Click to view trips listed by county
1991
| 06-May | National Botanic Gardens | Dublin | |
| 22-Jun | Clandeboye Estate, Bangor | Co. Down | AGM |
| 05-Oct | JFK Arboretum, New Ross | Co. Wexford |
1992
| 09-May | Mount Congreve, Kilmeaden | Co. Waterford | |
| 04-Jul | Áras an Uachtaráin | Dublin | |
| 04-Jul | Ashtown Castle, Phoenix Park | Dublin | |
| 03-Oct | Killruddery, Bray | Co. Wicklow |
1993
| 09-May | Abbey Leix Demesne | Co. Laois | |
| 17-Jul | Castlewellan Arboretum | Co. Down | |
| 17-Jul | Seaforde Gardens, Downpatrick | Co. Down | AGM |
| 18-Jul | Ballywalter Park, Newtownards | Co. Down |
1994
| 14-May | Muckross House, Killarney | Co. Kerry | |
| 14-May | Rossdohan Island, Sneem | Co. Kerry | |
| 15-May | Dereen Gardens, Lauragh | Co. Kerry | |
| 02-Jul | Birr Castle | Co. Offaly | AGM |
| 01-Oct | Glen of the Downs | Co. Wicklow |
1995
| 20-May | Ardnamona, Lough Eske | Co. Donegal | |
| 20-May | Glenveagh Castle Gardens | Co. Donegal | |
| 21-May | Baronscourt, Newtownstewart | Co. Tyrone | |
| 21-May | Brook Hall Arboretum, Derry | Co. Londonderry | |
| 01-Jul | Altamont Gardens, Tullow | Co. Carlow | AGM |
| 16-Sep | Mount Usher Gardens, Ashford | Co. Wicklow |
1996
| 25-May | Bantry House | Co. Cork | |
| 25-May | Creagh Gardens, Skibbereen | Co. Cork | |
| 25-May | Hollybrook House, Skibbereen | Co. Cork | |
| 26-May | Ashbourne House, Glounthaune | Co. Cork | |
| 26-May | Fota | Co. Cork | |
| 06-Jul | Caledon Estate | Co. Tyrone | |
| 06-Jul | Castle Leslie Estate, Glaslough | Co. Monaghan | AGM |
1997
| 05-Jul | Coolcarrigan, Naas | Co. Kildare | AGM |
| 13-Sep | Antrim Castle Gardens | Co. Antrim | |
| 13-Sep | Shane's Castle, Antrim | Co. Antrim |
1998
| 09-May | Humewood Castle, Kiltegan | Co. Wicklow | |
| 09-May | Lisnavagh, Rathvilly | Co. Carlow | |
| 10-May | Fenagh House | Co. Carlow | |
| 10-May | Monksgrange, Rathnure | Co. Wexford | |
| 13-Jun | Dunsany Castle | Co. Meath | |
| 13-Jun | Headford Demesne, Kells | Co. Meath | |
| 04-Jul | Mahee Island, Strangford Lough | Co. Down | AGM |
| 04-Jul | Ringdufferin House, Killyleagh | Co. Down | |
| 05-Jul | Clandeboye Estate, Bangor | Co. Down | |
| 05-Jul | Grey Abbey Gardens, Newtownards | Co. Down | |
| 05-Jul | Mount Stewart, Newtownards | Co. Down | |
| 05-Sep | Ballyfin Demesne, Mountrath | Co. Laois | |
| 05-Sep | Baunreagh Forest, Slieve Bloom | Co. Laois | |
| 05-Sep | Emo Court | Co. Laois |
1999
| 19-Jun | Rowallane Gardens, Saintfield | Co. Down | |
| 19-Jun | Hillsborough Gardens | Co. Down | |
| 20-Jun | Seaforde Gardens, Downpatrick | Co. Down | |
| 20-Jun | Tollymore Forest Park, Newcastle | Co. Down | |
| 17-Jul | Fernhill, Sandyford | Dublin | AGM |
| 17-Jul | Dargle Glen, Enniskerry | Co. Wicklow | |
| 17-Jul | Hollybrook House, Kilmacanogue. | Co. Wicklow | |
| 18-Sep | St. John's Wood, Lough Ree | Co. Roscommon |
2000
| 08-Apr | Mount Congreve, Kilmeaden | Co. Waterford | |
| 09-Apr | JFK Arboretum, New Ross | Co. Wexford | |
| 24-Jun | Larchfield Estate, Lisburn | Co. Down | AGM |
| 24-Jun | Guincho, Helen's Bay | Co. Down | |
| 25-Jun | Drenagh, Limavady | Co. Londonderry | |
| 25-Jun | Downhill Demesne & Mussenden Temple | Co. Londonderry | |
| 02-Sep | Powerscourt, Enniskerry | Co. Wicklow |
2001
| 09-Jun | Ballyedmond Castle, Rostrevor | Co. Down | |
| 09-Jun | Rostrevor House | Co. Down | |
| 10-Jun | Mourne Park, Kilkeel | Co. Down | |
| 10-Jun | Narrow Water, Warrenpoint | Co. Down | |
| 14-Jul | Avondale Forest Park, Rathdrum | Co. Wicklow | AGM |
| 14-Jul | Kilmacurragh Gardens, Kilbride | Co. Wicklow | |
| 01-Sep | Belvedere House, Mullingar | Co. Westmeath | |
| 01-Sep | Charleville Demesne, Tullamore | Co. Offaly |
2002
| 15-Jun | Caragh Lodge, Killorglin | Co. Kerry | |
| 15-Jun | Kells Bay Garden | Co. Kerry | |
| 16-Jun | Glanleam, Valentia Island | Co. Kerry | |
| 16-Jun | Garnish Island, Sneem | Co. Kerry | |
| 17-Jun | Dereen Gardens, Lauragh | Co. Kerry | |
| 07-Jul | Lough Fea Estate, Carrickmacross | Co. Monaghan | |
| 07-Jul | Hilton Park, Clones | Co. Monaghan | AGM |
| 14-Sep | Glendalough House, Annamoe | Co. Wicklow | |
| 14-Sep | Shelton Abbey, Arklow | Co. Wicklow |
2003
| 14-Jun | Glenstal Abbey, Murroe | Co. Limerick | |
| 14-Jun | Islanmore Garden, Croom | Co. Limerick | |
| 15-Jun | Adare Manor | Co. Limerick | |
| 15-Jun | Curraghchase Forest Park, Adare | Co. Limerick | |
| 16-Jun | Glin Castle | Co. Limerick | |
| 12-Jul | Luggala Lodge, Roundwood | Co. Wicklow | |
| 12-Jul | Ballinacor Estate, Greenane | Co. Wicklow | AGM |
| 12-Jul | Old School House, Greenane | Co. Wicklow | |
| 06-Sep | Gurteen le Poer, Kilsheelan | Co. Waterford | |
| 06-Sep | Lismore Castle Gardens | Co. Waterford | |
| 07-Sep | Marlfield House, Clonmel | Co. Tipperary | |
| 07-Sep | Knocklofty House, Clonmel | Co. Tipperary |
2004
| 12-Jun | Ashford Castle, Cong | Co. Mayo | |
| 12-Jun | Kylemore Abbey | Co. Galway | |
| 13-Jun | Cashel House Hotel, Cashel | Co. Galway | |
| 13-Jun | Ardcarraig Garden, Bushypark | Co. Galway | |
| 14-Jun | Coole Park, Gort | Co. Galway | |
| 14-Jun | Garryland Wood, Gort | Co. Galway | |
| 17-Jul | Tollymore Forest Park, Newcastle | Co. Down | |
| 17-Jul | Seaforde Gardens, Downpatrick | Co. Down | |
| 18-Jul | Castlewellan Arboretum | Co. Down | AGM |
| 04-Sep | Doneraile Court | Co. Cork | |
| 04-Sep | Anne's Grove Gardens, Castletownroche | Co. Cork | |
| 05-Sep | Glenville Park | Co. Cork | |
| 05-Sep | Castle Mary, Cloyne | Co. Cork | |
| 09-Oct | Tomnafinnogue Wood, Coolattin | Co. Wicklow | |
| 09-Oct | Huntington Castle, Clonegal | Co. Carlow |
2005
| 11-Jun | Red Hall, Ballycarry | Co. Antrim | |
| 11-Jun | Castle Dobbs, Carrickfergus | Co. Antrim | |
| 12-Jun | Mageramorne House, Larne | Co. Antrim | |
| 12-Jun | Moyola Park, Castledawson | Co. Antrim | |
| 16-Jul | Birr Castle | Co. Offaly | AGM |
| 17-Jul | Ballykilcavan, Stradbally | Co. Laois | |
| 03-Sep | Cappoquin Gardens | Co. Waterford | |
| 03-Sep | Tourin House, Cappoquin | Co. Waterford | |
| 04-Sep | Salterbridge House, Cappoquin | Co. Waterford | |
| 04-Sep | Moore Hill, Tallow | Co. Waterford | |
| 05-Sep | Curraghmore, Portlaw | Co. Waterford | |
| 29-Oct | Loughcrew Gardens, Oldcastle | Co. Meath | |
| 29-Oct | Mullaghmeen Forest, Castlepollard | Co. Westmeath |
2006
| 17-Jun | Castle Bernard, Bandon | Co. Cork | |
| 17-Jun | Manch, Ballineen | Co. Cork | |
| 17-Jun | Lisselan, Clonakilty | Co. Cork | |
| 18-Jun | Bantry House | Co. Cork | |
| 18-Jun | Ardnagashel House, Ballylickey | Co. Cork | |
| 19-Jun | Ilnacullin, Glengarriff | Co. Cork | |
| 08-Jul | National Botanic Gardens | Dublin | AGM |
| 09-Jul | Malahide Castle Gardens | Dublin | |
| 09-Jul | The Cliffs, Howth | Dublin | |
| 09-Jul | Earlscliffe and Baron's Brae, Howth | Dublin | |
| 13-Aug | Ballyfin Demesne, Mountrath | Co. Laois | |
| 16-Sep | Belvoir Park Forest | Belfast | |
| 16-Sep | Bangor Castle | Co. Down | |
| 17-Sep | Ballywalter Park, Newtownards | Co. Down | |
| 17-Sep | Woburn House, Millisle | Co. Down |
2007
| 28-Apr | Birr Castle | Co. Offaly | |
| 29-Apr | Gloster House & Gardens, Brosna | Co. Offaly | |
| 29-Apr | Castlelough House, Portroe | Co. Tipperary | |
| 17-Jun | Coolcarrigan, Naas | Co. Kildare | |
| 17-Jun | Carton Estate, Maynooth | Co. Kildare | |
| 14-Jul | Laurel Vale House, Lisburn | Co. Down | AGM |
| 14-Jul | Belfast Botanic Garden | Belfast | |
| 15-Jul | Waringstown House | Co. Down | |
| 15-Jul | Dromantine, Newry | Co. Down | |
| 08-Sep | Kilmacurragh Gardens, Kilbride | Co. Wicklow | |
| 08-Sep | Rosanna, Ashford | Co. Wicklow |
2008
| 21-Jun | Cahir Park House | Co. Tipperary | |
| 21-Jun | Glenleigh House, Clogheen | Co. Tipperary | |
| 22-Jun | Glengarra Forest, Cahir | Co. Tipperary | |
| 22-Jun | Ardsallagh House, Cashel | Co. Tipperary | |
| 19-Jul | Borris House | Co. Carlow | AGM |
| 20-Jul | Shankill Castle, Paulstown | Co. Kilkenny | |
| 20-Jul | Kilfane House, Thomastown | Co. Kilkenny | |
| 23-Aug | Lough Park, Castlepollard | Co. Westmeath | |
| 23-Aug | Tullynally, Castlepollard | Co. Westmeath | |
| 20-Sep | Florence Court, Enniskillen | Co. Fermanagh | |
| 20-Sep | Crom Estate, Newtownbutler | Co. Fermanagh | |
| 21-Sep | Colebrook, Brookeborough | Co. Fermanagh |
2009
| 13-Jun | Lough Rynn Castle, Mohill | Co. Leitrim | |
| 13-Jun | Kilronan Castle, Ballyfarnon | Co. Roscommon | |
| 14-Jun | Temple House, Ballymote | Co. Sligo | |
| 14-Jun | Markree Castle, Collooney | Co. Sligo | |
| 15-Jun | The Glen, Knocknarea | Co. Sligo | |
| 04-Jul | Charleville House, Enniskerry | Co. Wicklow | |
| 04-Jul | Dargle Glen, Enniskerry | Co. Wicklow | |
| 18-Jul | Farmleigh House, Phoenix Park | Dublin | AGM |
| 19-Jul | Luttrellstown Castle | Dublin | |
| 19-Jul | Áras an Uachtaráin | Dublin | |
| 26-Sep | Castle Ward, Downpatrick | Co. Down | |
| 26-Sep | Montalto, Ballinahinch | Co. Down | |
| 27-Sep | Clandeboye Estate, Bangor | Co. Down |
2010
| 19-Jun | Errigal Youth Hostel, Dunlewey | Co. Donegal | AGM |
| 19-Jun | Dunlewey House | Co. Donegal | |
| 20-Jun | Carrablagh House, Portsalon | Co. Donegal | |
| 20-Jun | Glebe House, Churchill | Co. Donegal | |
| 21-Jun | Glenveagh Castle | Co. Donegal | |
| 17-Jul | Gormanstown Castle | Co. Louth | |
| 17-Jul | Oldbridge House | Co. Meath | |
| 17-Jul | Killineer House, Drogheda | Co. Louth | |
| 18-Jul | Barmeath Castle, Dunleer | Co. Louth | |
| 18-Jul | Knockabbey Castle, Tallanstown | Co. Louth | |
| 21-Aug | Roundwood House, Mountrath | Co. Laois | |
| 21-Aug | Baunreagh Forest, Slieve Bloom | Co. Laois | |
| 21-Aug | Emo Court | Co. Laois | |
| 21-Aug | Glenmalire House, Ballybrittas | Co. Laois | |
| 18-Sep | Ashbourne House, Glounthaune | Co. Cork | |
| 18-Sep | University College Cork | Cork | |
| 18-Sep | Fitzgerald's Park | Cork | |
| 19-Sep | Blarney Castle | Co. Cork | |
| 19-Sep | The Gearagh, Macroom | Co. Cork | |
| 19-Sep | Carrigaphooca Castle House, Macroom | Co. Cork |
2011
| 30-Apr | Mount Congreve, Kilmeaden | Co. Waterford | |
| 11-Jun | Baronscourt, Newtownstewart | Co. Tyrone | |
| 11-Jun | Aughentaine, Fivemiletown | Co. Tyrone | |
| 12-Jun | Oakfield Park, Raphoe | Co. Donegal | |
| 12-Jun | Rash House, Omagh | Co. Tyrone | |
| 16-Jul | Strokestown Park | Co. Roscommon | |
| 16-Jul | Ballymote | Co. Roscommon | |
| 16-Jul | Castlecoote House | Co. Roscommon | |
| 17-Jul | Monivea Demesne | Co. Galway | |
| 17-Jul | Woodlawn House, Kilconnell | Co. Galway | |
| 24-Sep | JFK Arboretum, New Ross | Co. Wexford | AGM |
| 25-Sep | Woodstock, Inistioge | Co. Kilkenny | |
| 25-Sep | Mount Juliet Estate | Co. Kilkenny |
2012
| 21-Apr | Howth Castle | Dublin | |
| 21-Apr | St Anne's Park, Raheny | Dublin | |
| 22-Apr | St Stephen's Green | Dublin | |
| 22-Apr | Trinity College Botanic Garden | Dublin | |
| 16-Jun | Castle Leslie Estate, Glaslough | Co. Monaghan | |
| 16-Jun | Caledon Estate | Co. Tyrone | |
| 17-Jun | Tynan Abbey | Co. Armagh | |
| 17-Jun | Gosford Forest Park | Co. Armagh | |
| 14-Jul | Tyrellstown House | Dublin | AGM |
| 14-Jul | Hamwood House, Dunboyne | Co. Meath | |
| 15-Jul | Dunsany Castle | Co. Meath | |
| 15-Jul | Ardbraccan, Navan | Co. Meath | |
| 22-Sep | Castlemartin House, Kilcullen | Co. Kildare | |
| 22-Sep | Kildangan Stud, Monasterevin | Co. Kildare |
2013
| 20-Apr | Ringdufferin House, Killyleagh | Co. Down | |
| 20-Apr | Mahee Island, Strangford Lough | Co. Down | |
| 21-Apr | Myra Castle, Strangford | Co. Down | |
| 21-Apr | Castlewellan Forest Park | Co. Down | |
| 29-Jun | Muckross House, Killarney | Co. Kerry | |
| 29-Jun | Reenadinna Yew Wood | Co. Kerry | |
| 30-Jun | Tomies Wood, Killarney | Co. Kerry | |
| 30-Jun | Gap of Dunloe Hotel Arboretum | Co. Kerry | |
| 27-Jul | National Botanic Gardens | Dublin | AGM |
| 28-Sep | Ballynure, Grangecon | Co. Wicklow | |
| 28-Sep | Altamont Gardens | Co. Carlow | |
| 29-Sep | Thornville House, Palatine | Co. Carlow | |
| 29-Sep | Johnstown House, Bennekerry | Co. Carlow |
2014
| 26-Apr | Derrynane House | Co. Kerry | |
| 26-Apr | Kells Bay Garden | Co. Kerry | |
| 27-Apr | Austin Garden, Gearagh North | Co. Kerry | |
| 27-Apr | Dereen Gardens, Lauragh | Co. Kerry | |
| 17-May | Moyola Park, Castledawson | Co. Antrim | |
| 17-May | Shane's Castle, Antrim | Co. Antrim | |
| 18-May | Mount Stewart, Newtownards | Co. Down | |
| 16-Aug | Castle Durrow Gardens | Co. Laois | |
| 16-Aug | Heywood Gardens, Ballinakill | Co. Laois | |
| 17-Aug | Abbey Leix Desmesne | Co. Laois | |
| 17-Aug | Gash Gardens, Portlaoise | Co. Laois | |
| 17-Aug | Fruitlawn Gardens, Abbeyleix | Co. Laois | |
| 13-Sep | Avondale House, Rathdrum | Co. Wicklow | AGM |
| 13-Sep | Kilmacurragh Gardens, Kilbride | Co. Wicklow | |
| 14-Sep | Castle Howard, Avoca | Co. Wicklow | |
| 14-Sep | Glenart Castle, Avoca | Co. Wicklow |
2015
| 25-Apr | Ballyedmond Castle, Rostrevor | Co. Down | |
| 25-Apr | Rostrevor House | Co. Down | |
| 26-Apr | Seaforde Gardens, Downpatrick | Co. Down | |
| 13-Jun | Monaincha House and Abbey, Roscrea | Co. Tipperary | |
| 13-Jun | Castlelough House, Portroe | Co. Tipperary | |
| 14-Jun | Three great oaks, near Mountshannon | Co. Clare | |
| 14-Jun | Caher House, Lough Graney | Co. Clare | |
| 18-Jul | Mount Usher Gardens, Ashford | Co. Wicklow | |
| 18-Jul | Ballinacor Estate, Greenane | Co. Wicklow | |
| 19-Jul | Powerscourt, Enniskerry | Co. Wicklow | AGM |
| 12-Sep | Brook Hall Arboretum, Derry | Co. Londonderry | |
| 13-Sep | Drenagh, Limavady | Co. Londonderry |