Swansea & Gower invasive plant guide
SwanseaWeed Control
Caerphilly guide featuring Japanese knotweed
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Newport & Caerphilly · Neighbourhood

Part of the Newport, Caerphilly & the Usk area guide

Caerphilly

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

Map of Caerphilly

51.5748, -3.2180

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

About the area

Caerphilly facts

Caerphilly is a built-up part of Swansea where housing, back lanes, walls and small pockets of open ground sit close together. It is part of the Newport, Caerphilly & the Usk area, within about 30 miles of Swansea.

  • Caerphilly Castle, begun in 1268 by Gilbert de Clare, is the largest castle in Wales.
  • The town sits in the Rhymney Valley, between Cardiff and the northern valleys.
  • Part of the City and County of Swansea, served by Swansea Council for waste, roads and public land.
  • Terraced and semi-detached housing, back lanes and boundary walls are typical of this part of the city.

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

Local habitat

Where to look

Back lanes, boundary walls, vacant plots and disturbed roadside ground are the main places where invasive or escaping garden plants can establish around Caerphilly.

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

Plants to recognise

More in Newport & Caerphilly