davidii has been classified as an invasive species in many countries including the United Kingdom which I think is a little unfair - they are nowhere near as troublesome as Himalayan balsam of Japanese knotweed but their enthusiasm to grow in places where nothing else will (including chimneys) has earned them bad press.
Because this week I found myself in a garden centre in Folkestone, Kent, talking to that esteemed BBC2 programme about buddleia
If your Buddleia
davidii group are producing quite long shoots and the weather is still mild, then you could cut these hard back.
produce flowers irresistible to butterflies on the current season's growth with the notable exception of Buddleia
alternifolia, its trailing shoots wreathed in clusters of lilac-purple blooms a waterfall of soft purple.
WALK down any street in late summer and you are likely to see a buddleia
, or butterfly bush as it is known because it attracts butterflies, with its cone-shaped flowers in shades of purple, magenta and white.
Cut back deciduous ceanothus, buddleias
(pictured), lavatera and caryopteris quite drastically.
With a display of red roses, buddleias
, fuchsias and a Scottish thistle, Camilla delighted locals by taking part in the garden flowers in a bowl section.
This combined with an abundance of flowers, foliage and fragrance, with interesting shapes such as the arching stems of buddleias
, neatness of choisya and pittosporums and the erect drama of mahonias help to create the basis of many beautiful borders.
Prune back buddleias
and other tall shrubs to prevent damage from wind rock.
are named in honour of the Rev Adam Buddle, an Essex parson and expert amateur botanist some 300 years ago.
remove old flower heads from buddleias
and other nectar-rich plants to encourage new flowers.
live up to their name as the butterfly bush by attracting hundreds of insects with their open flowers.
Given a hard pruning every spring, it's not hard to keep buddleias
compact enough for most gardens.
The great thing with buddleias
is that they are simple to grow.
HARD prune shrubs such as buddleia
, which produce their best show on vigorous new growth.