Tree Service Bristol

Frequently Asked Questions About Tree Services

Why do tree roots grow above ground?

Tree roots growing above ground, also known as surface roots, can be caused by:

• Shallow Soil: In areas with thin or compacted soil, roots may not be able to penetrate deeply and instead grow near the surface.
• Soil Compaction: Heavy foot traffic, construction activities, or vehicles can compact the soil, making it difficult for roots to grow downward.
• Low Oxygen Levels: Roots need oxygen to survive, and in poorly drained or compacted soil, they may grow near the surface to access more oxygen.
• Seeking Nutrients: Roots may grow towards areas with higher nutrient concentrations, which can be near the surface in some cases.
• Tree Species: Some tree species are naturally prone to surface roots, such as maples, willows, and poplars.
• Age: As trees age, their root systems expand, and some roots may naturally grow closer to the surface.

Surface roots can pose tripping hazards, damage sidewalks or driveways, and interfere with mowing. Addressing underlying issues like soil compaction or drainage can help prevent excessive surface root growth.

Do tree roots grow towards water?

While tree roots do grow towards moisture, it's not a simple case of them actively seeking out water sources. Roots grow in all directions, but they grow more rapidly and extensively in areas where they encounter favorable conditions, including moisture.
Roots have specialized cells called 'root hairs' that absorb water and nutrients from the soil. These root hairs are more abundant in moist soil, so roots naturally extend more in those areas. However, roots also need oxygen to survive, so they will not grow into waterlogged soil. The direction of root growth is influenced by a combination of factors, including moisture, oxygen availability, soil nutrients, and the tree's overall health.

Is it OK to cut tree roots?

Cutting tree roots can be necessary in some situations, but it should always be done with caution and preferably under the guidance of a certified arborist.
**When it's OK to cut roots:**

• Small roots: Cutting small, superficial roots during landscaping or gardening is usually not a significant problem for the tree.
• Encroaching roots: Roots growing into sidewalks, driveways, or foundations may need to be cut back. However, it's essential to do this carefully to avoid damaging the tree's structural integrity.
• Root pruning for transplanting: Before transplanting a tree, root pruning is done to encourage new root growth within a smaller area, making the transplanting process more successful.

**Risks of cutting tree roots:**

• Tree instability: Cutting large structural roots can weaken the tree's support system, making it more susceptible to windthrow or breakage.
• Disease entry: Cuts create wounds that can serve as entry points for disease-causing organisms.
• Reduced nutrient and water uptake: Cutting roots can limit the tree's ability to absorb water and nutrients from the soil.

Before cutting any significant tree roots, consult with a certified arborist to assess the situation, determine the best course of action, and minimize the risk of damage to the tree.

What is the difference between tree trimming and tree pruning?

While the terms 'tree trimming' and 'tree pruning' are often used interchangeably, there is a subtle difference:
Tree Trimming: Primarily focuses on improving a tree's appearance. It involves selectively removing branches to shape the tree, remove dead or diseased branches, and improve clearance for structures or utilities.
Tree Pruning: Focuses on maintaining or improving the tree's health and structure. It involves removing dead, diseased, or damaged branches to prevent the spread of disease, encourage new growth, and improve the tree's overall vigor.
In practice, trimming and pruning often overlap, and a skilled arborist will usually combine both techniques to achieve the desired results for your trees.