Swansea & Gower invasive plant guide
SwanseaWeed Control
Milford Haven guide featuring Wall cotoneaster
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Pembrokeshire · Coast

Part of the Haverfordwest, Tenby & the Pembrokeshire Coast area guide

Milford Haven

A practical local guide to habitats worth checking and the plants most likely to need careful identification.

Map of Milford Haven

51.7139, -5.0412

The map shows the general area only. It does not mark confirmed invasive plant sites or individual properties.

About the area

Milford Haven facts

Milford Haven is an exposed stretch of the Swansea and Gower coastline, shaped by salt wind, sand and rock. It is part of the Haverfordwest, Tenby & the Pembrokeshire Coast area, within about 30 miles of Swansea.

  • The town was founded in 1793 by Sir William Hamilton, who invited Quaker whalers from Nantucket to settle.
  • It stands on one of the world's deepest natural harbours, used by Vikings from the 790s.
  • Forms part of Swansea's coastline along the Bristol Channel, where the tidal range is among the largest in the world.
  • Cliffs, dunes and shingle here support specialised plants that cope with salt, wind and shifting sand.

General local background, kept separate from the plant guidance below.

Local habitat

Where to look

Cliffs, dunes, coast-path edges, scrub and disturbed beach approaches are the main places where invasive or escaping garden plants can establish around Milford Haven.

This is habitat guidance, not a claim that a particular property or site is infested.

Plants to recognise

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