Landscape Architect & Specifier News

JAN 2016

LASN is a photographically oriented, professional journal featuring topics of concern and state-of-the-art projects designed or influenced by registered Landscape Architects.

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76 Landscape Architect and Specifier News trees and flowering plants that require more water have been planted directly adjacent to the home. Irrigation needs are minimal and restricted to plants near the house. Low-volume drip irrigation with flow controllers, moisture sensors, and timers further control unnecessary water use. There were several drainage issues around the site, all of which were managed by bioswales. The home follows a contour on the hill and acts as a dam for surface and shallow subsurface drainage. This water, along with roof water and runoff from the driveway and other paved surfaces, was successfully redirected to bioswales. Even flush water generated by a state-of-the art climate control appliance ends up in one of the swales, where it is used to irrigate a patch of native Douglas iris. Set in a native landscape with abundant wildlife, this project minimizes light pollution by using Vista Professional Outdoor Lighting LED landscape lights and WinonaLED step lights, which enable precise light intensity and minimal lighting spill. Additional manual switches and light sensors prevent unnecessary use of energy and lights. A close collaboration between architect, landscape architect, engineers and contractors ensured a high level of consistency, precision and an opportunity to integrate sustainable features. Above, Left A winding path leads from the home to nearby downtown restaurants and shops, giving the homeowners the option to walk from one location to the other. The path is constructed from decomposed granite with granite and juniper wood steps. Juniper is an invasive species in the area, and the wood used for the steps is a byproduct of restoration efforts. Right The transition from the native landscape of giant wild rye, sheep's fescue, and hummingbird sage, to the built environment is eased by the placement of granite boulders. Below, Right The home's garage has a green roof with perennials, drought-tolerant ornamental grasses (Idaho fescue and sheep's fescue), and shrubs that echo the surrounding native vegetation. The landscape's minimal irrigation needs are controlled with moisture sensors, timers and flow controllers. Most of the plant material is native and drought tolerant; a select few trees and flowering plants that require more irrigation are placed close to the home. Materials Poured-in-place and preformed concrete. Grasspave2 by Invisible Structures, Inc. LED lighting VistaPro landscape lights WinonaLED step lights Locally sourced granite boulders Locally sourced decomposed granite Locally sourced juniper timber

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