Homeowners usually plant holly bushes and shrubs, often called foundation plants, along a home’s foundation. The close proximity to the home’s plumbing system and structure can cause massive damage if the plants are not receiving the right amount of water and nutrients.

Do holly trees cause subsidence?

Bill replies… It is difficult to give you a definitive answer to your question Sue but, if your Holly Tree is growing quite closely to the house subsidence damage caused by the roots can occur. This usually happens during very dry summers when the roots are searching for any available water.

What is the root system like on a holly tree?

Because young hollies have both a taproot and a prolific lateral root system, they transplant easily. The taproot is a thick stalk of root that extends straight down beneath the plant to stabilize it and draw supplemental water and nutrients from deeper soil.

How do you know if tree roots are damaging Foundation?

1. Cracks in your foundation’s floor.
2. Mostly vertical cracks in your foundation’s walls.
3. Cracked or shattered windows with no other evidence of trauma.
4. Uneven door and window frames.
5. Buckling in the floor’s surface.

Which trees damage foundations?

The trees that are most damaging to house foundations include oak, ash, and poplar trees. These species have the fastest-growing, strongest, and most invasive root systems of any trees grown in residential areas. Oak trees are the most damaging trees to house foundations.

Is it bad to have trees close to house?

Typically, you do not want trees too close to your home because they can trigger many types of damage that can be pretty devastating. While trees may provide some shade for your home that can help control its temperature (in both winter and summer), trees can also cause: Severe foundation damage due to their roots.

How do you get rid of holly tree roots?

Use a spade shovel to work your way around the stump of the holly tree, creating a trench to expose the buried roots. Use a chopping ax to separate the roots from the stump. Insert a landscaping bar underneath the stump and pry upward to break any existing roots and to remove the stump from its hole.

What trees can be planted close to a house?

These include willow trees, poplars, cottonwoods, aspens, silver maples, Norway maples, and American elm trees, among others. Smaller trees with shallow roots, however, pose little risk to your home. Japanese maple trees, for instance, are safe to plant relatively close to your house.

How close to the house can a tree be?

Generally, trees should sit about 15 feet away from a house. Some large species need a little more room while smaller species can be a bit closer.

How do you get rid of tree roots under concrete?

To get rid of tree roots growing in underground pipes or under concrete, use Foaming Root Killer and Polyethelene Root Barrier Panels. Foaming Root Killer goes into your first floor toilet to clear the pipes by making roots brittle.

Article first time published on

How do I protect my foundation from tree roots?

Root barriers are installed to stop foundation damage associated with mature trees in close proximity to the structure. They are a physical barrier placed between the tree and the property in question. Root barriers are designed in consultation with our geotechnical team and arborists.

Do tree roots grow under concrete?

While tree roots normally do not penetrate solid concrete, walkways and other paved areas may buckle due to soil movement the roots generate.

Are holly tree roots invasive?

The root system of the holly does take years to become invasive. Newly sown plants traditionally do not flower or form berries until sometime between years three and five. The roots must get deep and established before flowering.

Does holly have shallow roots?

Holly shrubs have rather shallow root systems, so you do not have to dig deeply to reach the bottom of the root ball. Once the holly shrub is dug out, quickly move the shrub to its new location.

How long are holly tree roots?

Holly tree roots need to extend to a certain depth under the soil to prove a good foundation for the tree. This is especially important as the tree gets larger. With that being said, the roots of a holly tree can extend to a depth of about two feet below the soil in order to provide good support.

Which trees do not have invasive roots?

The best trees with non-invasive roots include Adams crabapple, Amur maple, pawpaw fruit tree, American hornbeam, bronze loquat, English holly, Fraser photinia, and the dwarf plum. Some of these trees are small in size and suitable for small yards while others are evergreen shade trees.

What trees can be planted close to a house UK?

Trees that are least likely to cause problems to houses are apple, plum, pear, hawthorn, rowan and birch. Pyrus calleyrana ‘Chanticleer’ is a good tree to plant near houses as its roots won’t damage foundations. In Abbey Street, Faversham, Kent. It’s planted roughly three-quarters of its height away from the building.

How much root damage can a tree take?

A larger tree can afford to lose more root mass than a smaller tree. Moderate damage is considered to be 15 to 30 percent of the total root surface. When a tree loses over 50 percent of the roots, it is only a matter of time before it weakens and dies.

Is it hard to dig up a holly bush?

Holly bushes are notoriously difficult to remove. If you leave even a piece of a root in the ground, it may re-sprout and soon you’ll have new holly bushes and potentially even more growth in different places than you started with.

How do you get rid of a holly tree?

1. Cut the tree down with a chainsaw or ax. …
2. Drill a 1/2-inch hole into the tree stump and add another hole every six inches around the stump’s perimeter. …
3. Dig the stump out of the ground with a shovel after it has started decomposing or you can use a stump puller.

How do I get rid of large holly?

Dig straight down with a shovel or spade around your holly bush. If you getting rid of your bush, dig a 12- to 16-inch circle around the base of your plant. If you are transplanting your holly, dig at least a 16-inch circle around your bush, but dig further out as you feel large clumps of roots.

How close should trees be to foundation?

Generally, a tree should be planted at least fifteen feet away from the foundation of a home. For larger, overstory species (taller than sixty feet), that distance should be increased to at least twenty feet from foundations and landscape features.

Can tree roots damage my house?

Although it is possible for tree roots to affect freestanding walls, they are far less likely to cause direct damage to house foundations as the resisting force is so much greater than anything the root can exert. … Roots can also grow into drains – again seeking moisture – but only if the pipework is damaged.

Can I cut tree roots on my property?

Under common law, a person may cut back any branch (or root) from a neighbour’s tree that overhangs or encroaches onto their property. … any branches, fruit or roots that are removed must be carefully returned to the tree owner unless they agree otherwise. all work must be carried out carefully.

Can removing a tree cause foundation problems UK?

The roots of a tree are unlikely to damage property foundations themselves as few can penetrate concrete. However a large tree will remove a considerable quantity of water from the ground and this can cause the area to dry out more than before.

Which trees have roots that grow straight down?

• White oak.
• Walnut tree.
• Hickories.
• Black gum.
• Sassafras.
• Sweet gum.
• Japanese Pagoda.
• Butternut.

How do I get rid of tree roots under my house?

1. Excavate an 18-inch deep trench along your foundation and cut any tree roots you find.
2. Install root barriers to prevent trees from sending roots under your house.
3. Remove the tree entirely.
4. Use Dichlobenil, copper sulfate, or salt-and-baking soda products to kill roots in plumbing.

Who is liable for tree root damage?

If the roots of a tree situated on a neighbour’s land have caused damage to your property, then the owner of the tree can be liable for the damage under the law of nuisance.

Can you remove a tree root without killing the tree?

How can I cut tree roots without killing the tree? Again, if you cut tree roots, there is never a guarantee that it won’t hurt or eventually kill the tree. … For the best chance of your tree surviving, consult with your local arborist before removing tree roots. Or see if your arborist can prune the roots for you.

How trees affect foundations?

Trees and other vegetation can affect moisture content considerably, leading to soil shrinkage or swelling (commonly known as heave). This can cause cracking and movement of foundations and damage to whole structures.

Can tree roots damage a well?

Consider it a deeply rooted survival instinct: Tree roots seek water. It’s what they do. So planting water-loving trees close to septic or water lines—including wells—can end up causing grief to the well-meaning homeowner intending only to add shade or otherwise improve the landscape.