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Trees

Populus × generosa 'Beaupré'

Exceptionally fast-growing, large spreading, deciduous tree to about 20-25m tall, with a broad crown, usually planted for timber production. Rounded to triangular leaves, very large on young trees, are bright green on top and greyish-white and downy underneath with yellow autumn colour. In spring, male catkins are red and female, green

Synonyms

Populus × interamericana 'Beaupré'

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Ultimate height

Higher than 12 metres

Time to ultimate height

20–50 years

Ultimate spread

Wider than 8 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing or East–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Salicaceae
Native to the UK: No
Foliage: Deciduous
Habit: Bushy, Spreading branched
Genus: Populus are deciduous trees, mostly very fast-growing and large, with male and female catkins on separate trees, opening before the leaves. Male catkins are the more ornamental, female ones can be a nuisance from the cottony, wind-blown seeds
Name status: Accepted

How to grow

Cultivation

Cultivated for their very rapid growth as specimen trees and useful for windbreaks. Tolerant of any soil other than constantly waterlogged soils. Avoid growing within 40m of buildings as the vigorous root systems may damage drains and foundations, particularly on clay soils. It has the potential to become a nuisance

Propagation

Propagate from hardwood cuttings in winter

Suggested planting locations and garden types

Coastal
Cottage and informal garden
Wildlife gardens
Low Maintenance

Pruning

Pruning group 1 in late summer to avoid bleeding from pruning cuts but established trees need little pruning

Pests

May be susceptible to leaf damage from leaf beetles, sawflies and caterpillars

Diseases

May be susceptible to leaf spots, poplar bacterial canker, tree rusts and honey fungus

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