soma nyc diesel grow info needed

hello people just wondering if anyone had growen nyc diesel from soma before as i got 2 from pickn mix seeds and there not doin well at all iv also got blz buds and supersilver haze there all goin fine. is this a weak strainor hard to grow ? cheers people

i put one of the supersilver haze next to them so u can see the difference

they all look the same