Tomato issue - Catfacing
Catfacing makes tomatoes appear deformed. The blossom end is rippled, bumpy and lumpy.
If possible, plant tomatoes a little later in the season. Make sure the weather has truly warmed up enough to support proper tomato development. Devices such as a "Wall of Water" - a circle of water-filled plastic tubes - raise temperatures near the tomato and help keep them high enough on cold nights to prevent cold-related problems. Using black-plastic spread on the soil can also help. As the plastic heats during the day, it releases the heat back towards the plants at night. Black plastic can be used as a temporary measure until the temperatures warm up enough that it's no longer needed.