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British
Native Trees
and Shrubs
Privet Ligustrum
vulgare (Oleaceae)
The
deciduous or semi-evergreen privet is synonymous with hedging,
although with its bushy, dark-green leaves and pyramid spikes of
white flowers it makes an attractive and robust shrub in its own
right. Its smooth, dark, wiry stems seldom grow much above 4 m high
and the twigs are downy when young. They carry pairs of small,
leathery, narrowly-oval leaves up to 6 cm long, shiny dark-green
above and lighter beneath, which develop in March and April, growing
darker before falling in winter. Conical clusters of heavily scented
white flowers appear at the end of the shoots in June and July,
followed by the shiny black autumn berries with oily flesh.
Privet is
found in hedges mainly on calcareous soils throughout lowland
England and is common in hedges, scrub, woodland and downland,
mainly on calcareous soils throughout lowland England.
This shrub
can be trimmed and used as a hedge, although it has no leaves in
winter, but it can also be grown in a shrubbery or shrub border
where it will form dense bushes. Like most members of the olive
family it has tough, durable wood and wounds heal easily, so it can
be shaped, although that will be at the expense of the flowers.
Privet withstands pollution and is suited to town gardens. It
prefers an open, sunny site to flower fully but will grow in
semi-shade, and it needs free-draining, preferably alkaline, soils.
The shrub is very drought resistant but will not accept very wet
ground. Control may be necessary as it suckers readily. Many
gardeners grow the Japanese species, Ligustrum ovalifolium,
which is almost completely evergreen and has broader leaves, but it
offers nothing to English wildlife. It can easily be propagated by
hardwood cuttings taken from October to December and put straight
into the ground or into a nursery bed for a year. It may also be
raised from seed collected in autumn, stratified until late winter
and sown in nursery rows before planting out two growing seasons
later.
Pink and
green dye can be obtained from the berries and a khaki colour from
the branches. The fruits also produce a mild oil once used for lamps
and making soap.
Uncut hedges
and shrubs carry nectar-rich blossom whose scent attracts bees and
other pollinating insects. Untrimmed privet is also a refuge for
hibernating brimstone, small tortoiseshell, comma and peacock
butterflies. As a hedge plant it provides good cover for nesting
birds and the berries contribute to their winter diet. The leaves
are the main food for the caterpillar of one of Britain’s most
beautiful moths, the privet hawk moth, and for the coronet moth.
White letter and black hairstreaks feed on the honeydew on the
leaves.
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