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Trees

Populus alba 'Richardii'

white poplar 'Richardii'

'Richardii' is a spreading, suckering, deciduous tree to about 12m with lobed leaves, greenish-yellow above, felted white beneath, and felted white young shoots. In early spring produces green female or red male catkins

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Ultimate height

8–12 metres

Time to ultimate height

20–50 years

Ultimate spread

4–8 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained, Poorly–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or North–facing or West–facing or East–facing

Exposure

Exposed or 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 GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
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

Best in deep, fertile, well-drained soil in full sun, but tolerates both damp and dry soils

Propagation

Propagate by hardwood cuttings in winter

Suggested planting locations and garden types

Cottage and informal garden
Low Maintenance

Pruning

Pruning group 1 or pruning group 7 for best foliage effect

Pests

May be susceptible to leaf beetles, sawflies and caterpillars

Diseases

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

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