First Trees To Arrive In Ireland

Our glaciers retreated and melted roughly 12,000 to 10,000 years ago.

Our landscape was initially tundra before developing into woodlands as the climate warmed.

These are the first trees to arrive in Ireland. They were hardy species; and arrived via land bridges, or as wind-blown seeds :)
 

Juniper  (one of the earliest, often colonizing meadows)
Willow  (dwarf willow appeared early, followed by taller willows)
Downy Birch  (key pioneer species that rapidly colonized the landscape)
Hazel  (arrived shortly after the initial pioneers and became dominant 9,000–8,500 years ago)
Scots Pine  (widespread in the west)
Sessile Oak
Pedunculate Oak
Wych Elm  (liked fertile soils)
Alder  (spread later, liked wetlands)
Rowan/Mountain Ash

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