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flower51_gw

unique problem

19 years ago

We are moving to a place in the country that backs up to a beautiful pond. The challenge? The property sits close to a state road. VERY BUSY w/traffic (trucks etc...) and the sounds that come with it. Our neighbors have recently cut down a mature stand of trees that helped give some shelter from the noise and view of traffic. Still we see potential and thought of putting in a naturalized woodsy garden in the front and along the side of the house to attract birds (I'd rather hear birdsong than trucks) and also shelter from the site and sounds of traffic.

The plan was to layer bushes and trees that are of the shallow root varieties since there is a well in the front yard and we don't want invasives heading for the basement. Also thought of moving some of the larger stones that are on the back property to make a low stacked stone section at the road to help cut down on sound from tires. The other challenging aspect is the gravely yard.

Right now there are red berried eunymous along one side punctuated w/a not so happy pine. Near the pine I planted oakwood hydrangea which I'm hoping will be a happy rambling cover from the side view of the road. This seems to be the only section of the frontyard w/out gravel.

THE CHALLENGE: We eagerly brought out some little seedlings the birds had planted on our old property. Plunged the shovels in and found that there is only 1 or 2 inches of soil under the grass...the rest is...gravel. Gravel coated dirt but mostly gravel.

We considered trying to shovel out as much as possible and replace it w/dirt but that seems unrealistic w/me and a shovel doing the work considering it covers most of the front yard. We decided to bring in dirt to mound on top of the yard in two "meandering" beds BUT 1. How far from the maple's roots would I need to leave open to protect the roots so the tree doesn't die? and

2. For the sake of keeping it woodsy, and green even in winter, we're thinking we'd need to put in some kind of evergreens amongst the deciduous naturalized hedge we want to put in to create a layered effect. Something that looks like it "just grew that way in a woodsy way" Wanting to do it in the least expensive way we can and yet have it come in looking lush, informal and like a planned by God natural habitat. What bushes/trees would you recommend that are shallow rooted enough that they would not threaten the well, basement or, once we get to the side and backyard area, the septic field?

We've brought in two truckloads of top soil this week, making two raised beds that surround the maple, about 5 ft from the base of the maple. Planted in the sunnier/light shade bed: emerald green thuja (will get 10-16 feet), lady in red hydrangea, henry scarlet sweetspire that has a lovely asiatic look with its freeform branching, globe thuja that spreads but stays low, oak leaf hydrangea, white rhodydendrons, lemon thyme amongst the rock border and some lillies. I still need to put something large to screen us from the road at the tip of the bed nearest the road, in both beds (to the left and right of the maple). Suggestions? Keep in mind we don't want roots invading the well or the driveway.

What else? In the shadier bed to the left of the maple I planted a red rhodendron and transplanted some lilly of the valley and prob will put in some hostas. What understory trees would you suggest that would add interest and make things look "naturalized" and yet private...and encourage birds to come by?

I've seen pictures of something called an "acer maple" that looks like a small maple that becomes bright orange/red in the fall and grows more like a bush than a tree. Are these invasive roots??? Do they need much sun? Would they provide decent shelter and be a sound barrier from the traffic or should I go for evergreens? I was thinking if I layer the bushes/trees even if there are some less dense growth patterns, the layering would help cut down the sound and view of the street.

Thanks! Terry

Comments (7)

  • 19 years ago
    last modified: 11 years ago

    A couple of general comments. The fibrous roots of the maple extend to the drip line and perhaps beyond. YOU MUST NOT PILE DIRT ON ANY PART OF THESE ROOTS IF YOU HOPE TO KEEP THE TREE. Even 4 or 5 inches may kill the tree. Also, Acer is the botanical name for the genus maple, so it's impossible to know what type of maple you're interested in.

  • 19 years ago
    last modified: 11 years ago

    If you do a search, you might find some of the earlier threads on sound barrier issues and what works and what does not work, so you can decide what you would do if sound were the priority vs. what you would do from an enjoy-your--garden standpoint.

  • 19 years ago
    last modified: 11 years ago

    Might be a vine maple you're interested in. Might not, but might be.

    You don't have a unique problem but a triple problem - highway, gravel, and underground water susceptible to root invasion.

    There is no "planned by God natural habitat" that exists within the bounds of these constraints. You will need to research what plants God and man have developed that function in each of the ways you want them to, a process you have already begun. What you need to do is investigate - via book learning, searches of this and other forums, selectively placed questions in this and other forums - what your options are. Inevitable mistakes, maybe like losing that maple whose roots you've buried, will push you further up the learning curve.

    Once you've searched through this forum for old threads involving sound barriers, you could consider posting your layout here for comment. For plant suggestions for gravel and shallow-rootedness, you might try plant-specific forums such as Trees, conifers, and shrubs.

    KarinL

  • 19 years ago
    last modified: 11 years ago

    Also I think I missed whether you have made a flower bed around a maple you currently have, or saving a space for one you plan to get--? If you have a large mature maple now, ditto the concerns about rapidly adding topsoil, plus, only certain types of things will grow among roots of large maple, & several of the things on your list I would predict to do poorly. If you do have a large maple now, search this site and also Google dry shade, planting under trees, planting under maples for ideas.

  • 19 years ago
    last modified: 11 years ago

    It sounds like a great property with lots of potential. Don't let the Maple dictate your ultimate goal. If my understanding is correct, in order to create the environment that you are searching for, sound buffer is a pretty important part of the plan. I have successfully used soil to completely buffer the sound of tires on the highway so I know it works. The challenging part is making the sound buffer look natural and not like a buried elephant. I highly recommend investing in a land planner (architect).

    I have a well in my back yard and our property is surrounded with maples and ash. The closest being 10 - 15 feet away. My house is about 45 years old; we sit on rock and so far no problems to the well or the trees. We also have an in ground 10ft deep concrete pool that has been here for about 30 years. We just did some renovations because of years of previous owners painting the pool and when emptied to redo with plaster there were no signs of Maple root damage and one of the Maples is a Silver Maple. It was 10 ft from pool and about the same from our well. We since have removed it - tooooo messy.

    Yes, lots of trees are surface rooted but some of that is caused by improper watering. You must water deep or roots will hang on the surface. If your concerns are driveway, and well damage then look into trees that are successfully used as street trees in your area.

    IMO the types of plants to use on your site is way down the list of things to be thinking about now. I highly recommend a complete site analysis, soil, micro-climate, etc. Lot's of investigating of what works in your area then the last thing you look into is the types of plants to fulfill the site analysis requirements.

    Good luck. I would love to see some pics.
    Ally

  • 19 years ago
    last modified: 11 years ago

    There is a thread a few before yours called:
    "Landscape designing question". A very intelligent designer posted a link about design, you might want to check it out.

  • 19 years ago
    last modified: 11 years ago

    The "acer maple" you are thinking of is probably the Amur maple. It is a lovely, adaptable plant hardy to zone 2, I believe. I have grown it as a shrub and have also seen it in tree form.

    Here is a link that might be useful: Amur maple