How to draw up a garden maintenance plan

A maintenance plan turns the design into a set of tasks, criteria and responsibilities. It is more than a calendar of cutting, watering and tidying.

The document should explain what look is to be kept, how the result is to be assessed and when a change needs approval.

A naturalistic garden, a formal space and a productive area cannot be maintained by the same logic.

Before the tasks, define what characterises the garden.

Which areas should stay formal? Where is spontaneous change accepted? Which views need to stay open? Which trees are structural?

Without these aims, the team tends to make everything uniform: it prunes every shrub the same way, cuts perennials back early and waters by routine.

The plan ties each operation to the intention of the design.

Record trees, shrubs, perennials, lawns, ground cover, productive areas, irrigation, lighting, drainage, swimming pools and other equipment.

The inventory includes species, location, planting date and relevant characteristics.

Mature trees are given their own code so that watering, staking and symptoms can be tracked.

The as-built drawings of the infrastructure are kept with the plan.

The first year has different tasks from the maintenance of a mature garden.

Watering, weeding, topping up mulch, checking stakes and replacements are more frequent.

The second year keeps a close watch during hot weather, especially on the larger trees and shrubs.

The plan should say when each area moves to a normal regime, instead of applying the same intensity indefinitely.

The plan defines who is responsible for the controller, together with zones, flow rates, inspection frequency and adjustment criteria.

It does not simply fix one run time for the year. The plan explains how to reduce or increase it according to rain, soil and growth.

Mature trees, lawn and perennials each follow their own logic.

Leaks and abnormal consumption are recorded.

Inspections look at crown, trunk, root collar, staking and soil.

Formative pruning follows aims and standards, not a compulsory annual cut.

Stakes and ties are adjusted, and removed once the tree is stable.

Work on large or hazardous trees is carried out by suitably qualified professionals.

Maintenance depends on habit and flowering season.

Not all of them should be clipped into balls. Free-growing species may need no more than renewal pruning and the removal of damaged branches.

Hedges and topiary have their own frequency, and access to work on both sides.

Pruning should preserve space and function, not continually correct a poor choice.

The plan says when to cut back, divide, stake or leave dried structures standing.

In naturalistic compositions, stems and seed heads can stay through the winter and be removed before new growth.

Weeding needs to tell planted species apart from desirable self-seeders and from invasive ones.

Photographs and maps help the team.

Mowing height and frequency depend on the type of sward and the season.

An intensively managed lawn, a flowering meadow and a low-water mix are not treated the same way.

Fertilising, aeration and weed control are applied only where planned and necessary.

Watch for compaction, erosion, settlement and organic matter.

Mulch is topped up without piling it against trunks. Aggregates are cleaned and redistributed.

Machinery movements should respect root zones and wet soil.

Applications are based on diagnosis, the product label and the law.

The plan does not include blanket preventive treatments with no indication for them.

Product, dose, area, reason and the person responsible are recorded.

Where a plant health problem is suspected, the proper procedure is followed and, where necessary, the competent authorities are contacted.

Irrigation, lighting, pumps, filters, drainage, swimming pools and ponds all have preventive maintenance.

Chambers and plant rooms stay accessible.

Seasonal tests avoid discovering faults at the time of heaviest use.

Manuals and warranties are kept with the plan.

Some tasks can be periodic: a monthly irrigation inspection, an annual clean of the chambers or a check after a storm.

Others depend on conditions: watering when the soil reaches a given state, pruning after flowering or cutting back perennials before growth starts.

The plan combines dates with criteria, avoiding a rigid calendar that ignores the weather.

It is made clear who carries out the work, who approves it and who receives alerts.

Critical problems have a reporting channel and a deadline.

Where there are several teams, the plan defines who may change the controller, apply products or decide on replacements.

Without this division, tasks are duplicated or forgotten.

Photographs, water consumption, pruning, replacements and symptoms build up a history.

Record-keeping does not need to be bureaucratic. It should make it possible to compare and to justify decisions.

A CRM or platform can link each intervention to the space and to the specimen.

The data help to review costs and improve the design.

The plan describes results: hedges of a given shape, paths kept clear, tree pits with nothing built up around the root collar, perennials giving enough cover.

It avoids vague instructions such as ‘keep tidy’ without explaining what that means.

The supervisor can then assess the service and give specific feedback.

The garden changes. Plants grow, areas close up, use shifts and the climate reveals limitations.

The plan is reviewed after the first year and at set intervals.

Tasks may decrease, increase or disappear. A solution that needs constant correction may justify a change to the design.

The document should be readable by the people who carry it out.

Maps, photographs, short sheets and a summary calendar supplement the technical report.

The client knows the level of maintenance required and the consequences of cutting tasks.

A good plan preserves the design without freezing the garden. It gives criteria for following its development and intervening only where there is a clear reason.

• Annual care calendar
• How to think about maintenance at the design stage
• How to schedule irrigation

1. European Arboricultural Standards. European Tree Planting Standard.
2. European Arboricultural Standards. European Tree Pruning Standard.
3. Diaplant’s maintenance and aftercare practice.