The Lithospermum seems to be gardenworthy, at least I like the leaves!
Rogaland, Norway - with cool, often rainy summers (29C max) and mild, often rainy winters (180 cm/year)!
Yeah, I like the Lithospermum too. I have tried a number of our native yellow-flowered ones, some are beautiful plants, but have not had any luck with them yet. I had to look up Lithospermum caroliniense var. croceum to see what the plant looks like in flower, a most garden worthy species. Here are some links.
Massachusetts, USA, near the New Hampshire border USDA Zone 5
antennaria at aol.com
Oooh, very nice! Quite reminiscent of Lithospermum canescens, hoary puccoon, of the eastern prairies.
Calgary, Alberta, Canada - Zone 3
-30 C to +30 C (rarely!); elevation ~1130m; annual precipitation ~40 cm
Actually, that was the first time I had seen Lithospermum caroliniense; L. canescens is fairly common (in the right places) here in Minnesota.
Rick Rodich zone 4a. Annual precipitation ~24 inches
near Minneapolis, Minnesota, USA