what ribbed" in texture.

Unfortunately we had one of the hottest summers on record last year for this newly planted young tree. We carefully watered this new tree all summer long. Even though it dropped some leaves then, this year it shows signs of leafing out and we are happy to know that it looks as if it will make it.

The question I have is does it take a long time for it to leaf out? The buds are opening and we are just seeing some green starting to barely appear, almost in slow motion. Is this normal, as all the other trees ( Maples, Crabs, Pears, etc) are way ahead of it. I also understand that these are very slow growing trees. And that they don't bloom until June.

Any additional information you can give would be helpful.
Thank you

Positive wendymadre On Jun 1, 2010, wendymadre from Petersburg, VA wrote:

We have had a Cornus kousa in our Zone 7a, Petersburg, VA, yard for thirteen years now. It has grown slowly but steadily. My husband did not consider it as graceful as the wild dogwoods --Cornus florida--but it is not susceptible to the anthracnose which is killing them off. I pruned it to better expose its branches, which has made a significant improvement. It is a lovely tree.


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

, (2 reports)
East Windsor, Connecticut
Old Lyme, Connecticut
New Lenox, Illinois
Winnetka, Illinois
Shawnee Mission, Kansas
Charlevoix, Michigan
Hamburg, Michigan
Natchez, Mississippi
Hightstown, New Jersey
Brewster, New York
Jefferson, New York
Sodus, New York
Henderson, North Carolina
Yanceyville, North Carolina
Cuyahoga Falls, Ohio
Lewis Center, Ohio
Williamsburg, Ohio
Lake Oswego, Oregon
Camp Hill, Pennsylvania
Odessa, Texas
Janesville, Wisconsin

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