My hair needs to be longer to curl - I'm growing out a super short cut (for six months now) and I'm just now beginning to get "my real curls" - although, once they get long enough to make a ringlet, they'll curl to the root - just not when it's shorter. Odd,I know.
Modified CG since Dec 2011
Growing out super short cut

High porosity, fine, unknown curl type, somewhere in the 2s at the moment
Mostly low poo
Current rotation includes:
Wash: Yes To Carrots -Condition: Yes to Cucumber, Nature's Gate Jojoba, One C - Stylers: Deva volumizing foam, Deva UDG B'Leave In, Foxy Curls Hi-Def Curl spray