Tick anything you already have, in any order. Quests unlock once this is done.
A kit saves you sourcing charcoal and sphagnum in tiny amounts. Any lidded jar works as the vessel if you would rather spend the money on plants.
2 things left above. Quests are real things you go and do, so they only make sense once you have what you need.
First one waiting: Layer drainage, charcoal and soil