spin one's wheels
to be in motion but to make no progress
I was spinning my wheels all week but I did not get much done.
Popular Easy to Grow House Plants
Rosette forming, epiphytic Bromeliad from Brazil will grow to 12inch. Needs bright light but no direct sun and high humidity. Should be planted in a potting mix containing sphagnum moss or peat. Susceptible to mealy bugs and scale insects.