m0useanswered grow question 41m ago as soon as the seed breaks the ground and the leaves/Cotyledon are visible it is in veg.
Veg is a wide term from seedlings to adolescent before getting flipped to flower. that is if its a photoperiod and does not automatically flip like an auto.
all your plants in that photo are in veg, some are just bigger/older. you can veg out a photoperiod for a very long time..