Life must be filled up

This is a foxglove called 'Primrose Carousel', named because the flowers grow all round the stem. I prefer the traditional 'all the flowers on one side' type but this is such a pretty colour. Thompson & Morgan started selling seed of it a few years ago, very expensively, and it was a big success. I grew some plants, was pleased with them and carefully saved seed to sow again. I have other foxgloves in the garden and none of the new plants I raised came true. Every now and then though, one pops up, as seen above. Here's some more ( free plants )