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If it blooms on old wood, don't prune until after it flowers. If it blooms on new wood, cut it back in early spring.” And make sure you’re not cutting too much off at any given time.
A rule of thumb when pruning is: “If it blooms in the spring, prune the plant soon after flowering; if it blooms in the summer, prune in the spring.”
The characteristic asymmetry of an ice-pruned plant is achieved only if the prevailing winds during the snow season have a definite directional bias, as shown on a wind rose. Ice pruning is seen in high latitudes and altitudes, such as high mountain slopes and locations more than 50 degrees of latitude from the equator.
Pruning is a horticultural, arboricultural, and silvicultural practice involving the selective removal of certain parts of a plant, such as branches, buds, or roots. The practice entails the targeted removal of diseased , damaged, dead, non-productive, structurally unsound, or otherwise unwanted plant material from crop and landscape plants .
The honey-scented flowers are cream or white, occasionally with a reddish orange throat, appearing as large terminal heads 12 cm × 12 cm in spring and summer; the corollas are 4 mm in length. [2] The dense timber (specific gravity 0.98) is of exceptionally high quality, though rarely found in sizes suitable for furniture.
Buddleja alternifolia, known as alternate-leaved butterfly-bush, [1] is a species of flowering plant in the figwort family, which is endemic to Gansu, China.A substantial deciduous shrub growing to 4 metres (13 ft) tall and wide, it bears grey-green leaves and graceful pendent racemes of scented lilac flowers in summer.
Buddleja fallowiana is a deciduous shrub typically growing to a height of 4 m (13 ft). Of loose habit, the plant has young shoots clothed with a dense white felt. The ovate to narrowly elliptic leaves are 4–13 cm (1.6–5.1 in) long by 1 cm (0.39 in) wide, acuminate or acute at the apex; the upper and lower surfaces densely tomentose, bestowing a silvery grey sheen.
Buddleja davidii (spelling variant Buddleia davidii), also called summer lilac, butterfly-bush, or orange eye, is a species of flowering plant in the family Scrophulariaceae, native to Sichuan and Hubei provinces in central China, and also Japan. [1] It is widely used as an ornamental plant, and many named varieties are in cultivation.