Fraxinus profunda (Pumpkin Ash)


Michael's Opinion

Faxinus profunda will thrive and reach maximum height in swampy situations. It is rare in Ontario, but is found along the Lake Erie shoreline in Southwestern Ontario. A somewhat unattractive tree.

Botanical Information

FamilyOleaceae
GenusFraxinus
Speciesprofunda
CategoryWoody
TypeTree (deciduous)
Pronunciation

Details

USDA Hardiness Zone5-9
USDA Hardiness Ref.
Canadian Hardiness Zone6a
Canada Hardiness Ref.
RHS Hardiness Ref.
Temperature (°C)-21
Temperature (°F)-10
Heightto 30 m
Spreadto 25 m
GrowthMedium
Flowering PeriodApril

Description and Growing Information

ID CharacteristicMedium to large tree. Larger trees have a bulge at the base of the trunk (hence the common name pumpkin ash).
ShapeOpen crown and tall.
CultivationRequires ample moisture so it is best to grow it in such conditions. Not common in cultivation.
PestsEmerald ash borer may be problematic. May also be susceptible to ash dieback (Charlara fraxinea).
HabitatSwamps and river or lake edges.
Bark/Stem DescriptionBark is a gray-brown colour and is very course, it has somewhat of a diamond shaped pattern between scaley ridges.
Flower/Leaf Bud DescriptionBuds are a light red-brown colour, small and slightly hairy.
Leaf DescriptionLeaves are large, and can range from 22-40 cm in length to about 3-7 cm wide. They are pinnately compound and dark green in colour.
Flower DescriptionFlowers are small and a greenish purple colour. They form in a branch inflorescence, are quite small and emerge in april.
Fruit DescriptionFruit is dry, single-seeded and 4-9 cm long. Tips are rounded on the fruit.
Colour DescriptionDark green colour with a grey-brown bark.
Texture DescriptionTexture is course.

Photographs