Magnolia virginiana (Sweetbay Magnolia, Swamp Magnolia, Whitebay, Swamp Laurel, Beaver Tree)


Michael's Opinion

A great tree for privacy around patios or along driveways. It carries beautiful white fragrant flowers that flower during the summer and makes a nice focal point in any flower garden.

Botanical Information

FamilyMagnoliaceae
GenusMagnolia
Speciesvirginiana
CategoryWoody
TypeShrub (deciduous), Shrub (evergreen)
OriginIndigenous to the United States of America and introduced into cultivation in England in 1687. It was the first Magnolia species to be grown in England. It is quite variable in nature with distinct varieties identified, M. virginiana var. australis a southern species and the more hardy northern species M. vriginina.
Pronunciation

Details

USDA Hardiness Zone4, 5 - 9
USDA Hardiness Ref.
Canadian Hardiness Zone6 - 10
Canada Hardiness Ref.
RHS Hardiness Ref.
Temperature (°C)-10
Temperature (°F)-20
Height6 m
Spread8 m
GrowthMedium
Flowering PeriodJune

Description and Growing Information

General DescriptionOften seen growing by swamps, white-green undersides to the leaves. This species has been placed on the IUCN Red List as least concerned and has been given a G5 global ranking by NatureServe.
ID CharacteristicSmall, deciduous to evergreen shrub with white fragrant flowers. Has bright red-orange seeds.
ShapeUpright shrub or small tree, fairly round to oval shaped and typically multi-stemmed.
LandscapeScreening, around patios or long driveways for privacy.
PropagationMature seeds should be soaked in water for a few days to easily remove the pulp. Seeds can be planted right away but are best stratified for 2 - 4 months at 5 ÂșC.
CultivationPlant in partial shade to full sun in wet, swampy and/or acidic soils.
PestsScale, tulip-poplar weevil (leaf miner) and leaf spots.
Notable SpecimensThe Gardens of Fanshawe, London, Ontario, Canada. The Mac Cuddy Botanic Garden, Strathroy, Ontario, Canada.
HabitatBoglands, swamps and marshlands.
Bark/Stem DescriptionThin, delicate bark susceptible to mechanical injury and winter damage.
Flower/Leaf Bud DescriptionNarrow lanceolate flower buds pointing upward. The terminal buds, measuring between 3 - 6 cm in length, are much larger than the lateral buds, which measure between 5 - 9 cm in length.
Leaf DescriptionThey are simple, alternate, lanceolate-pinnate leaves without serration that measure between 5 - 10 cm in length. Leaves are two-toned, pale green adaxial and silver abaxial; where trees are grown in exposed locations with a little wind they appear to shimmer.
Flower Description5-7.5 cm wide with about 8 petals per bloom. Flowers are very fragrant.
Fruit DescriptionElongated lanceolate fruit measuring 2 - 7 cm. Towards autumn, the fruit turns brown and splits open to reveal bright red-orange seeds.
Colour DescriptionBrown-grey bark, medium green leaves that do not turn in autumn with white undersides. White flowers in the summer.
Texture DescriptionMedium.

Photographs