Honor Award

Recovered Modernism: A Landscape Matrix Enriches a Dallas Hacienda
Dallas

Reed Hilderbrand LLC, Watertown, MA

  • Recovered Modernism: A Landscape Matrix Enriches a Dallas Hacienda
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    Site plan.
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  • Recovered Moderism: A landscape matrix enriches a Dallas hacienda
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    Low slung volumes set in turf grass announce their place in the modernist tradition and set a formal relationship of house to street.
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    Image: Mayer

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  • Recovered Moderism: A landscape matrix enriches a Dallas hacienda
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    One of the restored terraces¬¬–– once again a threshold between the lower level living spaces and the native woodland beyond.
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    A series of board formed concrete walls negotiates the edge between the lawn terrace and the woodland.
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    Image: Ward

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    An impenetrable wall of invasives had colonized the southern half of the site.
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    The planting strategy focused on reintroducing a gradient of diverse ecotypes, including restoration of the Texas blackland prairie. A series of narrow paths throughout allows the family to inhabit the landscape.
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  • Recovered Moderism: A landscape matrix enriches a Dallas hacienda
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    Limestone blocks from the site step across the stream at a shallow point.
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    A thin steel plane forms a crossing as the profile deepens.
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    Narrow stonedust paths scissor through the stream planting to the prairie beyond.
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    In autumn, the prairie is primarily a grassland, full of subtle shifts of color and texture.
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    View to the terrace across the Texas Blackland Prairie (above).
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    View back to the house from the prairie terrace.
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    A pair of chairs offers one of several places to inhabit the restored prairie.
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    View back to the house across a carpet of Parthenocissus quinquefolia in autumn.
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    A tapestry of riverine species moves along the stream corridor.
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Project Statement

For this 1981 Edward Larrabee Barnes House in Dallas, we saw our role as that of interpreter of the architect's original but unrealized vision. The pure volumes of the house were designed to negotiate the edge of a rich natural landscape. On a site since overrun by invasive exotics, we recognized that the landscape would require equally as intentional a hand. Our project was to recover, order, and make accessible a sustainable environment for domestic life.

Project Narrative

It's beautiful the way the contrast celebrates both the natural and controlled spaces. The juxtaposition of clean lines with the landscape provides resolution between what's manipulated and what's not.
—2013 Professional Awards Jury

Seizing latent opportunities

The Greenlee house is a masterwork of modern domestic architecture. Inspired by Luis Barragan's inventive houses and by vernacular ranch dwellings, Barnes shaped a dynamic composition of low horizontal volumes, punctuated by higher cubes, which define a set of courts and strike a noticeable regional character.

On this four-acre site, the house was conceived as a threshold between the cultivated streetfront lawns, enclosed domesticated courts and the wooded slopes beyond. The low horizontal volumes at the front do not reveal that once inside, the house turns its back to the street, steps down and opens up to the landscape beyond and below. These partially subterranean volumes comprise the primary living spaces and they are organized around a direct connection to the landscape.

Ironically, with the exception of two terraces that extend along the building's lower level overlooking a stream that runs through the center of the property, the majority of the property was never designed or managed. It was assumed that the nature would be static or even self-regulating, requiring little if any intervention. The result of this architectural conceit was that over the years invasive exotics endemic to the stream corridors of Dallas' suburban fringe had emerged to consume the site, obscure its features, and deny any connection between building and landscape.

Extensive removal of invasive exotic vegetation at the outset of the project revealed a matrix of conditions from an undulating creek-carved landform of shallow soils and exposed limestone to an upland remnant of rare native Texas blackland prairie and savannah that once characterized this region and within which grew the extremely rare Sticky Gay Feather, Liatris glandulosa. Across the site we discovered a rich mosaic of ecotypes and microclimates lying latent and poised to be cultivated and given expression.

We made it our task to extend the original but unrealized intentions of the house into the landscape, to enable connectivity and passage through the site, and to build a landscape of exploration and discovery for a young family, by fully developing the unique ecotypes uncovered on the land.

Discovery and Engagement

Our approach seizes the opportunity presented by the juxtaposition of a rational building and the site's diverse native character. Developing a narrative based on moments of contrast, passage and threshold, our strategy establishes several progressions of character across the landscape: from upland to lowland, from cultivated to wild, from shaded to open, and from precise to diffuse.

The plan rehabilitates the stone terraces along the house in their original modernist language; extends new terraces for outdoor living onto the slopes of the stream corridor, and rehabilitates the drainage swales that reach toward the house with water-seeking plants of great textural variety. Perhaps most importantly, our work foregrounds a dedication to species preservation. Discovering a small patch of Texas blackland prairie and savannah, which once characterized this landscape, the owner agreed to preserve and expand this rare resource. In part through hand harvesting seeds from the Liatris glandulosa and sowing them each year, the prairie has been slowly expanded.

Linked by bridges over the stream, a series of circuit paths through the landscape matrix offer a variety of ways to casually experience the garden and engage in exploration, play, and bird watching. The unique limestone glade prairie serves as the culminating space within the site's narrative.

Sustainability and Resilience

This project is an object lesson that sustainability and landscape preservation, especially in sensitive ecologies, require intervention, management, and maintenance. For the new streamside gardens, natives and naturalized plantings were selected for their ability to meet the cultural requirements of the varied microclimates and soil conditions, and to compete with invasive exotics. The plant palette is resilient against frequent flash flooding, and strategically placed boulders and weirs now temper the stream's erosive forces and mitigate flooding downstream.

In Dallas, where water is a limited resource, this project has a sense of abundance while not being consumptive. Prairie and woodland species are exploited for their low water requirements and lawn is limited to the street front and one of the courts—a strong contrast with the neighborhood's pervasive use of turf grass.

As a woven matrix of clearly defined and intentionally expressed terraces, paths, and plant communities that respond to the topographical, hydrological and light conditions of the site, the landscape transforms the original concept of the landscape as an abstraction to be viewed from the building into a living system to be supported, experienced, and occupied as an extension of domestic life.

Project Resources