… more on how complex hourly rates can be.
Dutch hoe and rake out weeds - unskilled labour and cheap tools so a lower rate is fair.
Set up a ladder or climb and prune trees with chain saw or pole saw and hard hat and deal with the resultant mess should cost considerably more.
Mixed jobs with a little of lots of tasks pick an average.
Don't forget all the other costs, transport, maintenance, business expenses, tax, insurance.......