Recent Work

One of my crews has been planting fall containers full time and just about non stop for going on a month. I suspect we will be able to finish up by the end of this coming week. I am pleased that the warm weather has finally retreated. Really? Great seasonal container design is all the better for the inspiration that comes standard issue from nature. Our most colorful season is nigh upon us. The dogwood leaves have turned red and orange. The green leaves of the oak leaf hydrangeas everywhere are trending towards maroon. At the shop, the leaves of a single branch on the 5500 square feet of wall covered in Boston ivy are a brilliant red. This is a signal. Our fall season is underway. Cooler temperatures are a signal to deciduous plants to shut down their production of chlorophyll. Soon enough the green landscape will give way to the yellow, red, orange and purple we associate with fall. The rosemary in the above containers I would call a plant for all seasons. Planted in early April, these plants have grown on and still look great, seven months later.

Cooler temperatures means the ornamental cabbage and kale are beginning to color up. The color of their leaves will continue to intensify once the temperatures are reliably below 50 degrees. The most intense color will surface after a frost. That color will be more saturated after several frosts. Gardeners have a lot to look forward to. What you see in the picture above is a pale version of the the final mile. The changes to the leaves in the ornamental cabbage and kale as a result of dropping temperatures are part of the bigger process we call fall.That visual leafy change from summer to fall is the best reason for planting containers for fall. Should the experience of every season enchant you, bring that joy home. Pots at the front or back door, or on a terrace, are a daily reminder to enjoy the season at hand.

Ornamental cabbage and kale differ from the vegetable versions in several significant ways. Ornamental varieties form large flat rosettes.  The centers of these rosettes is what will eventually show color. The outer leaves stay green. The colder it gets, the more striking the color.  It won’t hurt you to eat ornamental cabbage, but the leaves can be shockingly bitter. You are on your own with that. Cabbage for consumption eventually form heads as part of their natural cycle of growth. Cabbage grown for consumption is mild. Cabbage meant for fall pots is all about the look of the leaves.  Kale meant for consumption evokes widely differing and strong opinions. Suffice it to say not everyone loves that taste. But kale representing in fall pots is about a visual discussion of the season.    The intersection of agriculture and landscape design is my most favorite place to be. Vegetables provide food. But the history and practice of growing plants for food contributes much to the ornamental garden. One obvious example is the corn maze. The availability of fresh sweet corn is a highlight of the summer. A field of late planted, late to mature corn bred and grown for silage with a maze cut into it is an experience of the farm enjoyed by many in the fall. This ornamental form of agriculture brings visitors to farms to buy pumpkins and apples at a time when their growing season has come to a close.  Interested in more information on local harvest events open to the public?   Michigan corn mazes

There are few fall container plants as showy as the ornamental cabbages and kale, but their true strength lies in their persistence. They are not only cold tolerant, they are frost tolerant.  I have seen them endure temperatures as low as 20 degrees without harm. Clients often ask me how long a fall planting will last. Each if our four seasons lasts 3 months, give or take. I value container plantings, as they celebrate the season at hand, so I’ll take three months.

Everything in the garden is ephemeral to one degree or another. A white oak tree can survive 300 years, and the lilac bloom time in my zone is 2 weeks in a good year.  The crocus can be felled by frost the first day they open, or with cool days and nights, last a few weeks. The transitory nature of life is part of what makes it so precious. The Rosebud cabbages in the above picture were grown from seed, probably sown in late June or July. Three or four months past the germination of that seed, they look as luscious as they are robust. I expect this pot will look good throughout the fall, and into early winter.

Broom corn is a crop grown for just that reason-corn brooms. The seed is a favorite of birds.  We have to keep the garage door at the shop closed, otherwise we would be inundated by birds. But this material has interest even when the seeds are gone. The long stringy stems would persist all winter and then some. We use all sorts of materials in concert with the cabbage and kale-some natural and some not. The big idea is to represent the fall season in a satisfying way.

dyed birch branches, faux seed ball stems and Rosebud cabbage

bleached sticks, broom corn and Coral Prince cabbage

broom corn, eucalyptus, faux orange seed ball stems and Coral Queen cabbage

Himalayan white barked birch under planted with Prizm kale and creeping jenny

fall pot set in ornamental grass

pair of pots with Ruby Queen cabbage

Lemon cypress and Coral Prince cabbage

centerpiece with the kids in mind

A trio of pots are all dressed up for fall.

 

The Boston Ivy, 2017

Once a year, usually when we are at our peak of fall color, I try to write about the Boston ivy that covers a neighboring 100 foot long wall parallel, opposite, and next door to Detroit Garden Works. In the early days of the shop, that originally giant cream colored concrete block wall towering over the shop made us all squint. 5 years into our tenure, we planted 10 parthenocissus tricuspidata veitchii, spaced 10 feet apart, at the base of that wall. Not so many years later, that wall was covered with a vigorous and gorgeous vine that made the trip up our driveway as green as could be. All summer long, that vine cools this corridor leading to the front door of the store.  Despite the fact that watering the vines was always an afterthought, the leaves were invariably dense and glossy green. I am grateful that my lack of attention never impacts its performance. Few plants deliver as much and ask for so little as Boston Ivy.

This year’s fall display is the worst for a decade.  An incredibly dry summer meant the leaves on the ivy began drying up and dropping in early September. The picture above, taken today, tells the story. Large areas of this vigorous vine dropped their leaves before the cool weather arrived. An incredibly warm and lengthy late summer meant what leaves had not fallen from drought have hung on to their green color. As much as I looked forward to the spectacular fall color on this vine, nature rules the plant roost. Am I disappointed? Of course. The fall color on the Boston ivy is not just a an eagerly anticipated event, it is a happening.

From the website    Boston ivy    I  have copied and posted the following:    “Boston Ivy is a deciduous vine with bluish fruits and bright red fall foliage. A member of the grape family, Boston Ivy is commonly used as a decorative addition for buildings. This means that it is most often used to grow on sections of buildings, walls, and fences for its aesthetic beauty. The glossy dark green leaves turn bright red in the fall. Showy leaves are held late into fall or early winter. This vine does well in poor soil and can grow in shade to full sun. While technically considered an invasive plant species (originally native to Japan), Boston Ivy’s invasive tendencies are typically shortlived, as it often succumbs to native vines (such as Virginia Creeper) when dispersed out of controlled bounds. Boston Ivy has been grown everywhere from Fenway Park in Boston to Dallas, Texas. Boston Ivy is unique in how it attaches to structures and surfaces. Unlike true ivies, such as English Ivy that attach with invasive aerial rootlets that can severely weaken brick and wood structures, Boston Ivy attaches to surfaces with tendrils tipped with sticky disks. This means that that the plant effectively glues itself to structures without structurally damaging the surface. The adhesive forces are so strong that researchers with the Plant Biomechanics Group have taken notice. Because of this special quality, Boston Ivy is not only a safe addition to structures and buildings, but a wonderful energy saving plant – effectively shading buildings during the summer and allowing buildings to absorb heat during the winter thanks to its deciduous nature.” Should you have a big wall that needs some green, consider this vine.

Boston ivy asks for a big space in which to grow.  It is one of the plant world’s top contenders for vigorous vertical growth in our zone. I can attest to this. No matter variations in the fall display due to weather, this vine is a beautiful in every season. The branches are beautiful dusted with snow in the winter.  The emerging leaves in the spring are brilliantly colored.  The large glossy leaves overlap one another, completely obscuring the wall beneath it all summer long.

Boston ivy yesterday

Boston Ivy 2012

The view of the Boston ivy from the roof in 2016

fall color on the Boston ivy 2015

The Boston ivy at this moment is more green than fiery. I have my fingers crossed that the best is yet to come.

 

 

 

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The Trees In The Neighborhood

fall colorMy neighborhood is like countless others all across this country.  Rows of homes bisected by a road. It is an older neighborhood, dating back to the 1930’s. The size of the right of way trees speak to that age. The right of way?  The ROW is that strip of land between the sidewalk and the street.  In my neighborhood, the right of way is planted with trees and grass. Yes, you do see a dead tree dead ahead. Large growing shade trees, or street trees, take poorly to having their roots confined between parallel ribbons of concrete. Many of the maples on my street are in serious decline, victims of their own roots that grow round and round in between the bands of concrete, rather than having the opportunity to stretch out, and live large.  Girdling roots will eventually strangle a tree. OK, this horticulture discussion is finished.  The neighborhood trees in full fall color deserve a mention, do they not? I toured my neighborhood this morning, just to see the fall color on the trees.

fall colorIt was not in the cards for me to take a fall color trip to some more rural location.  I work most every day.  My fall color trip through the neighborhood took an hour this morning. During the summer months, the trees are a fairly uniform shade of green. In the fall, every tree represents the fall season individually. A tree tour in my neighborhood is the best in the fall. Each tree turns color on their own schedule.  Some trees go yellow for fall. Others go red.  The sugar maples are the most incredible combination of yellow, peach, orange and red imaginable. This sugar maple, just a block away from home, is beautiful, and fiery.

trees-in-fall-color-16Fall color is a phenomena not completely understood.  Day length is key to triggering fall color.  But temperature, weather and placement all play a roll. Sometimes the science has to take a back seat to the experience. The fall in Michigan is a season like no other.  The air is crisp.  The falling leaves give way from the branches of the trees, and silently waft their way to the ground. The fallen leaves crisp up, and crunch underfoot.  The sun low in the sky ignites the color.

trees-in-fall-color-17A Japanese maple in its summer green grows on to become riveting red in the fall. Good landscape design in my zone takes the fall season color into consideration. I am in favor of a landscape that thoughtfully places evergreen trees in beautiful concert with deciduous trees. Contrast in the landscape makes for a very pretty party. No season is more about contrast than the fall.

trees-in-fall-color-12the sweet gum across the street in full fall color

trees-in-fall-color-13A maple ablaze backed up by a pair of spruce

trees-in-fall-color-14Older Japanese maple decked out for fall trees-in-fall-color-10Japanese maple and burning bush glowing red

trees-in-fall-color-18fall yellow

trees-in-fall-color-4Dogwood

trees-in-fall-color-6Linden

black gum fall color
Black gum

Venus dogwood in fall colorI planted 4 Venus dogwoods in the right of way in front of my house this summer. They have beautiful fall color right now. Planting dogwoods in the right of way is a gamble. The city may dislike my choice of a ROW tree. We will see. This fall season in Michigan-incredibly beautiful. The neighborhood trees are looking really good right now. The fall gardening season is a moment to treasure. Agreed?

 

 

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The Boston Ivy 2015

fall color boston ivy (1)
A two story high concrete block wall  of a storage rental business sits right about on the west lot line of the Detroit Garden Works property. It goes on and on, and sky high, for 120 feet. When the building went up some 15 years ago, I was unhappy about that 2400 square feet of beige concrete looming over us; that industrial glare was relentless. The front door to the shop is on the east side of the building. Our front door is on the side of the building. Quirky, yes. The history of the building determined the location of our front door. We warmed up to the prospect of a main door on the side. We had the idea that the walk down the long side of the shop to our front door would be a walk through a garden, and create anticipation for the experience to come. That giant wall was threatening to do in our idea to create a garden of our outdoor space.

fall color boston ivy (2)The friendly neighbor proved amenable to me planting Boston ivy on that wall. I knew of no other plant that would grip that wall for dear life, and grow up to cover a wall of this size.  I planted a 1 gallon pot of parthenocissus tricuspidata veitchii every 12 feet- 10 plants in all. The wall swallowed them up. But I knew if I kept them watered, and had some patience, these 10 plants would clothe that entire wall in green.

the Boston Ivy 022Some 15 years later, that wall is solidly covered with Boston ivy. We don’t always remember to put the water from the hose to the roots of those 10 plants. I have never seen them protest.  All summer long, we have 2400 square feet of lustrous green.  I would also like to point out that there has been no damage to the wall whatsoever over all of those years.  Their gripping mechanism is strong enough to support lateral branches in excess of an inch in diameter, but they have not harmed the masonry. But better than that glossy green all summer is the fall color. The fall color of Boston ivy alone is enough to warrant its inclusion in the landscape.

IMG_6255Rob took some pictures for me from the roof of our building. The vines do not color up evenly, or consistently.  The 2400 square feet in October is a tapestry ranging from green to olive, from peach to yellow, with dashes of flame red and cream. That wall is a fall garden story of astonishing size that goes on for weeks.  From start to finish, the Boston Ivy fall display spans 60 days.

IMG_6254Rob’s view from the roof tells the entire story. Though we have on occasion had a lateral branch detached in high winds, the gap fills in within a blink of an eye. Boston ivy is a more than willing grower. Willing, in our case, is a big plus. Should you grow it on a house with windows, be prepared to prune, and prune again. This giant concrete wall is a garden. How these vines have covered this wall is as delightful as it is miraculous. The most miraculous moment comes that one week in the fall when this wall is fiery gorgeous.

the Boston Ivy 027This concrete wall is spectacular right now, in a way I never really imagined.  I just took the first step. I put the plants in the ground, and watered. The ivy did the rest. This simple story is like any story waiting to be written about a landscape.  Plant some trees. Plant some shrubs. Plant some perennials, and a raft of bulbs.  Look after them. What grows will delight you.

October 29 2015 116the wall in late OctoberOctober 29 2015 115Our gloriette looks so beautiful with the Boston Ivy behind it. The fall is a favorite season of mine. There is so much color that comes courtesy of nature. How I love this late season moment.  How appropriate that the end of the gardening season is attended by so much fiery color and fan fare.

fall color boston ivy (3)The Boston ivy leaves will fade, and eventually fall. Their fruits are their brilliantly blue. The first frost will blacken these fruits.  But for now, I am enjoying all the color.  I have written about the Boston ivy every year for the 7 years I have been writing this blog.  Interested in how these vines looked in 2009?  Click on!

http://deborahsilver.com/parthenocissus-tricuspidata/