Typically the one's rated for larger yields will generate larger buds/colas. That doesn't necessarily translate to best quality/smell/flavour though. Some common examples that produce well and large yields/colas would be Northern Lights, Blue Dream, Critical Kush. I recently ran some Pure Power Plant that grew some good size buds/colas for a relatively small plant, 24" plant (see pic below) and got 3.4 oz off it, looking to get 4-5 oz from a larger clone of that one. Good bag appeal and it's strong, like 20%+ THC, good commercial strain, but not the greatest flavour. I'm looking for a balance of big buds/colas/weight but it has to be quality, meaning get you ripped but also look/smell/taste good. I'll be trying a couple of my own crosses soon, just waiting for the seeds to mature, the one I'm looking forward to is a cross of that PPP and Blueberry, both potent strains, both good producers, should be a good yielder and the Blueberry should add some flavour/colour
Here's that small PPP I was referring to when it was drying:
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