I have some rust,some light yellow and some white, deep yellow is the one I like
You can plant them in situ, They produce a lot of seeds, Jut mix seed with sand and pour it in 1/2 inch deep channel, water and wait. You can also sow them 2-4 weeks apart. The bees love it.
![Image](http://i3.photobucket.com/albums/y55/brigarif/Annuals%202013/DSC_0359_zps5d96f59c.jpg)