This new Ordinance applies to you if you are: Newly installing landscape or replacing more than 50% of existing material (except replacing like for like (such as replacing grass with grass). And if the area being landscaped is 5,000 sq.ft. or larger in R-1 and R-2 (Single-Family or Two-Family Residential) zones or 2,500 sq.ft. or larger in all other zones.