| 释义 |
perovskia
noun[ U ]
(alsoPerovskia)uk /pəˈrɒv.ski.ə/ us /pɚˈɑːv.ski.ə/
one of a family of garden plants or bushes with long stems that have pale purple-blue flowers at the ends and pale green leaves with many points, especially Russian sage:
Perovskia can be pruned annually down to a low woody framework.
Perovskia seems to be unattractive to leaf pests and not susceptible to disease.
Commonly known as Russian sage, perovskia was named after a Russian aristocrat.
Deciduous shrubs, such as perovskia and hydrangea, can be propagated by cuttings at this time of year.
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See also
Russian sage
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