You can't go wrong with herbs and spices. They grow fast and last forever
Stick to plants that grow well in your area. Some plants don't do well in hydroponics so if they don't
take to your system then replace them with plants that do.
Just buy small plants that grow in your area and carefully rinse with a hose or soak in water to get all
the dirt from the roots.
It takes a few days for the plants to adapt to the garden before you see signs of new root and plant