On single family homes the tenant is always responsible for landscaping and snow removal.
On 1 to 4 unit properties tenants are responsible for landscaping and snow removal.
Typically tenant with lowest unit number will be responsible for the grass cutting and landscaping.
Normally the tenant who wants to get out of the parking lot earliest will have to dig him or herself out.
For 4 units and above landscaping and snow removal are usually taken care of by the owner.
Check out more details on the individual property level at http://ohiorental.info.