Get those little guys in their own separate pots and pronto. Before their root structure start digging around the pot and get all tangled up with each other. Other than that they're good. Plants that size aren't going to drain that pot of it's moisture very much at all. Read into watering by weight.
After pots water = heavy. K they're good.
Dry pot = light. K they need water.
There's moisture below the surface.