All the plants (well, all seven) are growing like crazy, strong and robust. However, I see holes, not quite as big as a pencil eraser, on many of the leaves. What's up and what should I do? Thanks!
Why Are There Holes in My Tomato Leaves?
Certified GKH Gardening Expert
It could be flea beetles, caterpillars (specifically Tomato Hornworm) or it may be a disease called Grey Leaf Spot.
These articles will help you determine which it is and what to do about it: