Can't really tell what you have...
At my house, I plant asclepias seeds in the garden as soon as they are ripe.
The only asclepias that I've ever had a problem with winter planting is the tropical milkweed.
Theres a number of threads where we discuss the difficulty of growing milkweeds here in the southeast... You will want to plant the like carrots.
The thread "Milkweed and Monarchs (is this a young monarch)?" in
Gardening for Butterflies, Birds and Bees forum
