Both the control and experimental have bolted, but the control is much smaller and slightly purple.

Mutant Experimental pot 4 and Mutant Control pot 4.

They have bolts, the control only has one but the experiment has 2. The control has many purple leaves.

 Mutant experimental and Mutant control pots 4

 Mutant experimental pot 4, Wild-type Experimental pot 4, Wild-type Control pot 4, and Mutant Control pot 4.

 Wild type control pot 4 and mutant control pot 4

 Wild type experimental pot 4 and mutant experimental pot 4

 Wild type control pot 4 and mutant control pot 4

 Wild type experimental pot 4 and mutant experimental pot 4

 Wild type control pot 4 and mutant control pot 4