Question
Where can I purchase variegated lirope seeds ???

Answer
Hi Diane,
Thanx for your question.  There is usually someone on ebay with liriope seeds available.  Here are some other options.

http://hirts-gardens.amazonwebstore.com/Lilyturf-10-Seeds/M/B000WB4MJW.htm?traff...

http://www.b-and-t-world-seeds.com/carth.asp?species=Liriope%20muscari%20Gigante...

I am not endorsing any company, just providing examples.  I hope this helps.
Tom