By Barbarak
North Yorkshire,
United Kingdom 
I have a circular border approx 18inches wide. At present there are 2 year old lavender plants all around but they have quickly outgrown the space. The flowers sprawl all over the paths on both sides. I know they need the initial prune now but as they are just going to get bigger I am thinking of removing them and planting very low growing ground cover that is evergreen but low enough to allow the dwarf iris to appear in spring. looking for suggestions please.
23 Aug, 2017
Answers
I deconstructed a stone circle patio set. The centre has a crab apple tree then the next circle is a path then the border in question surrounded by the outer circle . So path is either side of the border. I can post a photo if needed.
23 Aug, 2017
Had you thought of rock roses (Helianthemums)?
24 Aug, 2017
Previous question
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23 Aug, 2017