These plants have a 2-year 'growth cycle'. [=the plants live and die within two years]
The water is 'cycled' back into/through the system after it has been used.
We have to wait for the dishwasher's wash and dry 'cycles' to end.
(..) KAREN: - Okay. My dad never really gave me a lot of support... ...and I'm trying to break the cycle of shame. Uh, I'm in the middle of something. Don't cut me off when I'm complimenting you. TONY: - Uh, I'm at band practice. (..)2017 Spider-Man: Homecoming