The first picture is of the plant growing in cracks in an almost vertical wall
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I have a feeling that I will kick myself when someone identifies this. It looks familiar, but I can't put a name to it. In the Asteraceae, I think.
University of Edinburgh and Biodiversity Observatory (OU)
Often planted as an 'edging' plant in summer bedding schemes, especially in seaside areas. Native to W.& C. Mediterranean region,there are some garden cultivars like S. cineraria 'Silver Dust'.Raised from seed mainly.
Old name Cineraria maritima.Yes Asteraceae,has yellow ray florets like a giant groundsel, but ornamentally grown for foliage.
David J Trevan
Thanks for the ID.
Lat/Lng: 50.817833333333, -0.12483333333333
OS grid ref: TQ321037