Butterfly Weed Seed

Yield 70 - 100 gr plant. Researchers are seeking more effective means to flush out these dormant seeds through multiple stimuli Egley, 1986. Hi can I put my seeds straight into soil and put my led light on them or do they not need light until they sprout.  Source: <a href=http://hothyipsmonitor.com/Forum/showthread.php?tid=44621>http://hothyipsmonitor.com/Forum/showthread.php?tid=44621</a>