Landscape & Urban Design Issue 19 2016 | Page 18

T hese natural features add spatial definition and a sense of place. Criss crossing through the greenspace, gravel pathways connect people to shaded seating areas that provide sheltered work spaces. Alternatively, the open grass areas brings flexibility, acting as an amphitheatre for company events or simply as a space to lay out a picnic blanket. Native and adapted grasses, shrubs, and vines — about 20 different species — celebrate the diversity of the California 18 Landscape & Urban Design landscape and reduce irrigation needs. Particular plant varieties, including Cape Reed and Feather Reed Grass, attract beneficial insects and birds while providing food and habitat. Where irrigation is necessary, reclaimed water is used exclusively resulting in no impact on potable water supplies with the exception of the vegetable garden. The rooftop also contributes significantly to improved stormwater management and reductions to the heat island effect.