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Archives for April 2019

A Blast From The Past

Anyone familiar with my garden knows I am a fan of evergreen plants. That makes sense. I live in a gardening zone notorious for its lengthy off season. Not only are our winters long, but our early spring and late fall can also be cold and anything but green. So I grow yews, and arborvitae, and of course, boxwood. A landscape that has something to say all year round is a good landscape. I would say the signs of spring probably presented themselves seriously a week ago or so.  The maples in the tree lawn are dusted with their chartreuse blooms. The grass began greening up. The hydrangeas in the foreground of the picture about are just beginning to leaf out. My large concrete pots are more visually important now than they will be at any other time during the season. They are beautiful, just so. unplanted. But the front yard landscape at this moment is really all about the boxwood. It is green and robust in much the same way it has been all winter.

The boxwood is quick to shed its winter coloration, as are the arborvitae, yews, and the old spruce in the background of the above picture.  I never tire of any of the evergreens, as the weather from one event to the next changes their appearance. The surfaces of the evergreens shimmering with rain drops in the spring is as beautiful as those same surfaces hatted by leaves in the fall, and snow in the winter. They are a crucial part of my landscape.

The role they play is never easier to see than it is now.  I can walk between the pruned and leafless hydrangeas, and see what a prominent role they play in the landscape. And I can even more appreciate the longevity of that service. Most of my boxwood at least 15 years old.

But cultivating evergreens in very cold climates comes with a price. The street side of my boxwood paints a different picture.  Extremely cold and windy winters can damage them. It is important to water evergreens well before winter. Once the ground freezes, the roots will have no opportunity to absorb water again until spring. Needled evergreens present very little surface area to the elements. That structure helps them to naturally conserve moisture over the winter. Though boxwood leaves are small, they are much more broad and thin compared to evergreen needles.  Extremely cold and windy weather can can quickly desiccate the leaves. If you have ever had a cut boxwood wreath on your front door for the holidays, you are aware of how incredibly long cut boxwood branches stay green. The same is true for cut evergreen boughs, or Christmas trees. This damage I am seeing now occurred months ago. The return of the warmer weather is revealing the result of terribly cold weather we had the end of January.

The polar vortex which occurred in January of 2019 is again part of the conversation. The intense cold that gripped a significant portion of the northern midsection of the US set records for cold and wind chills in a number places. I do know what I was doing then. I stayed at home, and only let the dogs out for a few minutes at a time. It was the coldest recorded winter temperature event for Chicago in 25 years.

From Wikipedia   “In late January 2019, a severe cold wave caused by a weakened jet stream around the Arctic polar vortex[3] hit the Midwestern United States and Eastern Canada, killing at least 22 people.[1][2] It came after a winter storm brought up to 13 inches (33 cm) of snow in some regions from January 27–29, and brought the coldest temperatures in over 20 years to most locations in the affected region, including some all-time record lows.[1][4] In early February, the polar vortex moved west,[5] and became locked over Western Canada and the Western United States.[6] As a result, February 2019 was among the coldest and snowiest on record in these regions. In early March, the cold once again shifted east, breaking records in many areas.[7] In mid-March, the cold wave finally retreated, but combined with above-average temperatures, precipitation, and a deep snowpack, widespread flooding ensued in the Central US.” Yes, it was a vicious weather event.

The impact of that extremely cold weather is beginning to be seen. I was faint with surprise when I saw the entire top of this picea mucrunata was dead. If you look up the phrase  “top of my spruce is dead”, most articles cite winter winds and extreme cold first. I see no eveidence of disease or insect damage. Could the polar vortex be to blame?

Of course the time to think about safeguarding evergreens from winter damage is in the fall. I have never seen damage on the boxwood cultivar “Winter Gem”. I plant it extensively now. I rarely plant “Green Velvet” anymore, which is the cultivar I have at home. Thankfully it rarely gets any damage, as I live in a neighborhood where the wind is broken by multiple buildings that surround my landscape, and the sun is tempered by large trees. I have never seen winter damage on boxwood that has been sprayed to the dripping point with VaporGard in the fall. A dry day when the daytime temperature is above 50 produces optimum coverage. Later in the fall, a windbreak of burlap can help. I would have never thought to protect my spruce, but maybe I should. A last bit about the boxwood.  Given the extreme cold we have had in the past years, the price of boxwood has skyrocketed. Replacing my damaged boxwood will be very expensive. Hopefully I will remember this day come the fall.

On a positive note, the below freezing temperatures and snow forecast for this past weekend never materialized. I am pleased to report my magnolia stellata is still in full bloom.

Posted on: April 29, 2019 24 Comments
Filed Under: Weather, Deborah Silver and Co Inc, garden maintenance, Woody Plants Tagged With: ,

The Cloister Style Pergola, Part Two

You may not have read in November of last year a post about a landscape renovation that we have had underway since June of 2018. A part of this project in process involves the design and fabrication of a large scale cloister style pergola. The story behind the design and fabrication? Click here for the details.   the design and fabrication of a steel cloister The 2018 story concluded with that moment when 18 tons of steel sections and parts finally made their way to the site for installation. Of note was the fact that wet weather necessitated building a road back to the installation site. A structure of this size had to be assembled on site, so Buck engineered it to be put together and set up one section at a time. Just before Thanksgiving, a large boom crane moved in for the duration, as each section of the structure would be far too heavy to maneuver by hand.

It was slow going. The weather was bitterly cold and muddy. The finished size of this structure is 47 feet long by 36′ wide. I have no idea how many pieces there were in total, but there were enough to call the installation of this pergola a puzzle of enormous size. To make every section line up perfectly so it could be bolted to the previous section was daunting. The process made my eyes water.

Eventually the structure took shape. Seeing it go up was an experience like no other I have ever had as a designer. The model I built my client was the size of a piece of copy paper- 8.5″ by 11″. Of course the model did not at all describe the actual structure that was to enclose 1700 square feet. The model was a not so accurate expression of a structure as it was an attempt to express an idea of the landscape shot through with romance. What?? Romance is my middle name. Ha. As much as I admire classic French landscapes for their edited expression, and coolly compelling geometry, Italian gardens and landscapes have that element of romance that I find irresistible. As for this steel cloister, suffice it to say the design is as more about my client and her love of the garden than anything else. Though I had spent hours going over every proportion and detail, at some point I had to commit to a design. And a presentation of that design to my client. In May of last year, she decided to go ahead and build.

Cloister? In its simplest form, a cloister is a covered walkway. This structure has a six foot wide walkway all the way around the perimeter. That walkway is covered by roof panels constructed in an open and elongated diamond pattern. The cover will provide some shade, but will permit light and rain to come through. That pattern is repeated on the fascia panels at the top. There are 32 round columns, each of which is bolted to a concrete foundation that goes 42″ deep into the ground. Between each pair of columns is a pair of curved steel brackets. This curved detail compliments the roundness of the columns, and the solid steel spheres that ornament the structure.

Buck’s first drawing of the cloister showed square columns. The look on his face when I told him that I wanted round columns was an unmistakable sign that I was asking for the moon.  After he explained that engineering flat surfaces to perfectly line up and be attached to a curved surface would be just about impossible, I paused. The roof and fascia panels would be built from round rod, and each panel would feature steel spheres. The round columns would be essential in giving a structure of this size a graceful appearance. The architecture of this stately old home was not asking for an industrial look. Please? He relented.

Buck did a superb job of engineering, and his group did an equally fine job of fabricating. My client took this photograph and the following one after a snow storm this past winter. I was delighted to see how the snow outlined and described every detail of the structure. It will be a feature of the landscape every season of the year. As planned, the cover over the walkway was permeable to both light and water. In the immediate foreground of this picture is the roof of a very simple version of the cloister over the dining and grilling terrace that is directly adjacent to the house.

The snow made it easier to see the long diamonds and dots pattern on the roof, fascia panels, and the main entrances into the space.

Now that the long winter is over, we are back on the project. I have every confidence that come late May, this landscape will be ready for her to enjoy. We have little to do in the interior of the pergola. Bringing up the soil level to grade, planting the roses, installing the edger strip and grass is about it. The irrigation in this area is underway, and the tile for the fountain pool is due in May first.

This was the first time I had seen the completed structure since the work began. I was thrilled with how it looked. And incredibly appreciative to have a client who made it possible. Their are limestone stepping stones yet to come. I had the roses custom grown several years ago. Dan and David have been growing them on, so we would have plants of some size from the beginning. The furniture and pots for this area have been in storage at our landscape building since last September. Though I will probably post about this project again when the landscape is complete, this is a very special moment for my entire group. The best part?  Our client is pleased.


In the homestretch now.

Posted on: April 22, 2019 10 Comments
Filed Under: Deborah Silver and Co Inc, The Branch Studio, Garden Ornament Tagged With: , , , , ,

A Spring Mix

We plant loads of containers in April in celebration of the spring season. The length, depth, and breadth of that planting is informed and driven by those materials available that can tolerate the chill. Farmed twigs are shipped to us in early spring and late fall. They provide mass, volume and height to our container arrangements at a time when the spring season is just beginning.   I cannot express how intrigued I was, given a recent and unexpected gift of 50 stems of a new variety of pussy willow. P sent them unannounced, and I was pleased to get them. How gorgeous are these twigs? The white, gray and black catkins are quite unlike any pussy willow I know of. This variation was observed in their field, and the decision was made to propagate the plant. They sent me all of the rest of the stems they had available – 200 – with a promise there would be more available next year.

In asking for a potential name for this new cultivar, they adopted Rob’s suggestion. Spring Velvet it is. Aptly named, I think. My suggestion of Spring Sensation was the first thing that came to mind when I saw them. It is so rare that a new plant or cultivar becomes available for early spring containers. That small group of plants (I do include the cut stems of willow and dogwood in that group) that can handle the very early spring weather becomes larger as the weather moderates. April 1, my planting options were limited to twigs and cold grown pansies-provided the night temperatures did not dip below 24 degrees or so. Now, given that is April 15th, we will be able to expand our palette of plants.

Those first plantings rely on the mix, meaning the mix of colors. I would not have thought that merlot colored pansies would work well with pink wing violas and lavender pansies, but this mix turned out to be surprisingly lively. Does the variegated Algerian ivy get its leaves singed when night temperatures go too low-yes. But the risk is low enough to warrant planting them, and hoping for the best. This planter is on a covered porch, with walls on three sides. The Janet Craig dracaenas we plant here for the summer stay beautiful long into the fall.  As for the faux picks, I like what they add to the mix. Green fuzz ball picks and white deco ball stems are graphic and sculptural. They are also whimsical.

This series of boxes feature the straight and vertical stems of copper willow, and the horizontal layer of pansies. The faux grass picks add a transitional layer that softens that intersection between the copper willow and those pansies. Though the faux grass is faux, they have a relaxed look that is not only believable-it is welcome. Faux grasses have progressed from a stiff and painfully obvious imitation to a graceful and charming representation of what is to come. The signs of spring are still subtle here. Hardy ornamental grasses in my zone will just be waking up the beginning of June. These boxes speak to spring in a brash and sassy way.

This container features a tree hydrangea which we overwintered inside our unheated landscape building. It will be a while before there are leaves. The process of watching this shrub leaf out is an experience of spring not to be missed.  Three cultivars of pansies with closely related color make for a mix that is visually interesting.

Mixing colors is a way of making familiar materials seem fresh.  Once this planting grows in, it will be easier to see that the color in the pots is related to, but different from the pansies in the ground.

This contemporary spring planting features a color palette notable for its strong contrast.

This pot is entirely planted with lavender shades pansy.  The color variation is built into the cultivar. The night temperatures had improved sufficiently to permit adding white annual phlox and alyssum to the pansies. All around the contemporary centerpiece-lettuce. The faux grass is very short stemmed and droopy. The paddles are sections of palm leaves that are dried.

This box is in a very protected location. The birds nest ferns will readily handle the chill. The rest of the box is planted with white pansies and alyssum. The texture of the alyssum will soon provide a frothy foil to the broad leaves of the ferns.

The pansies we carry are sown in October, and overwintered in unheated tunnel houses. It makes sense that our grower has selected varieties that are well adapted to, and thrive under these conditions.  Though there are a finite number of pansy and viola cultivars, there are lots of ways in which those cultivars can be combined to achieve a distinctive look.  This client likes bold color, and strong contrast.

The plants in this box are pastel and pale in color. Once the phlox gets growing, the box will have a volume better proportioned to the size of the box. Looking over pictures of some of the pots we planted last week, they are indeed remarkably different from one another. It is a pleasure to have something to plant in early spring.

This basket is Rob’s planting.

 

Not only do spring containers represent a preview of what is to come in the landscape and garden, they will just be hitting their glorious best at the end of May and on into June.

Posted on: April 15, 2019 18 Comments
Filed Under: Deborah Silver and Co Inc, container planting, Detroit Garden Works, Spring Tagged With: , ,

April 2, 2019

What was noteworthy about this past Tuesday, the second of April? We planted containers and flower beds at 5095 for spring, 3 weeks earlier than last year. Our first spring planting. The morning was decidedly chilly, but the afternoon was sunny and warm. I could not have been more pleased or content to be outside planting. It was great. Nor could I have been more happy that we could be outside working the beginning of April. Northern zone gardeners are stuck inside longing for another time and place- for the duration of the winter. By the end of March, I am impatient for the winter season to turn to spring. And grumpy every day that it doesn’t.

The beginning of April is not always the beginning of our spring. Last year’s April was wintry in every regard. Mountains of snow deposited over the winter had no impetus to melt. The daytime temperatures were barely above freezing. The nights were plenty cold. The weather was conducive only to ice making. Giant piles of snow transformed by freeze and thaw into ice were everywhere. We planted this project April 22 last year. Embarrassingly late, that.

That I was outdoors on a sunny day with no more than a spring jacket to keep me warm was a good day indeed. I have more to be thankful for than this. My supplier of twigs sent an outstanding collection of fresh cut branches to us. That he farms willow and pussy willow provides great scale to my spring containers. Our pansies are fall sown, and over wintered in unheated greenhouses, so they are good to go outside the moment I take delivery. A whole collection of visually persuasive faux grasses-I thank Rob for them. They provide an intermediary layer between what is tall and what is short. These pots would be rather awkward without them.

A sunny warm April day, some spring centerpieces of note, and a raft of thriving pansies is enough for this early spring day. I went home both happy and satisfied. Nothing in my garden has made itself known.  Later spring will be a symphony. At home, and on the job. So many voices – so much to see. Spring in full blast is hard to keep track of. But this earliest moment, out planting, was the gift of the early season.

This bed full of a pansy mix will sparkle all season.  Lavender shades, Delta Premium violet and white, and pansy beaconsfield mixed will shimmer. If you plan to mix varieties, 3 types provide a more even mix than 2.

This bed of pansies will thrive well into June, should my client decide to delay her summer planting. She might be tempted this year to let this spring planting mature. I for one would be much happier planting her containers for summer in June. Both the soil and the air will have warmed up by then – just what seasonal tropical plants want.

Cool Wave Berries N Cream is a spreading/trailing pansy.  It is perfect for those container plantings that ask for flowers spilling over the edge. This pansy is reputed to survive our winters with aplomb, should you decide to plant it in the ground. This urn was planted with hanging baskets of this pansy. The more mature size of the plants in the basket provide height and volume right from the start.

There are few signs of the perennial garden in this area. These spring pots provide some visual interest, in the meantime. Containers in every season can be a bridge from one garden moment to another, a landscape or garden idea tested in miniature, a laboratory for testing new plants – I do value what containers can bring to the garden.

boxes planted for spring

This long trough is my favorite of the group. The columnar lemon cypress will go on to ornament both the summer and fall planting here. Pots of Persian limes between the cypress will do the same. Yellow and violet pansies compliment the spring green. The summer green will be just as luscious.

Four large planters in the back yard are routinely planted with multi-trunked Himalayan white barked birch. We take them out of the pots in the fall, and winter them inside our landscape building. Very few woody plants are hardy over the winter in pots. With their roots above ground, they struggle to handle the extreme cold of our winters, and unexpected freeze and thaw cycles. Even though our building is unheated, it provides protection from winter wind and sun. As all of the leaves drop in the fall, they have no need for light in the winter months. The birch provide much needed scale to a rear terrace that is large, and a pair of doors from the inside that are very tall.

This is the first year I have under planted the birch for spring. On the terrace-flats of pansies and violas. The mix is lively, as I hoped it would be. Anyone who plants containers brings an idea about shape, mass, texture and color to their plantings. In this early spring container planting, color is a key element.

Mixing plants implies a brew. I like this. Who knows what nature is brewing up next, but for now this spring brew tastes great.

It was a good day.

Posted on: April 5, 2019 18 Comments
Filed Under: Spring, seasonal plants, Deborah Silver and Co Inc, container planting Tagged With: , , , ,