Photo by Melody

PlantFiles: Greenbay Sweetbay Magnolia
Magnolia virginiana 'Green Shadow'

Family: Magnoliaceae
Genus: Magnolia (mag-NO-lee-a) (Info)
Species: virginiana (vir-jin-ee-AN-uh) (Info)
Cultivar: Green Shadow


20-30 ft. (6-9 m)

15-20 ft. (4.7-6 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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall


Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens

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

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive braun06 On May 20, 2010, braun06 from Peoria Heights, IL (Zone 5b) wrote:

I just received the plant this year at about 3.5' tall. It seems to be growing well already and is ready to flower in the next couple weeks. This cultivar is most likely to be grafted and is only in single stem form. The leaves are typical of the species being dark green with a silvery underside. I have to wait to see how it handles the winter. The longer it is in the ground the more likely it will remain evergreen but have heard of dieback in zone 5a near Chicago from a source. In northern zones plant early in the growing season to get better established. Dieback will occur if planted late in the season. This is a likely selection from Don Shadow according to Mike Dirr.

Late winter 2011 Update* The tree has gone through a long couple months of below normal cold for zone 5a though not getting the brunt of its worst. Cold snap came beforeThanksgiving and by the first few weeks of December the plant was already browning some of its leaves. Here in Late February the leaves are all brown, having been so since late December but it has retained all of the foliage. We had about 5 days with lows from -5 to -9 over this winter. Dieback was experienced in branches nearest the snow from sun reflection. It is recommended to spray antidesicant the first few winters until it is established in zone 5.


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

Peoria, Illinois

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