These smallest of my garlic cloves were broadcast in an empty cold frame on December 14th, about five weeks ago. They were just on the surface, then covered with an inch or two of well aged leaf mold. An inch of good garden dirt would have been a good alternative. The following shot shows their progress to this morning:
Sprouted garlic, January 18th, 2012
The much larger cloves that were planted directly in the garden, are just now beginning to sprout, and do not have the darker green color of the cold frame garlic sprouts:
Some yellowish sprouts just breaking the soil
The cold frame seems to be really helping to get the undersized cloves started.