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Posts Tagged ‘spatial design’

Boston hemlock

Posted in Biodiversity and Biophilia, Gristmill, Landscape architecture, Plant management, What we're thinking, tagged , , , , , , , on July 2, 2011 | Leave a Comment »

The other day I was on Beacon Hill and spotted this mostly dead hemlock tree, completely swathed in Boston ivy:

Though this hemlock tree on Beacon Hill is dead, its stripped-down structure maintains usefulness, as Boston ivy covers it entirely with foliage.

Perhaps the owners were simply neglecting their courtyard garden, but I like to think that they saw the mature tree’s size as an asset to the place, and decided to use the deadwood as an armature for another plant, and to use the resulting ‘hybrid’ as a garden element.

I have seen this strategy used with other trees; an ancient, mostly dead apple through which a vigorous rose climbs and blooms, tiny dead crabapple that hosts a clematis vine, and a couple of thriving Norway maples through whose canopies wind equally thriving wisteria vines.

We see bittersweet and poison ivy taking advantage of the height and sun exposure offered by trees; why not use that principle and foster the growth of ornamental vines over dead trees, or, as in the case of the Norway maples and wisteria, let one aggressive species provide a platform for another aggressive species?

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Renaissance view

Posted in Deb's posts, Gristmill, Landscape architecture, Places, Plant management, tagged , , , , , on June 18, 2010 | 1 Comment »

Don’t you love that new header? Toby took the photo at the Crane Reservation in Ipswich, a property of The Trustees of Reservations. He said that for him it has the quality of an oil painting; I agree completely. It has that same dark/light/dark sequence, that same frame/focal point/background flavor as a painting by an Italian Renaissance painter.

At the Crane Reservation, Toby writes, “It looks like The Trustees have deliberately maintained the opening to the view, and that the late-afternoon light, raking across the marshes and the bark of the trees, is what makes it work. I like the light on the ground-layer plants.”

The whole ravishing photo.

Here’s an example of landscape management supporting a design intention. Sometimes we design places with stone, wood, earth, metal, and plants; sometimes we design views, and tweak a visitor’s perception of a place by what we leave in, what we remove, and how we frame and focus what they see. Obviously, a photograph can be manipulated to do these things, but sometimes a photograph simply records a perception that has been shaped by others, as The Trustees have apparently shaped the Crane Reservation view.

A view framed by dark elements, a view into a light space, a view toward water, a view toward curves — what a pleasing combination. I want to take a bite out of this photo.

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If a tree falls in a garden…

Posted in Deb's posts, Gristmill, Landscape architecture, Places, Plant management, Plants, tagged , , , , on June 15, 2010 | 1 Comment »

The massive four-stem Norway maple that blew down in high winds last week.

Following up on the list post item from June 9, about what to use to replace a lost Norway maple: it will be a honey locust (Gleditsia triacanthos inermis ‘Shademaster’), placed slightly upslope from the Norway stump.

Last week I visited the North Shore seaside site (where last year we revamped the drive court planting and added bamboo and holly for property line screening; to read about those projects, see Refinement and Air Spade In Action) and saw the spatial effect of losing this tree.

Surprisingly, the loss wasn’t as bad as I had thought it would be. The tree’s canopy had taken up a huge amount of space and cast deep shade over quite an area. It had screened my clients from an unappealing view of the corner of their neighbor’s house — but also from a wider view of the Boston skyline in the distance. Now the horizon is wider; they’re going to have a spectacular view of the city’s July 4 fireworks. While the neighbor’s house is unfortunately visible for the moment, the honey locust will mitigate that view. A younger specimen maple just over the property line, which had been hidden by the larger tree, looks healthy, and helps provide a perspective-focusing foreground to the far horizon.

Fortunately too, while the tree provided shade over a wide area of the site, much of its underplanting consisted of junipers and taxus, which should benefit from having more sunlight. The redtwig dogwood, azaleas, and hydrangea will think a bit about how much they like being exposed, but I think they’ll adapt. Even the little spring shade garden should fare all right, protected as much of it by a dense shrub planting from full sun exposure. Many of the herbaceous plants in it are ephemeral anyway, showing up in early spring before any trees leaf out, and fading back as foliage emerges above them.

Shade cast by the now-gone Norway maple protected the little spring garden and its ligularia circle at the path's end.

Our biggest concern for this newly sunny area is the ligularia bed. This bed, banded with a circle of bluestone, makes the southern terminus of a sightline through the tiny spring garden. The ‘Britt Marie Crawford’ ligularia, with its chocolate-brown foliage and golden spikes of flowers, makes a ravishing dot at the bottom of the exclamation point. And it’s a shade lover.

Ligularia 'Britt Marie Crawford' in its circle bed.

It may not be at all happy to be getting sun all day every day. My hope is that it can handle it well enough for long enough to feel relief from the kinder, more dappled shade that the new honey locust will eventually cast.

This site has seen several mature trees come down since last year; neighbors next to the drive court removed a large maple and a lovely S-shaped pine, an ailing ash tree got taken out, and a graceful Russian olive specimen, some 20 feet tall, blew down in the same storm that took the big Norway maple.

Each subtraction has shifted the sun/shade proportions, and each will affect the growth and health of the surrounding area. This kind of change requires adaptation both by the plants and by the owners, and provides opportunities for new ways of seeing a familiar place.

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Grist for the mill — landscape architects talk

Posted in Deb's posts, Gristmill, Landscape architecture, Toby's posts, Walls, What we're thinking, tagged , , , , , , , , , on June 9, 2010 | 2 Comments »

Every now and again Toby and I get together at a local coffeehouse to talk about our practices and about landscape architectural issues in general.  Conversation never lags — as we did when we worked together at Copley-Wolff, and over meals with other LA friends, and even before then, when we were both grad students at Cornell, we find plenty to talk about.  And we generate plenty of ideas for blog posts.

The thing is, once we’ve talked it seems harder actually to write the posts we’ve talked about.

Yesterday we had a long-overdue confab.  As always, it was refreshing  and fun to discuss our professional lives through the filter of a longtime friendship.  We mined a vein of topics that covered, as always, a pretty wide territory.  And once again, I made notes on what ideas I wanted to write about later.

This time, however, it dawned on me that the gulf between talking and writing would loom in front of us again, no matter what notes I took.  The solution — at least for the moment — is simply to post the list of topics we covered.  Here’s our list:

  • Apple crumb cake or two-chocolate mousse?  Brain food is important, and sweet selection really was our first topic as we stood at the counter.  Apple crumb cake won out.
  • Parcel 18 on Boston’s Rose Kennedy Greenway, and the clearing out of a rose thicket underneath a group of Dawn Redwoods (Metasequoia glyptostroboides).  Now you can understand the design intent of letting the trees form a grove.
  • The proposed Armenian Genocide Memorial, proposed for construction near Boston’s North End on the Greenway.  A labyrinth?  Really?
  • Flat, graphic designs as a substitute for spatial volumes with permeable enclosure.
  • The idea of letting the Greenway grow in and develop a character for a period of several years before adding buildings to it.
  • London Plane trees moved bare-root last summer.
  • This summer’s ISA Conference and Trade Show in Chicago.
  • This summer’s ASLA Annual Meeting in Washington, DC.
  • Priceline.com, or the other one that isn’t priceline but also isn’t as easy to remember. (Afterthought: quikbook.com is worth a try too.)
  • Toby’s web site.
  • The Parsley.  Not long ago, she posted a couple of really smart landscape architectural reviews of Chicago’s Millenium Park.  She wrote not only about the Iconic Big Moves (the Cloud Gate, aka The Bean, the Lurie Garden, the Crown Fountain), but also about the less glamorous but important issues of circulation, edge-making, enclosure, detailing, sight lines, and wayfinding. In the opinion of the one of us who’s been there, she nailed it.
  • College reunions.
  • Older parent/family issues.
  • High school reunions.
  • Labyrinths, cathedrals, pilgrimages, and minotaurs.
  • Baby garter snakes and fledgling mockingbirds.
  • Design strategies for linking the North End Parks on the RK Greenway with the southbound Surface Road — street-theatre-promoting terraces and broad steps could add charm, access, and character to a peculiarly bulwarklike edge.
  • The enormous effort involved in designing tree plantings for the Greenway given its intensely utility-rich subgrade conditions.
  • The pros and cons of prefab tree boxes.
  • The merits and hazards of being quoted by reporters.
  • Permeable pavement, and when it isn’t.
  • Silver Lake in Wilmington, MA, its role as the headwaters of the Ipswich River, and what’s being done to make its watershed work better.
  • A huge multi-stemmed Ilex opaca — 50′ tall — in Wilmington.
  • Walden Pond’s water level this year (very high, due to heavy spring rains).
  • The LID Center and its building on decades-worth of knowledge and experience (Ian McHarg and Design With Nature, Andropogon, etc.)
  • Bing birdseye photos as a useful way to see a site online.
  • Garden Design magazine as an advertising delivery system (but not ours).
  • Fine Gardening magazine.
  • Subtext in garden design magazines.
  • The New York Times‘s increasingly goofy treatment of landscape and horticulture, including their astonishing discovery of the tree lawn, aka the “parkway” (Illinois) or “verge” (Britain).
  • CEUs for Connecticut and New York landscape architects.
  • What grows in the shade of a Norway maple and what will grow in the same place after it’s gone — in reality and in metaphor.  Massachusetts had severe and blustery thunderstorms this past Sunday, and hundreds of trees came down around the Commonwealth.  I had three calls about downed trees the next day.
  • Avant Gardens in North Dartmouth, MA.
  • Sylvan Nursery in Westport, MA.
  • Lobster rolls, eggplant fries, and strawberry rhubarb pie at The Bayside in Westport, MA.
  • Fertilizer.
  • Bacterial counts.
  • Young Goodman Brown by Nathaniel Hawthorne.
  • The possibility of designing a series of wooden stairs to run down a slope dominated by a client’s ancient and beloved Sugar Maple, rather than installing stone steps that might damage its roots.
  • Native plants for parking lots.
  • Volunteer barberries.
  • Stone walls.

Truly.  One conversation.

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Up and down at Naumkeag, Part 1

Posted in Deb's posts, Miscellaneous, Places, Steps, tagged , , , , on October 10, 2009 | 1 Comment »

What do we see if we look at one place through a particular lens? Last week I was out at Naumkeag in Stockbridge, MA, and found myself appreciating the wide vocabulary of ways that Fletcher Steele used to get garden guests up and down the slopes. Here’s a partial list:

Brick and brownstone steps from the upper lawn terrace down onto the walkway above the peony terraces. It's unlikely you'd see anything this idiosyncratic (narrow, curves with almost no tangents on the treads, funky riser/tread ratios) built today.

Brick and brownstone steps from the upper lawn terrace down onto the walkway above the peony terraces. It's unlikely you'd see anything this idiosyncratic (narrow, curves with almost no tangents on the treads, funky riser/tread ratios) built today.


Two steps down a grass ramp to a grass landing. How do you navigate your wheelbarrow up and down the steps? Use the wheelbarrow ramp, of course.

Two steps down a grass ramp to a grass landing. How do you navigate your wheelbarrow up and down the steps? Use the wheelbarrow ramp, of course.


Grass steps with stone risers welcome visitors coming in from the Lych Gate on the right This stairway is really a series of little terraces that tame the slopes converging in that corner of the South Lawn.

Grass steps with stone risers welcome visitors coming in from the Lych Gate on the right This stairway is really a series of little terraces that tame the slopes converging in that corner of the South Lawn.


It's a stair, a ramp, a runnel, a runway. It shows you where to go, and incidentally holds level the top edge of the South Lawn and Oak Terrace.

It's a stair, a ramp, a runnel, a runway. It shows you where to go, and incidentally holds level the top edge of the South Lawn and Oak Terrace.


And, of course, can't leave out the Blue Steps, Mabel Choate's path down to her cutting garden. Riser/tread ratios change with each step; high risers and short treads at the top of each run graduate into low risers and long treads by the bottom, so that each white stair rail above the step noses scribes a parabola in the air, rather than a straight line.

And, of course, can't leave out the Blue Steps, Mabel Choate's path down to her cutting garden. Riser/tread ratios change with each step; high risers and short treads at the top of each run graduate into low risers and long treads by the bottom, so that each white stair rail above the step noses scribes a parabola in the air, rather than a straight line.

Naumkeag, the Choate family estate now owned by The Trustees of Reservations

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How we see and how we say it

Posted in Deb's posts, Education, Miscellaneous, What we're thinking, Working Landscape, tagged , , , , , on September 25, 2009 | Leave a Comment »

Toby’s latest post in his site engineering series reminded me that there’s yet another consideration in how we define slope — the audience to whom we’re communicating. When I’m discussing the pitch of a walk with another landscape architect, I’ll talk about it as a percentage (“From the wall to the driveway the walk slopes at 3 percent, with a consistent 2 percent wash”) When a contractor looks at a slope, he tends to see it as a ratio (“So I’ll set the stones to slope a quarter of an inch per foot, then”). This switching back and forth was confusing to me at first, but then I realized that the language (slope) is the same; it’s simply a matter of mastering the various dialects (ratios, percentages, decimals).

(Several years ago I had a meeting with one of the chief engineers on Boston’s Big Dig, about some grades one of the downtown tunnels. We chatted for a while, and he batted around elevation numbers with amazing facility. For me, physical slope is easier to visualize than numbers, and I still work at making the conversion from physical form to numeric form. I asked the engineer how he understood slope — as form, or as numbers — and he told me that the numbers were an easier way for him to conceive of it. He could read the slope simply from seeing the sequence of station numbers. It was remarkable to me that he could envision the nature of the grade this way, and showed yet another way of conceiving of slope.)

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Tilted planes

Posted in Deb's posts, Materials, Miscellaneous, Places, What we're thinking, tagged , , , , , , , , on August 14, 2009 | 5 Comments »

To digress just a little from the line discussion: That Parc Citroen photo puts me in mind of the Cornell Arts Quad, around which are ranged some of Cornell’s most historically and academically significant buildings. The Arts Quad is huge (obviously not what it has in common with the Parc Citroen lawns shown), and there is a several-foot (eleven feet?) grade change from east to west, along its short axis.

Cornell Arts Quad looking north to south. The tipped plane displays the lawn more prominently to those walking along the west side and looking east, as an open box of candy looks more appetizing when held at a slant to display its contents better.

Cornell Arts Quad looking north to south. The tipped plane displays the lawn more prominently to those walking along the west side and looking east, as an open box of candy looks more appetizing when held at a slant to display its contents better.

When I was a student there in the late 80s, and in the throes of learning how to analyze sites, I realized that the Arts Quad’s tilted plane created a perceptual wall for anyone walking along the west side, looking east and uphill. Standing at the bottom of the lawn and facing east, your eye perceives more lawn even than is actually there, because the plane is slanted rather than flat. In Parc Citroen, the tipped planes of lawn feel similarly more available to the eye from the walks along their low edge.

Using this kind of quiet grade manipulation can let you create a sense of greater green space than may really be available. Horizontal planes give you two axes — horizontal and vertical — to read, while tilted planes give you a more complex experience. I think that controlling the ground plane’s edge makes the experience more readable, as in this Halvorson-designed tilted plane at the Boston Federal Reserve Bank,

Tilted plane of lawn at Boston's Federal Reserve, with South Station behind. This cylinder of stone and grass is actually part of the Fed's security system -- no one can drive a truck through it to hit the bank's glass walls, just to the left. But you don't read it as a giant bollard; you read it as a big pad of lawn, elevated and held out to your eyes on a stone tray.

Tilted plane of lawn at Boston's Federal Reserve, with South Station behind. This cylinder of stone and grass is actually part of the Fed's security system -- no one can drive a truck through it to hit the bank's glass walls, just to the left. But you don't read it as a giant bollard; you read it as a big pad of lawn, elevated and held out to your eyes on a stone tray.

or at Park Citroen. Where the plane continues to buildings (which accommodate the grade change), as in the Arts Quad, the effect is more subtle.
Now that's a controlled edge.

Now that's a controlled edge.

Manipulating the ground plane with a wash is a fine way to tweak how a space is perceived, and to give it more quiet complexity.

Cornell Arts Quad photo taken by Anjum and supplied courtesy of Flickr.

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No photos here

Posted in Deb's posts, Materials, Plant management, Plants, What we're thinking, Working Landscape, tagged , , , , , , on July 24, 2009 | Leave a Comment »

What is a landscape architect doing writing about these methods of tree planting and moving? Well, for one thing, I don’t like to waste woody plants. Planting an ingrown-root tree (or even a healthy one) in a new landscape without attending to the tree’s requirements — for rooting space, for decent soil porosity, for adequate moisture, for sufficient gas/air exchange at the root flare, for sufficient light, among other things — can lead to the tree’s being stressed, declining, and dying in relatively short order (a typical urban street tree lasts 7-10 years, and is in decline for most of that time). That seems a waste to me.

A tree represents a lot of energy. A tree is a system, as well as a component in a larger system. And my design work takes place in a larger system, too — that commercial system, where clients hire me to make comfortable, beautiful, gracious outdoor spaces for them. The more knowledgeable I am about these big, organic, living design elements, these systems, the better my built projects will be, and the more sustaining and sustained they will be, as well. If the best advertisement for a landscape architect is the landscape we design, then it makes sense for us to know a lot, and to use what we know, about the biggest elements we use in that landscape.

Wait’ll I start writing about water….

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Either, or, or both

Posted in Miscellaneous, tagged , on November 13, 2008 | 4 Comments »

These last few posts about the nature of a central space as opposed to a central object lead to a question:  are we looking at places from a formal standpoint (the void as center, with building mass and plants as enclosing elements, for instance), or from a personal-experience standpoint?  

The answer, of course, is both; the two do intersect in places, and ideally we are able to explicate both from a personal point of view and with a solid grasp of the formal qualities of any place.  

Photos help a huge amount in some of this, though they can, in their two-dimensionality, be pressed into the service of a point to be made — that is, they’re not necessarily objective.  Using a plan photo paired with a perspectival one, as Toby does with his Salk Institute post, is a good way to triangulate a point, and really pin it down, with graphics.  Explaining how it feels to be in that iconic courtyard, and what it looks like and how it operates, connects the personal experience to that formal/functional design intent.

And then sometimes, no words, or at least very few, are necessary, as the Graces post shows so beautifully.

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Isabella Stewart Gardner Museum

Posted in Miscellaneous, tagged , , , , on November 3, 2008 | Leave a Comment »

Last week I joined two friends from Kansas on a visit to the Isabella Stewart Gardner Museum in Boston.  It’s a stunning building, and houses an astonishing collection of Western art.  The collection ranges from a slew of Italian Renaissance paintings (including a Piero della Francesca ‘Hercules’ in which Hercules holds a wooden club in front of him; in that foreshortened stick of wood you see the static compositions of Medieval art cracked open to reveal a new and exciting way of seeing and depicting reality) to lots of European ecclesiastical paintings, vestments, furniture, and decorative pieces; to a nifty collection of nineteenth-century drawings and lithographs by Degas, Matisse, Zorn, and others; to Dutch and Flemish paintings from the 15th century onward, and on and on.  As Mianne said about Mrs. Gardner, after seeing several of the galleries, “She was a shopper.”

The collections are housed in the most fantastic neo-Venetian palazzo.  By stipulation of Mrs. Gardner’s will, they are exhibited in the order and configuration she decreed, and they must remain as they are. Should alterations, additions, or subtractions be made, the entire collection would have to be sold, and the proceeds would go to Harvard University.  Now that’s some control.  

In 1990, several paintings and some drawings were stolen.  The paintings were cut out of their frames; the frames themselves still hang in the galleries, and discreet notes record that the paintings they held have yet to be recovered.

Anyway, back to the building and the art.  I have loved this building since I first saw it on a college field trip.  Mrs. Gardner, a traveller, loved Venice and antiquities; she collected ancient architectural fragments from all over the place, and hired a group of Italian masons and builders to erect this pink (on the inside) Italian palace on Boston’s Fenway.  The four-story building is a hollowed-out rectangle in plan, with a full-depth atrium at its center.  Windows look out into the atrium from all the galleries, and a cloister wraps around three sides of the garden courtyard at its bottom.  

The column of space enclosed by the atrium is one of the most wonderful things about this building.  Visitors are prohibited from entering the courtyard; light falls into it from the galleries and from the glass roof above — so the air in it is still, pure, and light-filled.  With its low carpet of ground cover, crushed stone paths and central mosaic pad surrounded by flowering plants and foliage, and the trickles of water falling from stone fish into a deep stone pool at one end, the quiet, quiet courtyard soothes a city-frazzled visitor like few other places in Boston.

(The other Boston institution comparable to the Gardner Museum is Fenway Park, which lies about a mile away and is also a still space enclosed by building form, set in the dense, dense matrix of the city blocks.)

On this visit, the courtyard drew me to it over and over again, as usual; its quietness seems to absorb the jangle of the city and replace it with deep calm.

The art, though, seemed tired and dusty — something I’d not noticed before.  I don’t know if the museum is holding off on conservation until its expansion is done, or if they don’t have funds, but I had the sense that the place needed a good wash, the art needed to be dusted and cleaned, and the furniture could use some oil and wax.  (I’m not a compulsive housekeeper, either, so for me to notice this stuff means it’s got to be really evident.)  

It may be, of course, that because we started through the galleries in the dwindling light of afternoon that things looked especially dingy; windows seem to provide most of the museum’s gallery light.  One of these days, though, perhaps the Gardner will begin to clean its paintings and spruce up the furniture; I’m sure what we’ll see underneath the old dust and grime will astonish even more than it now does.

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