Landscape plans are required for certain projects subject to landscape standards or that receive a land use permit approval specifically requiring preparation and approval of landscape plans. Landscape plans must be approved prior to the issuance of a building permit or grading permit approval. City of Carlsbad - Landscape Plans Please note: You are currently browsing img residential landscaping dp environments that is 990x742px in size. This image is listed in landscape design plan ideas category. City of Carlsbad Landscape Plans, 990x742 in 334.47 KB.