By Ladyessex1
Leigh-on-Sea Essex,
United Kingdom 
Here I am again, I'm after another ID of this flower & the Moth/Butterfly? I'm entering it in my Camera Club
(Wild Flower) competition, where you have to name the flower ect.
Jackie xx
PS. I will be back asking for more ID's on Wild Flowers :o))
10 May, 2018
Answers
Yes as Tug says, usually called Ragwort. Don't know the moth.
10 May, 2018
Possibly a Bright-line Brown-eye Moth (Tomato Moth) ...
10 May, 2018
I went through my insect book, Lady E, and the nearest that I could find was what Shirley says. A Bright-line Brown-eye, though the picture in my book varies on two or two details. Nothing else came close though.
10 May, 2018
Yes I also think it is a Bright-line Brown eye. some slight colour variation is usual, depending on how freshly emerged it is really. Also agree it is a ragwort plant.
10 May, 2018
The ragwort is the foodplant of the cinnabar moth. The caterpillars are very striking in black and yellow stripes but I don;t know whether the moth shown is the cinnabar moth.
10 May, 2018
That's not a cinnabar moth. Although the cinnabar is the creature most often mentioned as being totally reliant on ragwort, the plant has been known to support over seventy different species.
There's a lot of misplaced hysteria about common ragwort so be ready for someone at your camera club spouting nonsense about it.
10 May, 2018
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Maybe Senecio jacobaea?
10 May, 2018