Paul......they are called dusty miller.......a nice garden accent which also will flower in late summer here.There are several different varieties.They are also often used in container flower gardens.

Thanks for your help! By any chance do you know what variety this one is and can you grow them from seed?

I think that one is called silver dust. Silver lace is finer cut still. Don't pull it out and in your area it will probably come back. I have had them winter over in my area. The third year--if they get that far-- they send up an ugly flower and look scraggly.

I do start mine from seed in the greenhouse. It takes about 8 weeks to get a decent size, but I set them out when they are small. Usually near a low growing spring blooming perennial. When the perennial stops blooming the dusty miller takes over

I should have told you to give the roots a layer of mulch, to protect the them. Anything will do. I find dry leaves work for me, but be sure to remove them in the spring when the daffodils bloom.

If you are setting them out as seedlings, make sure the soil is warm. They are very hardy when they are big but not so hardy as seedlings. They will take a bit of frost though.

Thanks oilpainter! I will use your advise. Now, to get the seeds... Paul

They are lovely plants but beware the rabbits LOVE them.

They can take light frost: we grow them as winter annuals, here. They will also survive the summer here, but usually look like they wished they hadn't. : )
To make it easier to find the seed, the species name is Senecio virens, but it's also sold as S. cineraria.
Happy hunting! : ])