This is as good as Granddaddy gets. This is a huge producer of sweet purple grape flowers! This is stronger and bigger yielding than the original.  We took an amazing Grand Caper(Grandaddy x Purple Caper) male and crossed it with the best Local bay area Granddaddy clone! These grow fast and yield big! Great commercial producer  indoors or out. This is a perfect beginner plant, and a great performer in the garden.  These finish in 8 weeks, and are half purple and green. If you let her go 9 weeks the flowers will become completely purple!