By Od156
Cheshire,
United Kingdom 
This white flowering plant is about 18" tall and has grown well despite the hot and dry weather. I can't find this in any of my gardening books; can anyone tell me it's name please?
20 Jul, 2018
Answers
yes I agree it looks like one of the mallows.. there are annual as well as perennial species available.
21 Jul, 2018
Thank you so much Hywel and Seaburngirl; on checking it certainly is Malva moschata alba, Musk Mallow - White Perfection. It has been in the garden for a few years but only ever had two stalks. Just happens that it is growing in the correct conditions but now I know what it is I can give it better care. At the moment it looks like there will be a lot of seed pods and I hope to be able to harvest and grow them.
21 Jul, 2018
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It looks like a Mallow
21 Jul, 2018