About Monarch Landscaping, L.P Monarch Landscaping, a full service commercial and residential landscape company serving the Houston area for over 15 years, specializes in landscape design & installation, irrigation and landscape management for residential and commercial properties and home owner associations. Monarch's mission is to provide full service landscape design, installation and maintenance services for our customers built on long-term relationships. The foundation of a long-term relationship is built on hard work, honesty, attention to detail and superior customer service.