Purple OG #18 is a combination the 3 time Cannabis Cup champion The OG #18 and one of our best selling strains Purple Wreck. The Purple OG #18 is the only Purple available in seed form that actually gets you high and keeps you there... With the strength of the OG #18 and the yield of the Purple Wreck. The Purple OG #18 flowers in 8 weeks making multiple crops in a year possible. With the strength and yield of Purple OG #18 now there’s a purple strain that actually gets you high!