This grower is fairly sure of this plant identification.
The colour of the flowers is a lovely rich pinky - purple. The plants have a more open habit than the 2nd image (see the last picture). the first 4 pictures are the swap plants. The 3 rd image shows the 40 cm flower spikes the plants had this year.- two on the back left - this is height of the last flower spikes.
Rose campion, London pride, dusty miller, Bridget-in-her-bravery, corn rose, crown of the field, garland flower, mullein pink, pink mullein, red bird's eye
Lychnis coronaria (Rose campion). Also known as Agrostemma coronaria, this species has silver to white foliage and red, pink, coral or cream flowers. It is not long-lived but will self-sow.
They are frost hardy and easily grown in cool climates. They prefer a sunny site with well-drained soil.
Border, cutting bed, foliage
Italics = data drawn from parent genus or speciesView Full Plant Finder Record