From what i've heard, sativa grows a lighter green than indica in order to stay cool in the intense sunlight of the tropics. If you want light green ganja, you better grow sativa. My favorite sativa strain is Durban Poison.

Here is a list of strains to help you decide:
Marijuana seeds - how to buy good seeds. Great weed pics !
Peaceful Jib Reviewed by Peaceful Jib on . Light bright green Strains!!!! Are there any strains that finish a super light bright green color? or does it depend on your growing conditions or phenotype thanks for any help given peace! Rating: 5