Magnolia x soulangeana 'Sundew' (Sundew Magnolia, Sundew Saucer Magnolia, )

Botanical Information

FamilyMagnoliaceae
GenusMagnolia
Speciesx soulangeana
Cultivar'Sundew'
SynonymsMagnolia x soulangeana 'Sundew', Magnolia x soulangeana 'Pickard's Sundew'
CategoryWoody
TypeTree (deciduous), Shrub (deciduous)

Details

USDA Hardiness Zone4a - 9b
USDA Hardiness Ref.
Canadian Hardiness Zone5 - 8b
Canada Hardiness Ref.
RHS Hardiness ZoneH4 - H7
RHS Hardiness Ref.
Temperature (°C)-35 to -4
Temperature (°F)-30 - 25
Height3 - 5 m
Spread2.5 - 4 m
Flowering PeriodApril, May

Description and Growing Information

General DescriptionLarge, wide spreading shrub or small tree. Creamy white flowers flushed with pink, in April and May.
ShapeBroad headed.
LandscapePopular as a landscape feature when in bloom but otherwise having the character of a small tree and thus suitable for landscapes with limited space. Structural pruning will enhance the form and help to produce a more open specimen.
PropagationCuttings or budding.
CultivationPrefer heavy, rich and moist lime free soil, but can be surprisingly adaptable. A sheltered position, especially protection from early morning sun when frosts are likely will reduce the risk of damage to the flowers. Can be pruned after flowering or in July or August. Tolerant of atmospheric pollution.
PestsHorse chestnut scale, capsid bug and snails may be a problem. Coral spot, grey mould, honey fungus and fungal leaf spot may occur.
Notable SpecimensLanhydrock House and Garden, Bodmin, Cornwall, United Kingdom.
HabitatHorticultural origin.
Leaf DescriptionThe leaves are alternate, obovate and 5 - 10 cm long.
Flower DescriptionThe flowers are star-shaped, 7.5 - 10 cm wide and contain 12 - 18 tepals.

Photographs