Six inches would not be too far.
Earth to wood contact hardie siding.
James hardie siding and trim help withstand damage from moisture and rot resist damage from termites and generally require less upkeep than wood siding.
Use a chalk line and circular saw to cut a straight line then remove the siding waste.
Wood siding should be 4 or so from the ground whether that be soil or solid surface.
Its composition of silica sand cellulose fibers and cement make it an extremely durable and long lasting element.
Otherwise you may simply need to install pt wood that is rated for ground contact then cover it with 30 felt or tyvek then cover that with aluminum trim coil that matches the color of your siding.
This siding performs under extreme hot or cold conditions it is noncombustible and can slow down the progress of flames as well as help withstand a midwest blizzard.
This is what happens when wood siding is too close to the ground.
Unlike wood and many other forms of siding materials hardie board is.
When it is higher from the ground splashing water onto the wood is minimized.
Use some kind of peel and stick flashing to protect the underlying sheathing if there is any.
Aluminum and acq do not play nice so they need to be separated.
Then slip a piece of metal z flashing under the remaining siding install trim board under z flashing.
We ve been providing a better way to build for over 100 years.
The further the better.