This next one is the variegated form which we got from the nice folks at Baker's Acres up near Columbus. We keep it alive with some difficulty. As with a number of variegated plants, it seems to like more sun than the species, though thinking about it, the species will take full sun also.
This last is called 'Primrose Heron' and we picked it up from Glasshouse Works in Stewart Ohio. The color varies between yellow and chartreuse and instead of rambling all over the place, this one seems to be content to form a nice, furry clump. Right now it is about a foot tall and 18 inches wide. I think this would be my favorite - pretty and well behaved.
Like I said, most of these will enjoy full sun and also do well in at least partial shade. They are at least a bit drought tolerant, being able to go for quite awhile in a dry spell without looking thirsty. The flowers on the species appear on a bloom scape which is about 18 inches tall, though most seem to ramble on the ground a bit and only really go up about 10 inches. The scape reminds me of mullein in that it is somewhat reminiscent of a large asparagus except that it is fuzzy and silver with lots of tiny purple flowers.