The bare root planting season and landscape conditions
Bare root planting runs through the dormant season. Here is how that constrains landscape conditions, and how to draft and discharge one without a technical breach.
The bare root planting season in the UK runs through the dormant months, roughly November to March, and that single fact governs how landscape conditions on a planning permission should be written and when they can be discharged. Bare root stock is lifted from the nursery without soil around the roots, so it can only be moved and planted while the plant is not in active growth. Plant it in May and it dies. Councils know this, good landscape conditions allow for it, and a developer who ignores it ends up either planting at the wrong time or holding a completion certificate hostage to a condition that cannot be discharged for seven months.
The programme consequence is the point. A scheme completing in June has a planting obligation it cannot lawfully satisfy with bare root stock until the following winter, and the condition needs to say so.
Why bare root stock is planted in winter
A dormant plant has no active leaf area losing water, and its roots are not in the phase of growth that root disturbance damages most. Lifting at that point, with soil shaken off, lets a nursery move large numbers of plants economically and lets a contractor plant hedging and whips at a fraction of the cost of container stock.
The trade-off is a narrow window and a real risk of failure if the stock dries out between lifting and planting. Roots exposed to wind for an afternoon can be finished. That is why specifications require heeling in, covering and prompt planting, and why an inspection regime matters more than a species schedule.
Bare root also establishes well. A whip planted in January with a mulch ring and a season of weed control routinely outgrows a larger container specimen planted alongside it, because its root system develops in the soil it will live in rather than in a pot.
The months the season covers
November to March is the working answer for most of England, with the practical window narrowing at both ends depending on the season and the site.
| Period | Suitability | Note |
|---|---|---|
| Late October | Marginal | Leaf fall may be incomplete on some species |
| November to December | Good | Soil still warm, roots begin to establish |
| January to February | Good, weather permitting | Avoid frozen or waterlogged ground |
| Early March | Acceptable | Bud break approaching, water in after planting |
| April onwards | Unsuitable for bare root | Use container or cell-grown stock |
Two conditions stop planting inside the season. Frozen ground, because roots cannot be firmed into it and frost pockets form around them. And waterlogged ground, because planting into standing water leaves roots in anaerobic conditions. Both are reasons to pause rather than reasons to substitute species.
Container stock and the wider window
Container-grown and cell-grown stock can be planted at almost any time of year, subject to watering, and that flexibility is often used to recover a programme. It costs considerably more per plant, needs more aftercare in the first summer, and for large numbers of hedging plants it can be the difference between a viable landscape budget and an unviable one.
The sensible use of container stock is targeted: specimen trees where immediate effect matters, planting in a phase completing outside the dormant season, and replacement of failures. Specifying container stock for an entire structural planting scheme to avoid a seasonal constraint is usually a false economy, and landscape officers notice.
Where a scheme relies on planting for screening or for biodiversity, the stock type should be justified in the Landscape Strategy rather than left to the contractor's preference at tender.
Drafting a condition that respects the season
A well-drafted landscape condition ties planting to the first available planting season after a defined trigger, not to a fixed date. The usual trigger is first occupation or completion of the relevant phase.
- Require the landscape scheme, including a planting schedule with species, sizes, stock type and densities, to be submitted and approved before a stated stage.
- Require implementation in the first planting season following occupation or completion, defined by reference to the dormant season.
- Include a replacement provision: plants that die, are removed or become diseased within a stated period to be replaced in the next planting season with the same species and size.
- Specify a maintenance and establishment period, commonly five years for structural planting.
- Require confirmation of completion in writing with a schedule of what was planted where.
Point two is the one that matters here. A condition requiring planting "within three months of occupation" produces a breach whenever occupation happens in spring, and it forces either a technical breach or a section 73 application to fix drafting that was wrong from the start.
Point three protects both sides. A five year replacement provision is normal for structural planting and gives the authority a remedy without turning every failed whip into an enforcement question.
Late completion and the following season
When a phase completes in May, the practical answer is to agree the position in writing before occupation rather than after. Most landscape officers will confirm that planting will follow in the next dormant season, and some will ask for interim measures where the planting was intended as screening.
Interim measures that are usually acceptable: temporary fencing or hoarding where the planting was for screening, a bond or retention against the planting works, or container planting of the most visible elements with the bulk following in winter.
Where the planting also delivers biodiversity obligations, the timing interacts with the biodiversity gain plan and its 30-year management requirement under the Environment Act 2021 regime, and that plan is approved by the local planning authority rather than negotiated informally. Check the position for your scheme, since the requirements for majors and small sites took effect on different dates in 2024.
Watering and establishment through the first summers
Most planting failures happen in the first or second summer, not in the first winter, and the reason is almost always water. A whip planted in January has a limited root system through its first growing season, and a dry June finishes it.
What works: a mulch ring kept clear of grass for at least three years, watering through dry spells in years one and two, stakes and ties checked and removed at the right time, and protection from strimmers and rabbits. What does not work is a planting specification with no aftercare schedule attached.
Weed competition is the underrated factor. Grass growing to the stem of a young tree takes water the tree needs, and a maintained mulch ring often matters more than an irrigation regime.
Evidence for discharging the condition
Discharge is an evidence exercise, and photographs taken at the time are worth more than a letter written afterwards.
Provide the as-planted schedule cross-referenced to the approved drawing, dated photographs of each area, delivery notes or nursery certificates showing stock type and provenance where the condition requires it, and a statement of the maintenance regime in place. Where substitutions were made, list them with reasons, because a substitution discovered later looks like a breach even when it was sensible.
Programming this alongside the other seasonally constrained work on a site saves duplicated visits, and the sequencing logic is the same one that governs ecology windows, which is set out in dormouse survey season and what it costs a scheme. Browse all 66 report types on PlanScope to see which documents a scheme like yours usually needs.
This is general guidance, not legal advice. Check the position with your local planning authority or a qualified professional before relying on it. PlanScope provides AI-assisted draft reports for planning applications. Reports should be reviewed before submission. We do not guarantee planning approval.
Frequently asked questions
When is the bare root planting season?
Roughly November to March in England, while stock is dormant. Late October is marginal because leaf fall may be incomplete, and early March is workable if the plants are watered in. From April onwards bare root stock should not be planted, and container or cell-grown stock is needed instead.
Can planting be done in any weather during the season?
No. Frozen ground prevents roots being firmed in and encourages frost pockets around them, and waterlogged ground leaves roots in anaerobic conditions. Both are reasons to pause rather than to substitute species or stock type. Roots also dry out fast once lifted, so heeling in and prompt planting matter.
How should a landscape condition be worded?
Tie planting to the first available planting season following occupation or completion of the relevant phase, defined by reference to the dormant season, rather than to a fixed number of months. A condition requiring planting within three months of occupation produces a breach whenever occupation falls in spring.
What happens if a phase completes in summer?
Agree the position in writing before occupation. Most landscape officers will confirm that planting follows in the next dormant season, sometimes with interim measures where the planting was for screening: temporary hoarding, a retention against the works, or container planting of the most visible elements.
What evidence discharges a planting condition?
An as-planted schedule cross-referenced to the approved drawing, dated photographs of each area, nursery certificates or delivery notes showing stock type and provenance where required, and a statement of the maintenance regime. List any substitutions with reasons, because one discovered later looks like a breach.
Sources and further reading
This article is general guidance about the planning system in England and, where stated, the rest of the UK. It is not legal or professional advice. Check your local planning authority’s validation requirements and take professional advice for your specific site.