By Wildrose
Devon,
United Kingdom 
Please can you identify the pale blue, spiky perennial in this picture?
19 Aug, 2013
Answers
Looks like it, Russian sage, perovskia atriplicifolia, (possibly the cultivar 'Blue Spire' by the size and colour).
20 Aug, 2013
Oh yes it is - I have just looked at perovskia on Google images and that is it.
Thank you both so much - I want to get at least one more.
20 Aug, 2013
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I can't see the foliage very well, but it might be perovskia
19 Aug, 2013