You can sow eggplant,tomato(Cerry),Tomato(Determinate),parsley,dill.
You must disinfect olive tree with summer oil or imidacloprid+mineral oil for black olive scale.
You can start to prune your roses
(I am an agricultural engineer.My experiences and cartificates are agriculture,landscape and pest control.If you want you ask me your questions.I can help you)