Smurfs Saplings 1.0.7

Start near a bank with a steam staff eqipped or in your bank. You need seeds, filled pots, a trowel and astral runes in your bank.

Can be a decent money maker if prices are right, check https://oldschool.runescape.wiki/w/Money_making_guide/Growing_palm_saplings

At the time of writing this dragonfruit saplings are 7m an hour profit, obviously the issue though is with buying that many seeds