Landscape Architect & Specifier News

JAN 2017

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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January 2017 47 wanted most of the wall to be tall enough so people couldn't see over it, but we also wanted visitors to get glimpses of the garden spaces beyond." "We worked closely with the garden's horticulture staff to determine the most suitable plants for the climate and their maintenance capacity," said Broussard. The wall features 5,000 plants in 302 modules, with 16 plants per module. Plants include Mondo grass, Mexican heather, Silverdust Dusty Miller Maritima, Compact Sprenger asparagus fern and Ruellia dwarf white. "There's also annuals sweeping along the wall down to the ground and wrapping back up onto the wall," Broussard added. City Park selected cool weather plants to create an autumn theme for the green wall's debut. The planting began in May at the headquarters of Rotolo Consultants, Inc. (RCI), a full service landscape contractor based in Slidell, La. Left: The green wall features 5,000 plants in 302 modules, with 16 plants per module. Each module includes four hanging brackets and growing media, and is 19 inches wide by 22 inches tall. Middle: As the garden was created during the WPA era, circa 1930s, many of the underground utilities were unmarked and required test diggings for the foundations. The green walls are freestanding. The mounting structures are 5" x 5" x ΒΌ" galvanized steel posts. The height of the posts ranged from 5' to 17', installed at a 6' depth in the ground to withstand the next hurricane that blows by. Right: The modules were assembled with the soil medium inside fabric bags at the nursery, then laid under shade. Selected plants include regular Mondo grass, Silverdust Dusty Miller Maritima, and compact Sprenger asparagus fern. Luis Andrade, a specification manager with Ewing, explained the plants were given five to eight weeks to get established, so as not to shock the roots when they were installed on the structural supports. PHOTO: EWING

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