Landscape design   Following are examples of various types of sub-headings used that may be helpful. There are MORE!

Landscape design--21st century.

Landscape design--Australia--History.

Landscape design--Brazil--Exhibitions.

Landscape design--Case studies.

Landscape design--China--History.

Ecological landscape design

Gardens-Design

Formal gardens--Design.

Planting design

Urban parks - United States - Case studies.

Wetlands landscape design

playscape

play landscape

riverside promenades

urban farming landscape