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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.”
Different pruning techniques may be used on herbaceous plants than those used on perennial woody plants. Reasons to prune plants include deadwood removal, shaping (by controlling or redirecting growth), improving or sustaining health, reducing risk from falling branches, preparing nursery specimens for transplanting, and both harvesting and ...
Buddleja (/ ˈ b ʌ d l i ə /; orth. var. Buddleia; also historically given as Buddlea) is a genus comprising over 140 [3] species of flowering plants endemic to Asia, Africa, and the Americas. The generic name bestowed by Linnaeus posthumously honoured the Reverend Adam Buddle (1662–1715), an English botanist and rector , at the suggestion ...
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]
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Buddleja crispa, the Himalayan butterfly bush, [1] is a deciduous shrub native to Afghanistan, Bhutan, North India, Nepal, Pakistan and China (Gansu, Sichuan, Tibetan Autonomous Region), where it grows on dry river beds, slopes with boulders, exposed cliffs, and in thickets, at elevations of 1400–4300 m. [2]
The flowers appear on the old wood before the leaves at the nodes of the previous year's growth, during April in the UK. The lax panicles are < 20 cm in length and pale lavender in colour. The leaves are initially white, owing to a dense coating of hairs, but ultimately become almost glabrous, with a dark green upper surface; the underside ...