4AM, Sour Stomper, and GSCE outdoors

Weather is finally starting to warm a bit, but tons of rain and overcast skies. Two of the plants (CDLC and GSCE) are both doing well size-wise, but the 4AM and SS are both really small. I think the poor weather during the beginning of the grow, along with only 5 hours of direct sunlight per day has really stunted them. That said...all plants look healthy, no nutrient deficiencies that I can tell, and only minor insect issues.