Garden design and tree planting

A well-executed planting scheme considers soil health, local climate, and future growth patterns to ensure your garden thrives for decades. In the UK, where weather can be unpredictable and garden space is often at a premium, professional guidance helps avoid the costly mistake of "right tree, wrong place."

What Does the Work Involve?

• Site Survey: Measuring the area, assessing light levels, and identifying existing utilities or drainage issues.
• Soil Analysis: Testing pH levels and texture to determine which species will flourish in your specific ground conditions.
• Design & Selection: Choosing species based on height, spread, seasonal interest, and privacy requirements.
• Site Preparation: Clearing existing vegetation, "grubbing out" old roots, and improving the soil with organic matter.
• Excavation: Digging planting pits (usually 2-3 times the width of the root ball) and loosening the pit walls to encourage root penetration.
• Planting & Positioning: Carefully placing the tree at the correct depth to avoid "stem girdle" or rot.
• Stabilisation: Installing stakes or underground "duckbill" anchors to support the tree while it establishes.
• Aftercare Setup: Applying mulch to retain moisture, installing rabbit guards if necessary, and setting up irrigation or "leaky pipe" systems.

Typical Costs

Prices for garden design and planting vary significantly based on the maturity of the trees selected. Larger specimen trees (instant impact) require more labour and specialist equipment than younger "whips" or saplings.

Factors that will increase the cost include poor site access (requiring manual handling), heavy clay soil that needs significant drainage work, and the need for specialist equipment like a HIAB crane for very large specimens.

How Long Does It Take?

• Initial Consultation: 1–2 hours for a site walkthrough and brief discussion.
• Design Phase: 1–2 weeks for the landscaper to produce a planting plan and quote.
• Planting Small Trees/Shrubs: 4–6 hours for a standard residential garden.
• Large Specimen Planting: 1–2 days, including site prep and heavy lifting.
• Full Garden Overhaul: 1–3 weeks depending on the scale of hard landscaping involved.

DIY or Professional?

While planting a small shrub is a manageable weekend task, larger garden design projects often require professional expertise. Professional landscapers have the machinery to move heavy root balls without damaging them and the knowledge to prevent common planting failures.

Expert Tip: If you are planting near a boundary or building, a professional can advise on root spread to prevent future structural damage or disputes with neighbours.

Furthermore, many nurseries only offer a "failure guarantee" (usually 12 months) if the tree is planted by a recognised professional. For large specimen trees costing hundreds of pounds, this insurance is invaluable.

Choosing the Right Tradesperson

• Check Qualifications: Look for memberships in the British Association of Landscape Industries (BALI) or the Association of Professional Landscapers (APL).
• Insurance: Ensure they have Public Liability insurance (minimum £2 million) to cover any damage during excavation.
• Portfolio: Ask to see photos of established projects (3-5 years old) to see how their planting designs mature.
• Questions to Ask:
  • "Do you offer a guarantee if the tree doesn't take?"
  • "Will you check for underground services before digging?"
  • "How do you plan to handle irrigation during the first summer?"
  • "Are the trees sourced from UK-provenance nurseries to reduce disease risk?"

UK Regulations

• TPOs (Tree Preservation Orders): Always check with your local planning authority before removing existing trees. It is a criminal offence to cut down a protected tree.
• Conservation Areas: If you live in a Conservation Area, you must give six weeks' notice to the council before performing significant works on trees.
• British Standard BS 8545: This is the industry standard for "Trees: from nursery to independence in the landscape." Ask your landscaper if they follow this code.
• Service Location: In the UK, homeowners are responsible for damage to underground cables or pipes. Your tradesperson should use a CAT (Cable Avoidance Tool) scanner.

Common Problems

• Planting Too Deep: This is the most common cause of tree death. The "root flare" must be visible at the soil surface to prevent rot.
• Right Tree, Wrong Place: Planting a species that will eventually outgrow its space, causing light issues or root damage to foundations.
• Poor Drainage: In heavy UK clay, planting pits can act like a "bathtub," drowning the roots. Professional landscapers will "mound plant" or install drainage.
• Lack of Aftercare: New trees require consistent watering for the first two growing seasons. Many homeowners forget this once the landscaper leaves.
• Girdling Roots: If a pot-bound tree isn't prepared correctly before planting, the roots will continue to grow in a circle, eventually strangling the tree.

Frequently Asked Questions

When is the best time of year to plant trees in the UK?

The traditional planting season is between November and March. This is when trees are dormant and "bare-root" specimens are available, which are cheaper and often establish better. However, container-grown trees can be planted year-round, provided they are watered heavily during the summer.

How much space do I need for a medium-sized tree?

This depends entirely on the species. A Rowan or Silver Birch might only need a 3-4 metre radius, whereas an Oak or Beech will eventually require 10-15 metres. Always check the "ultimate height and spread" on the plant label before committing.

Do I need planning permission to plant trees?

Generally, no. You don't need permission to plant trees on your own land. However, you should be mindful of the "Right to Light" for neighbours and ensure the roots won't interfere with public footpaths or highways.

What is 'mulching' and why is it important?

Mulching involves placing a 5-10cm layer of organic matter (like woodchips or bark) around the base of the tree. It suppresses weeds, retains soil moisture, and protects the roots from extreme temperature fluctuations common in the UK.

How often should I water my new tree?

For the first two years, a new tree needs roughly 20-40 litres of water per week during the growing season (April to September). In hot UK summers, this may need to be increased to every other day.

Can I plant a tree over a drain or sewer pipe?

It is highly discouraged. Tree roots are naturally drawn to the moisture in drains and can cause blockages or collapses. You should maintain a minimum distance of 3 metres from major pipes, or use root barrier membranes if space is tight.