1.Black Rose and hybrids if you can find it.
2.Double Purple Doja and hybrids if you can find it.
3. Real GDP.
4.Deep purple.
Others I have not personally tried but have good reviews or look promising. Purple Chitral Kush, Peyote Purple, Querkle, Killing Fields, Purple Pakistan.
do u have the gdp cut or seeds? i would run that cut most of my garden. great stuff. it has alot of great traits i got lotsa purple genetics but it has yield a total package
Soul Assassin Crew #3 (OGkushman) The strongest and dankest purple I have seen. Riot seeds carries S1's. Kinda of expensive at $160. His description is dead on.