Which hedges actually live on the Thanet salt line.
Every year I quote for replacement hedges where the last planting picked the wrong species for the position. Beech burned to brown across the top by January. Common laurel with the seaward face missing. Leylandii tip-scorched and thin. The Thanet salt wind eats generic-nursery species alive. This is the working list of what actually copes — and the fall-off maths to work out which line you're on.
The salt-spray fall-off, in numbers
Two useful thresholds. Within about 50m of the shore, you're in the worst of the direct spray zone — a gale-driven January storm can drop saline aerosols directly on foliage. Between 50m and 200m on the prevailing wind direction, salt aerosol is still measurable and matters for species choice, but a properly-established first-line hedge can drop it by 40–70%.
Prevailing wind at Margate is south-westerly for most of the year — but the town's north-and-east-facing coast means the salt-loaded onshore blasts come from the north and north-east, which is the opposite side of the compass from the prevailing. That's why you sometimes see a Cliftonville front boundary battered on what looks like the "sheltered" side of a garden: winter storms don't play by the prevailing rules.
Front line — within about 50m of the shore
Full salt-spray exposure, wind bruising, occasional December washes. This is what actually lives here:
- Griselinia littoralis — the workhorse of the Thanet seafront. Evergreen, apple-green, shrugs off salt aerosol, tolerates shallow alkaline chalk topsoil. Cuts to a formal line. If I had to recommend one plant for a Margate front-line boundary sight-unseen, this is it.
- Escallonia macrantha and cv. 'Apple Blossom' — classic Kent-coast pink-flowering evergreen. Salt-hardy, cuts formally, occasionally sulks after a hard reduction but recovers within a season.
- Olearia haastii and Olearia macrodonta — daisy bush, tough grey-green foliage, honestly salt-tolerant. Underused in Margate; you see it more in Broadstairs and Ramsgate.
- Tamarix — feathery, pink-flowering, extremely wind-tolerant. Needs annual shaping or goes leggy at the top.
- Hippophae rhamnoides (sea buckthorn) — native Kent-coast species, silver leaves, spiny, orange berries. Excellent windbreak, superb for wildlife, spreads via suckers if you let it.
- Elaeagnus × ebbingei — evergreen, salt-hardy, fast-establishing, also happy on the second line. Small silver flowers with a strong autumn scent that surprises people.
Second line — 50–200m back, behind a windbreak or in shelter
Once you're behind a first-line hedge or in the wind-shadow of a terrace, the species list widens dramatically. The shelter rule of thumb: a windbreak protects roughly 10× its height downwind. A 2m Griselinia front hedge gives useful salt shelter for about 20m behind. That's often the difference between a Cliftonville garden where these live and one where they don't.
- Pittosporum tenuifolium 'Silver Sheen' — the fashionable choice, currently everywhere in the Old Town creative-quarter gardens. Copes with Thanet if not fully exposed to N/NE blasts. Cuts to a fine, formal line.
- Euonymus japonicus — tolerates partial shade and a hard clip; the dark horse for older Cliftonville gardens where mature trees have closed the canopy.
- Cotoneaster lacteus / franchetii — semi-evergreen, wildlife-friendly berries.
- Pyracantha — spiny, thorny, security-hedge classic. Salt-tolerant behind a first line.
- Ilex aquifolium (native holly) — slow, dense, evergreen, native. Handles a bit of salt in the shelter of a terrace.
- Lonicera nitida — small-leaved, dense, formal. Good box substitute for a low knot-garden hedge in shelter.
Struggles on Thanet — what to avoid on front-of-house
None of these are terrible plants. They're just wrong for a fully-exposed Margate seafront:
- Common laurel (Prunus laurocerasus) — salt-scorches badly on exposed seafronts. Fine behind shelter.
- Beech (Fagus sylvatica) — brown leaf-burn across the top by January on exposed positions. Use hornbeam (Carpinus betulus) instead — it copes with the wind and keeps its russet winter leaves.
- Yew (Taxus baccata) — a downland classic on inland Kent chalk, but it struggles on fully exposed Thanet front-of-house positions. Fine in a sheltered Northdown or Garlinge back garden.
- Leylandii — tip-scorches on the seaward face year after year. Cheap up front, expensive to keep respectable, ugly under stress. If you want speed, use Griselinia at a decent starter size instead.
Myth-busting the coastal-nursery defaults
Nurseries selling into Kent will often push generic "coastal mix" packs — hawthorn, blackthorn, hazel — as if the whole English coast is one salt environment. It isn't. Thanet's exposure is closer to Cornwall's than to inland Kent's, and the packs don't account for that. If you're a first-line front garden in Cliftonville, that "coastal mix" will disappoint you. If you're a second-line back garden in Garlinge, it might work fine.
Which line are you on?
Send me your address or a photo of the position and I'll tell you honestly whether it's front-line, second-line or sheltered, and give you two or three species options that will actually live. hello@margatehedges.co.uk or 07763 100 477.
Sources: RHS coastal-planting guidance; Met Office Margate climate summary (H5, ~1,577 sunshine hours); working experience across Thanet-coast fleet planting jobs 2024–2026.