Purple #1 is a marijuana seed variety developed and exported from Amsterdam, Holland. The Dutch Passion seed company produces these seeds. The literature from Dutch Passion is as follows: "Sativa/Indica. A strong plant and easy to grow. Purple afghan seeds have been crossed in Holland with Indica and Sativa varieties since 1983. The plants are fully adapted to the Dutch climate and have a respectable yield. Calyxes turn purple starting at the beginning of flowering. Up to 90% of the plants turn purple. Very good high." These seeds cost 60$ US for 10.