Kousa Dogwood, Chinese Dogwood, Japanese Dogwood 'Milky Way'

Cornuskousa

Genus
Cornus (KOR-nus)
Species
kousa (KOO-sa)
Synonym
Benthamia kousa
Sun Exposure
Sun to Partial Shade
Foliage
Deciduous
Height
15-20 ft. (4.7-6 m)
Spacing
12-15 ft. (3.6-4.7 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)
Danger
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
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
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
By grafting
By budding
Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Santa Rosa, California

Fort Collins, Colorado

Savannah, Georgia

Coushatta, Louisiana

East Lansing, Michigan

Kalamazoo, Michigan

Saint Louis, Missouri

Copake, New York

Sodus, New York

Cincinnati, Ohio

Arbovale, West Virginia

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Featured Videos

Gardener's Notes:

1
positive
2
neutrals
0
negative
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B
Gordonsville, VA (Zone 7a) | July 2021 | positive

This is an improved cultivar of the standard Kousa dogwood. I think a lot of the Kousas I see in the old downtowns of the Virginia Piedmo...Read More

G
Savannah, GA | September 2014 | neutral

In the Deep South, best to give this tree partial sun to partial shade -- definitely shade past 2 pm in the afternoon!

Too...Read More

B
Lakemont, GA (Zone 8a) | March 2007 | neutral

There may not really be as many blooms on this tree as there are stars in the Milky Way, but it would be close! Very abundantly blooming ...Read More

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