They'll survive, but catch pots will help you. When you water, if you have 1/2 or so of water in the catch pot, then its gone in a few min, that will tell you that it ran down the sides of the pot, & the missed (dry) sections of soil sucked up (capillary action) the run off. Add more water till they stop sucking up the run off, then dump excess out of the catch pots. Catch pots are a gardeners friend