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Pagoda Dogwood, Green Osier 'Argentea'

Cornus alternifolia

Family: Cornaceae
Genus: Cornus (KOR-nus) (Info)
Species: alternifolia (al-tern-ee-FOH-lee-uh) (Info)
Cultivar: Argentea
Additional cultivar information:(aka Variegata)

Category:

Trees

Foliage Color:

Chartreuse/Yellow

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Grow outdoors year-round

Height:

20-30 ft. (6-9 m)

Spacing:

20-30 ft. (6-9 m)

Hardiness:

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

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)

Sun Exposure:

Full Sun

Danger:

Unknown - Tell us

Bloom Color:

White/Near White

Bloom Time:

Late Spring/Early Summer

Foliage:

Grown for foliage

Deciduous

Variegated

Other details:

Unknown - Tell us

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 softwood cuttings

From semi-hardwood cuttings

From hardwood cuttings

Seed Collecting:

Bag seedheads to capture ripening seed

Allow unblemished fruit to ripen; clean and dry seeds

Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds

Properly cleaned, seed can be successfully stored

Regional

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

New Haven, Connecticut

Chicago, Illinois

Winnetka, Illinois

Georgetown, Kentucky

Louisville, Kentucky

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Nov 8, 2015, coriaceous from ROSLINDALE, MA wrote:

This cultivar is held in highest regard by British gardeners.

The species' strongest ornamental feature is its layered horizontal branching pattern (in whorls), which accounts for the common name "pagoda dogwood".

This cultivar has in addition white variegated leaf margins and gray-green centers, which accounts for the cultivar name, meaning "silver". The variegation is stable and quite dramatic.

The foliage scorches in too much sun even here in Boston Z6a. Highly tolerant of shade.

The leaves are not yellow or chartreuse.

Unfortunately, as has been known for over a century, this species is highly susceptible to Cryptodiaporthe canker. Trees routinely succumb to the disease before attaining a trunk diameter of 4".... read more

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