← All guides · Planting · Updated September 2026

Autumn bare-root hedge planting on the Dover coast.

Bare-root hedging is the most practical and cost-effective way to plant a new hedge on this stretch of coast. But the November-to-March planting window coincides exactly with the period of peak Channel gales, and that changes what you need to do at each exposure level.

Why bare-root suits the chalk coast

Container-grown stock is available year-round, but bare-root plants have a genuine advantage on the St Margaret's chalk. Because they are field-grown and lifted dormant, the root system is well-developed relative to the stem, which means less transplant shock and faster grip in shallow, fast-draining chalk ground. They are also significantly cheaper per metre of hedge than container alternatives, which matters when you are planting a full clifftop boundary from scratch. UK hedging specialists including Best4hedging note that bare-root plants give a substantial root system compared with pot-grown equivalents of the same size, which is exactly the characteristic you want in chalk that dries quickly.

The chalk at clifftop level around St Margaret's Bay and along the South Foreland coast is often shallow over the bedrock, with little moisture-retention capacity. A bare-root plant with a well-spread root system has a better chance of finding available moisture in that profile than a pot-grown plant whose root ball sits in compost of a completely different texture to the surrounding chalk. For a full walkthrough of how chalk affects soil preparation and mulching choices, see our chalk-soil hedge establishment guide.

The planting window at this latitude

The bare-root season runs from November through to late February or early March, once deciduous plants have dropped their leaves and entered dormancy. The ideal planting months are November and December, when the soil is still carrying some warmth from summer, roots can begin to establish immediately in the ground even though top growth is dormant, and the harshest winter frosts have not yet arrived. January planting is fine if the ground is workable. February is the last comfortable month; by early March the plants are beginning to break dormancy and any check at that point costs a full growing season.

On the clifftop and at Bay level, the Channel is at its stormiest through November, December and January. That does not mean you cannot plant, it means you plant into a settled window of several days of lighter weather rather than the day before a south-westerly forecast. Watch the Dover Strait forecast and aim for periods when wind speeds are below 25 mph for the three to four days immediately after planting: the roots need that window to make initial contact with the soil before the hedge line starts loading against the stake.

Ground preparation

The RHS recommends preparing the planting trench to a width and depth that allows roots to spread naturally without bending or cramping. On chalk, that typically means loosening the subsoil below the trench base with a fork even if you are not removing it, because chalk can form a compacted pan that new roots cannot easily penetrate. Dig a trench 45-60 cm wide and at least 30 cm deep along the intended hedge line. Where the chalk bedrock sits very close to the surface, as it often does on the exposed clifftop south of St Margaret's at Cliffe village, work in a good volume of well-rotted organic matter or garden compost to build some moisture retention into the planting zone. You are not trying to change the soil type, just giving new roots something to grip into while the chalk establishes as the permanent growing medium.

Clear the trench line of any existing grass, weeds or woody debris before digging. October is the right time to do that clearance, the main nesting season (1 March to 31 August, as given in GOV.UK guidance) has ended. The Wildlife and Countryside Act 1981, section 1, sets no calendar dates and protects any nest in use or being built, so check existing cover for nests before cutting or clearing it. Birds start prospecting nesting sites from late February onwards, so clearance near existing cover is best completed before then.

Planting step by step

Space bare-root plants 30-45 cm apart in a single row for most structural hedge species. For a denser hedge from the start, a staggered double row with 30 cm between rows and 40 cm staggered spacing gives a fuller baseline in the first few seasons, which is worth considering on clifftop sites where the hedge is doing structural wind-filtering work from the outset. Best4hedging's planting guide recommends cutting plants back by roughly one-third at planting to encourage bushy growth from the base rather than a tall, thin stem that rocks in wind: this is especially important for exposed clifftop hedges where a dense, low base is what you need to build from.

Set each plant at the same depth it was grown in the nursery: a faint soil mark or colour change on the stem shows the original soil level. Backfill in two stages, firming gently with your foot at the halfway point to eliminate air pockets around the roots, then again at the top. Water each plant thoroughly immediately after planting even in wet autumn weather, to settle the chalk around the roots and ensure full root contact.

Wind protection on the clifftop and at Bay level

A newly planted bare-root hedge on the clifftop has zero grip in the first few weeks and can simply rock out of the chalk in a hard gale before the roots have knitted in. Every plant in a clifftop or Bay-level hedge line should be staked on planting: a single low stake angled into the prevailing wind is enough, with a proper rubber tie rather than string, which can cut into the stem as it thickens. Check stakes and ties after each significant blow in the first winter and re-firm anything that has worked loose.

For new plantings right on the clifftop or the seaward side of Bay-level gardens, a length of fine-mesh windbreak netting on the weather side of the planted row buys critical shelter during the establishment phase. Fix it to temporary posts at roughly two metres height, positioned a few metres upwind of the new hedge line. It acts as a permeable filter rather than a solid barrier, which is what you need: a solid barrier creates turbulence on its lee side that can be as damaging as the direct wind. Once the hedge itself reaches 60-70 cm and has had a full growing season, the netting has done its job and can come down. For the principles behind how permeable windbreaks reduce wind speed on their leeward side, our windbreak hedge design guide covers the geometry in detail.

Watering and aftercare on chalk

The standard advice that bare-root hedges need minimal watering in winter is written for clay and loam soils that retain moisture. Chalk is different. Even in November, a week of dry easterly wind at clifftop level can dry the surface chalk to dust while leaving the deeper subsoil damp. New roots in that surface zone can desiccate faster than you expect. Check the soil moisture around new plantings every ten to fourteen days through the first winter, and water whenever the top 10 cm is dry to the touch. Once the plants break dormancy in March and start putting on growth, water once a week in any dry spell through the first growing season: this is the highest-risk period for chalk-soil planting.

A mulch layer of 5-8 cm of organic material (bark chips, wood chip, garden compost) or horticultural grit laid along the planting strip after planting retains soil moisture, suppresses weeds and insulates the chalk against sharp frost-and-thaw cycles. On the clifftop, grit or fine gravel mulch holds better in wind than light bark chip, which can blow off an exposed hedge line. For the specific first-winter aftercare steps that follow planting, including how to check and firm frost-lifted plants, how to erect a temporary netting windbreak on exposed clifftop sites and which tender species need fleece protection, see our first-winter coastal hedge protection guide.

Species choice at each exposure level

Not all bare-root species are equally suitable at each exposure level. On the clifftop and at Bay level, the reliable bare-root choices in the salt-wind-tolerant range are English yew, holly, holm oak, griselinia, escallonia and tamarisk for the seaward windbreak row, and common hawthorn is the strongest native option for exposed clifftop positions, with genuine salt-wind tolerance and outstanding wildlife value. For the village or inland position, the range widens considerably: bare-root beech and hornbeam both establish well on chalk and give excellent results once away from direct Channel wind. For the full species-by-exposure breakdown including which native and ornamental species work at each level, our salt-wind resilient species guide covers the choices in detail.

Video guide: planting bare-root hedging

Best4hedging, a UK-based hedging specialist, has published a short step-by-step video on the full bare-root planting process at How to plant a bare root hedge (YouTube). The video covers how to unpack and heel in bare-root stock on delivery, how to prepare the planting trench, the correct planting depth and firming technique, and initial aftercare. The principles apply directly to the St Margaret's and Dover coast context, adjusted for the faster-draining chalk conditions described above.

Sources: Best4hedging, How to plant a bare root hedge (YouTube); Best4hedging, A Guide to Bare-Root Hedging and How to Plant; RHS, Hedges: Planting Guide; Wildlife and Countryside Act 1981, section 1 (nesting season, 1 March to 31 August).