How to Landscape a Slope Between Neighbors' Yards

Drainage is the most important landscaping issue for a slope between neighboring yards. Municipalities may allow site drainage to discharge into a storm drain or may require that runoff be handled on the site. Slopes need to drain so that the runoff is directed safely away from adjacent properties and structures by way of a swale, or shallow depression. Once the grade is set, the area can be seeded with grass or planted with trees and shrubs in a style consistent with the rest of the property.

Equipment and experienced operator
Topsoil
Seed or sod
Trees and shrubs

Instructions

- 1
  Install a swale at the bottom of the slope so that it carries runoff toward a storm drain or open space. Ensure that the slope drains into the swale and that the bottom of the swale is lower than the neighbor's property. Compact the subgrade before adding topsoil.
- 2
  Cover the slope and swale with topsoil and grass seed or sod as soon as possible following grade work. Plant trees and shrubs instead, if desired, but make sure drainage is not impeded. Plant trees several feet from the property line.
- 3
  Water landscaping carefully and avoid overwatering. Monitor the site drainage regularly, clearing any blockages as necessary.

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